Thứ Tư, 8 tháng 3, 2017

Youtube daily Mar 8 2017

Children Play Fun Kitchen Games Cooking Kids!Baby Kids Learn Cooking!Wedding Tea Party

For more infomation >> Children Play Fun Kitchen Games Cooking Kids!Baby Kids Learn Cooking!Wedding Tea Party - Duration: 15:16.

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BRX PLC Interrupts - Part 4: Loose Ends - Duration: 3:14.

In the first three videos on Interrupt Service Routines - or ISRs - we set everything up

using the dashboard because it is so quick and easy.

The cool thing about the Do-more is you can configure interrupts in your ladder code so

you can configure interrupts anytime you want.

You do that with the INTCONFIG instruction.

Look you can do all the same stuff we did via the Dashboard right here.

Set up event interrupts; timer interrupts and registers matching interrupts.

Exactly what we did before, but now you can setup and change interrupts whenever you want

while the PLC is running.

And you can inhibit any individual interrupt programmatically by simply toggling the ISR's

inhibit bit.

If you want to get rid of an interrupt event – or de-configure it, just use the De-configure

instruction and tell it which event you want to de-configure.

Easy.

You can also suspend and resume all interrupts.

Suppose you have a super critical process that simply can't be interrupted.

Well, you just put a Suspend at the start of the process and a Resume at the end and

interrupts will be suspended during that time.

This is also great for when you need to check the status of something and you don't want

anything to be changing while you are doing it.

Here are some loose ends not covered in the other ISR videos and a few things that are

worth repeating.

If you right click on an ISR you can change its name, and decide if you want the ISRs

data structure to be retentive or not.

That is, should the latency, execution time al l that stuff stick around after a power

cycle of the PLC.

You can also password protect the code block … but be careful.

If you do this and you forget the password, the only way to recover is to reset the PLC

back to factory default which means you will loose everything stored in the PLC.

Also, this ISR ID is assigned by the system so you don't have to worry about it – but

it is a remember that a Do-more BRX PLC allows up to 32 ISRs so the largest you will ever

see this number is 31.

Remember that the immediate output instructions are intended for use in interrupt service

routines.

You can use them in regular programs and tasks, but it is not a good idea because they take

time away from the scan and make debugging your Ladder code more difficult since they

don't follow the normal flow of a ladder program where the inputs are read at the start

of a scan, the ladder logic is executed, and then the outputs are updated at the end of

the scan.

And finally, PLEASE remember to keep your interrupt service routine as short as possible.

Why?

Because it interrupts the scan.

And if it is too long, it can interfere with the normal flow of your process.

Well, that should be more than enough to get you up and running with Interrupts.

Hopefully you can see that the Do-more BRX PLC allows you to quickly setup simple interrupts

from a single input, all the way up to complicated interrupt triggers based on multiple inputs,

dedicated hardware timers and even high speed input counters – all of which means once

again, the BRX PLC can pretty much cover whatever your project demands.

If you have any questions about the BRX PLC please contact AutomationDirect's free award

winning support team during regular business hours.

They'll be happy to help.

And don't forget the forums.

There are lots of folks there that love to share their years of experience.

Just don't post any questions directed at AutomationDirect's support team there – they

don't monitor the forums on a regular basis.

Spend Less.

Do more.

With AutomationDirect.

For more infomation >> BRX PLC Interrupts - Part 4: Loose Ends - Duration: 3:14.

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How to Develop a Healthy Gut Ecosystem - Duration: 5:21.

"How to Develop a Healthy Gut Ecosystem"

As I've explored before, whether you're young or old,

male or female, smoker or non, high blood pressure, low blood pressure,

high cholesterol or low, having high levels of a toxic compound

called TMAO--trimethylamine oxide—

in one's blood stream is associated with a significantly higher risk

of having a heart attack, stroke, or dying over a 3 year period.

Where does TMAO come from?

The choline in foods like eggs can be turned by gut bacteria into TMAO,

which is then absorbed back into our system,

and the more eggs we eat the higher the levels climb.

Given the similarity in structure between carnitine and choline,

the same group of Cleveland Clinic researchers wondered

if carnitine, found in red meat, energy drinks, and supplements,

might also lead to TMAO production,

so they put it to the test.

If you feed someone a steak their TMAO levels shoot up.

Now this was someone who regularly ate meat.

Those who eat strictly plant-based

may start out with almost no TMAO in their system,

presumably because they're not eating any meat, eggs, or dairy,

but even if the vegan eats a sirloin almost no TMAO is made.

Why?

Presumably, they don't have steak-eating bacteria in their guts.

No TMAO is produced if you don't have TMAO producing bacteria in your gut.

If you don't regularly eat meat, then you're not fostering the growth

of the meat-eating microbes that produce TMAO.

This suggests that once we develop a plant-based gut ecosystem,

our bacteria will not produce TMAO

even if we eat meat every once in awhile.

However, we still don't know how rapidly gut bacteria shifts

after a shift in our diet,

but it does not appear to be all or nothing.

If you take men eating the standard American diet

and have them eat two sausage, egg, and cheese biscuits

before and after just 5 days of eating lots of high fat meals like that

you can boost TMAO production even higher.

So it's not just, do you have the bad bugs or not,

you can apparently breed more of them the more you feed them.

On the other hand, meat-free diets have been demonstrated

to have a profound influence on human metabolism.

You can analyze a urine sample and tell what kind of diet people eat

based on measurements like how low their TMAO levels are

in the urine of those eating egg-free vegetarian diets.

You can even take the same people and rotate them through 3 different diets

and you can tell who is who.

Who is on a high meat, low meat, or no meat diet,

in part based on the different compounds

churned out by the different gut flora or different flora activity

after just about two weeks on the different diets.

It's possible that some of the beneficial effects of whole plant foods

may be mediated by the effects they have on our gut bacteria.

At the same time, the standard American diet

may increase the relative abundance of undesirables

that produce toxic compounds including the cardiotoxicant TMAO.

Strictly plant-based diets have gained acceptance as a dietary strategy

for preventing and managing disease;

perhaps in part because of their rather unique gut flora,

less of the disease-causing bacteria and more of the protective species.

So all along we thought the reason those eating plant-based

had lower heart disease rates

was because they were eating less saturated fat and cholesterol,

but maybe their lower TMAO levels

may also be contributing to their benefits

thanks to the reduction of ingestion of carnitine and choline.

I talked about the egg industry response to the choline revelation.

How has the carnitine supplement industry reacted?

The former VP of Advocare, a multilevel marketing company

that sells carnitine supplements like "Slam"

while getting slammed with lawsuits, finding them for example

guilty of false, misleading or deceptive practices,

forced to pay over a million dollars

in response to the research implicating carnitine in TMAO production

he questioned whether there was a secret vegan conspiracy at the Cleveland Clinic.

Restricting our intake of meat or carnitine supplements

to prevent our gut bacteria from making TMAO, he argues,

"is like trying to prevent car accidents by restricting the sale of fuel."

Uh, OK, but there are benefits to transportation.

We're talking about TMAO,

which may be fueling our epidemic of heart disease,

the #1 killer of men and women in this country.

As far as I'm concerned, the more we can cut the fuel for that...

the better.

For more infomation >> How to Develop a Healthy Gut Ecosystem - Duration: 5:21.

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🎮 Baby Kitty Supermarket Manager - Best Games for Kids HD | Fun Educational Kids Games - Duration: 15:06.

Baby Kitty Supermarket Manager - Best Games for Kids HD | Fun Educational Kids Games.

For more infomation >> 🎮 Baby Kitty Supermarket Manager - Best Games for Kids HD | Fun Educational Kids Games - Duration: 15:06.

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BRX PLC Interrupts - Part 1: Quick Start - Duration: 5:50.

Interrupts are great for reacting to things when they actually happen.

Remember, normally a PLC reads the inputs, executes all of its logic and then updates

its outputs.

We call that a Scan.

So, what do you do if an input comes and goes during the scan, well, you'll miss it because

the PLC only reads at the signals the top of the scan.

Or maybe you need to respond to that signal right now and can't wait until the bottom

of the scan.

If you need to catch a fast signal or respond immediately to a signal, interrupts are the

answer.

Why?

Because once you setup the interrupt, it responds whenever the event occurs.

It literally tells the PLC to stop whatever it is doing and go do this right now.

It doesn't wait until the top of scan or the bottom of the scan to do something.

And the interrupt can occurat anytime during the scan.

And Do-more makes using interrupts really easy.

I've connected a simple pushbutton switch to input 0 on this Do-more BRX PLC so we'll

use that to trigger an interrupt.

In the dashboard I click on interrupts and let's assign event one to do respond to

this push button press.

Enable this interrupt and we want input 0 to be our trigger and let's look for the

rising edge.

We haven't defined the routine that is going to service this interrupt – we could have

done that over here if we had thought of it ahead of time – but this button right here

takes us to the exact same dialog.

Let's give it a name.

We call this an interrupt service routine, or ISR for short.

Do-more-Designer knows we want an ISR so we just hit CREATE.

The name gets automatically dropped in here and we're good to go.

This little equation says an ISR named ISR_EVENT1 will be executed when it sees the positive

going edge of X0.

It won't wait for top or bottom of scan, it will do it immediately.

Let's do a little experiment.

At the top of the scan let's clear D0, and then add a loop that increments D0 a thousand

times.

In the interrupt service routine or ISR, let's copy D0 into D1.

That will record where in the loop we were when the interrupt occurred.

Accept all of that.

Let's see – we haven't actually connected to the PLC yet, so I'll go ahead and take

care of that .. Make sure the PLC is not in run mode, and write it out to the PLC.

I'll reach over and flip the switch on the PLC to RUN and we see the PLC is running.

So, how long does it take the PLC to increment D0 a thousand times?

Well, click on INFO and we see on average it takes about 15 milliseconds to increment

D0 a thousand times.

Let's bring up a data view and monitor D0 and D1.

Remember that the data view updates at the end of each scan so all we see is D0 AFTER

it has been incremented a thousand times.

When I hit the pushbutton switch, that triggers the interrupt, D0 gets copied to D1, and we

can see where the loop counter was when the interrupt occurred.

. How fast does the interrupt respond?

The time it takes for the Do-more to react to an interrupt is what we call interrupt

latency.

And look at this - there is an ISR structure member that tells you what the latency is!

In this example it's taking the Do-more about 3 micro-seconds to react to the event.

How cool is that.

You can also see how long it takes for the ISR to run, whether it has been triggered

or not, if it is currently inhibited, how many times it has been run.

Everything you could want to know about an ISR right there.

Now remember – the ISR is literally stopping the regular scan, doing its thing then letting

the scan continue.

It's really important to keep an eye on that execution time and make sure it doesn't

take too much time away from your regular scan.

Looks like out ISR is taking this much time out of our 7.6ms loop.

That's has almost no impact on our scan time which is what we want.

Normally you just want to record something in the ISR- like we recorded the loop counter

in D1 – then do something with that in another task or program later as part of the regular

scan.

Don't let that interrupt service routine get too long.

A few other things to keep in mind about interrupts: An interrupt that triggers an event, can't

re-trigger the same event while its interrupt service routine is still running.

That event will be lost.

If an interrupt for a different event occurs while an ISR is running, then that event WILL

be processed after the current interrupt is done.

Another good reason to keep your ISR as short as possible.

Can you do anything you want in an ISR?

No.

You can't do looping, for example.

Why?

Because ISR's don't yield so the loop has to run to completion which takes a long

time so they simply aren't allowed in an ISR.

Asynchronous instructions aren't allowed in an SIR.

Why – because Asynchronous instructions require multiple scans to run and you never

know when or if an ISR is going to run.

So asynchronous instructions don't make any sense in an ISR.

You don't need to remember all of this.

Do-more designer will tell you if you try to use an instruction that doesn't work

in an ISR.

Well, that's enough for a quick intro to Interrupts in the Do-more BRX PLC.

In the remaining videos in this series will take a close look at exactly how to use the

OTHER kinds of interrupts and then cover loose ends like configuring interrupts while the

PLC is running.

And if you need any help with the BRX PLC, please contact AutomationDirect's free award

winning tech support during regular business hours.

The will be happy to help.

And don't forget the forums.

There are lots of experienced automation professionals there that love to share their years of experience.

Just don't post any questions directed at AutomationDirect's support team there, they

don't monitor the forums on a regular basis.

For more infomation >> BRX PLC Interrupts - Part 1: Quick Start - Duration: 5:50.

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BRX PLC Interrupts - Part 3: Register Matching - Duration: 5:28.

PART III Register Match Interrupts The Do-more BRX PLC has a register match option

for generating interrupts.

What does that mean?

Suppose you setup input X0 to be a high speed counter of some kind and you want to know

when the count reaches some specific number.

And you don't want to wait for the next scan to come around to find out about it when

all the regular inputs get updated because it might be too late.

Instead, you want to know about it right away so you can react accordingly.

Well, that smells like an interrupt thing – right?

And that's what this register matching interrupt option is.

You can trigger an interrupt on one of three dedicated counter/timer accumulators or one

of three output pulse counters.

Let's do a couple examples and see how this works..

Assume the counter has already been setup correctly – that's a subject for another

video.

And we want to react when that counter reaches 1234.

Create a new ISR and we want it to execute that ISR when High Speed counter timer 1 is

equal to 1234.

Hit ok and we see an equation that says, execute the ISR when this timer counter is equal to

this number.

Perfect.

In the ISR we'll set output Y3 with an immediate set command.

So we should see output Y3 turn on when the input accumulator equals 1234.

Let's do the exact same thing with function 2 but when the accumulator equals 1500 we'll

turn Y3 off.

So we're gonna need another ISR which we'll use to turn Y3 Off.

And when that same accumulator is equal to 1500 we want to execute that ISR routine.

And in that ISR we'll use an immediate Reset instruction to turn Y3 off so it will turn

off immediately and not wait for the bottom of the scan like all the other outputs.

Accept all of that.

Write it out.

And make sure the PLC is back in run mode.

I've connected one output from an encoder to input X3 on the PLC.

Here's a Dataview that shows the input counter's accumulator and its reset control.

The output we are controlling and the run counter for both ISRs so we can see how many

times they have been triggered.

I'll hit the reset to make sure the accumulator is cleared before we start.

If I rotate the encoder up to the 1234 we specified, sure enough output Y3 turns on

and we can see that the ISR ran one time.

If I keep rotating to 1500, Y3 turns off and it's ISR ran one time.

Perfect.

And again, Y3 turned on and off immediately when the input changed – it didn't wait

for bottom of scan.

Which means you now have an accurate way to react to high speed input counters and timers

without having to wait until the top of the scan.

This is really great for monitoring and reacting to high speed inputs.

You can do the same thing with high speed outputs.

Suppose you've setup a motion axis to control some piece of machinery and you want to know

exactly when that axis reaches a certain position.

Well, it's the exact same thing we just did, except you tell the interrupt service

routine to monitor the output register instead of the input accumulator.

A word of caution about this: If you think you need to react to a high speed output using

interrupts, hold that thought for a second and go take a look at the table driven output

commands.

They do the same thing BUT they run in the background in their own dedicated hardware

so they don't have any impact on the scan time and you can specify a whole sequence

or table of events to watch for and to react to.

This says when the output counter get to this value set the output and when it gets to this

value clear the output.

Etc.

You can even see a plot of the out here.

Very cool.

There are separate videos that show you how to do all of that.

The key thing to understand is the interrupt register matching method we did in this video

interrupts the scan which could affect your performance and it only responds to a single

event.

We had to create three different ISRs tjust to turn Y3 onand back off again, didn't

we?

The good news with the ISR is you can do whatever you want– set an internal bit, modify a

register, record the date, etc.

The Preset Table and Table Driven output instructions only set the one output – you can't do

things like record the date and time, manipulate other registers, and stuff like that.

So just know that you have a choice when you need to respond quickly to high speed outputs.

And when you DO need interrupts, as you can see, Do-more's interrupt system is extremely

capable and will usually be more than you could ever need.

One side note: It's tempting to use the immediate instructions everywhere – I mean,

why wait for bottom of scan for anything – right?

Well, you could do that, but it's really not a good idea.

PLCs are designed to read inputs at the start of scan, do the ladder logic, and then update

all the outputs at the end of scan.

Using immediate output instructions outside of an interrupt service routine is a good

way to get things confused and to make your code really hard to debug.

So avoid that temptation.

If you need any help with the Do-more PLC, please contact AutomationDirect's free award

winning support team during regular business hours.

They will be happy to help.

And don't forget the forums.

There are lots of automation professionals there that love to share their years of experience.

Just don't post any questions directed at automation directs support team there, they

don't monitor the forums on a regular basis.

Spend Less, Do More with AutomationDirect

For more infomation >> BRX PLC Interrupts - Part 3: Register Matching - Duration: 5:28.

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BRX PLC Interrupts - Part 2: Timer Generated - Duration: 5:20.

The Do-more BRX PLC has four built in timers you can use for interrupts.

Why is that important?

Well, Remember that a PLC reads the inputs at the top of the scan, executes its ladder

logic, then updates the outputs at the bottom of the scan.

If we toggle an output bit every scan it would look like this on most scans, but on some

scans it might take a little longer – it all depends on what the ladder logic is doing

during that particular scan.

And that's the key point – we never really know exactly when those outputs are going

to be updated.

So what if we wanted generate a regular periodic output that wasn't affected by the scan

timing?

Or what if we want to add a known delay to an output and not have it affected by the

scan time?

Well, that's where timer based interrupts and the immediate out instructions come in

handy.

Let's do an example to see how that works.

Let's setup a timed interrupt, make it recurring, with a duration of 250 microseconds, and create

a new ISR to handle that timer generated interrupt event and hit OK.

So now, every 250 microseconds – regardless of the scan time - this ISR will be executed.

In that ISR, let's toggle output Y0 so we can see it on a logic analyzer.

Notice that we're using an immediate instruction to toggle Y0.

That says set this output immediately – don't wait for the bottom of the scan when outputs

normally get updated.

Accept all of that.

Make sure the PLC is in terminal mode.

Write it to the PLC.

Switch it back to RUN mode.

If we look at Y0 on a logic analyzer we see our 250 microsecond pulses coming out.

And look how rock steady they are.

And remember – we don't have any ladder code in the main loop do we?

This runs completely independent of the normal scan.

In fact let's try that.

I've created a little ladder program that uses a timer to enable a task every millisecond

and also resets the timer's accumulator so it will start counting up again to 1 msec.

The task, just increments a register a thousand times to waste some scan time.

I'm also toggling Y1 each scan using this Scan Toggle bit which inverts every scan.

That will get updated at the bottom of each scan just like all the other normal outputs.

So we should see Y1 toggle at regular intervals, except on the scans where the task is enabled

which will make the scan take a lot longer.

Now if we look at those outputs on a logic analyzer, we can see Y1 toggles every scan

and some scans take a lot longer than others when that task gets enabled.

But Y0 – which is toggled by the interrupt timer event - toggles at regular intervals

completely independent of the scan time.

Again, exactly what we expect.

So now you have a way to generate super accurate outputs that are independent of the scan time.

How cool is that?

If you need to disable that timer interrupt, you can either use the ISR structure member

to inhibit that in code, or, just go back to the dashboard, click on interrupts and

uncheck the enable box.

That interrupt event is now disabled.

The immediate out instructions are really intended to be used in ISR's but you can

use them in your regular code if you want to.

For example, let's clear out the previous example and use the immediate instructions

in the main program to set and reset Y3.

What would happen if these were regular out instructions?

Well, since outputs don't get updated until the bottom of the scan, all we would ever

see would be the result of the reset instruction and Y3 would never change.

But in this demo we're using the immediate instructions.

Let's see what happens.

Accept all of that.

Switch to terminal mode, write the program – notice Do-more Designer is warning us

that we are using immediate instructions outside of an Interrupt Service Routine – we know

that so we hit ok.

Sure enough, we see Y3 toggle – it gets set and reset during each scan – it doesn't

wait for the bottom of the scan to get updated.

Cool.

Looks like it takes a couple microseconds to do that, but look at this - the scan takes

about 280 microseconds.

Why does the scan take so long if all we are doing is toggling a bit?

Because there's a bunch of stuff the PLC has to do at the top of a scan, including

reading all the inputs and a bunch of stuff it has to do at the bottom of the scan including

setting the outputs.

Regardless, half a millisecond for a scan?

That's pretty good.

So far we have been using the timer to generate periodic interrupt events independent of the

scan time.

Can you use the interrupt timer to generate just a single super accurate delay?

Maybe you want something to happen sometime after an event occurs and it needs to happen

right away, and not wait for the end of scan.

Easy, just use this one shot mode.

The interrupt event will trigger one at the delay time you specify.

Easy.

If you have any questions about the BRX PLC please contact AutomationDirect's free award

winning support team during regular business hours.

They'll be happy to help.

And don't forget the forums.

There are lots of folks there that love to share their years of experience.

Just don't post any questions directed at AutomationDirect's support team there – they

don't monitor the forums on a regular basis.

For more infomation >> BRX PLC Interrupts - Part 2: Timer Generated - Duration: 5:20.

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Seis Patitos - Canciones Infantiles - 6 Patitos - Duration: 27:59.

For more infomation >> Seis Patitos - Canciones Infantiles - 6 Patitos - Duration: 27:59.

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Sarah Long Bridge closer to completion - Duration: 1:55.

SPAN AND

TRAFFIC BY EARLY THIS FAL

850 DAYS DOWN, ABOUT 177 TO GO,

AND PROGRESS ON CONSTRUCTION OF

THE NEW CZAR ROW LON BRIDG.

AND TWO BEAMS THAT WILL MAKE UP

THE CENTER LIFT SPAN FLOATED IN

BY BARGE.

>> THEY WEIGH ABOUT

416,000 POUNDS A PIECE, AND THE

SIX PIECES TOGETHER WHEN FULLY

ASSEMBLED WITH ADDITIONAL

LIFTING BEAMS AND FASCIA BEAMS

WILL WEIGH AROUND

4 MILLION POUNDS.

REPORTER: THE NEW ACCESS ROAD IS

TAKING SHAPE ON THE PORTSMOUTH

SIDE.

>> THE FIRST TWO OF 15 SPANS

HAVE BEEN COMPLETED OVER MARKET

STREET IN NEW HAMPSHIRE.

REPORTER: WHAT MAKES THIS

PROJECT UNIQUE IS THAT IT A LIFT

TOWER THAT'S BUILT IN SEGMENTS,

LIKE A GIANT LEGO SET AND THAT

IT SERVES BOTH VEHICLES AND RAIL

TRAFFIC.

THE CENTER STAND WILL GO UP FOR

SHIPS AND LOWER TO CONNECT TRAIN

TRACKS BELOW.

>> I BELIEVE THAT'S THE ONLY ONE

IN NORTH AMERICA THAT OPERATES

IN A SIMILAR MANNER.

THERE IS A BRIDGE SIMILAR TO

THIS ONE IN BORDEAUX, FRANCE.

REPORTER: THE SARAH LONG WAS

MADE IN NEW HAMPSHIRE AND IS

CONSIDERED THE PRIMARY BACKUP TO

THE HIGH 95 BRIDGE.

>> THERE'S A LOT OF CHALLENGES,

IT'S A VERY COMPLICATED

STRUCTURE AND THEN WORKING IN

THIS MARINE ENVIRONMENT AND THE

WEATHER CONDITIONS, WORK, ON THE

For more infomation >> Sarah Long Bridge closer to completion - Duration: 1:55.

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🎮 TO-FU Oh SUSHI - Games For Kids in English | Fun Baby Kids Games - Duration: 7:32.

TO-FU Oh SUSHI - Games For Kids in English | Fun Baby Kids Games.

For more infomation >> 🎮 TO-FU Oh SUSHI - Games For Kids in English | Fun Baby Kids Games - Duration: 7:32.

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🎮 Healthy Eater Baby's Diet - Fun Games For Kids | Play Kids Games - Duration: 11:29.

Healthy Eater Baby's Diet - Fun Games For Kids | Play Kids Games.

For more infomation >> 🎮 Healthy Eater Baby's Diet - Fun Games For Kids | Play Kids Games - Duration: 11:29.

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70 degrees Wednesday; snow possible this weekend? - Duration: 1:09.

SUNRISE IS AT 6:40.

SCATTERED CLOUDS THROUGH THE DAY

, YOU SAW THOSE FROM JOHNNY

ROWLANDS' SHOT FROM NEWSCHOPPER

9 AND THEY WILL BE HERE THIS

AFTERNOON BUT NOT ENOUGH TO KEEP

US COLD.

WE WILL SPEND MOST OF THE DAY IN

THE 60'S AND 70'S.

WITH A STRONG SOUTHWEST WIND, UP

TO 35 MILES PER HOUR.

THIS IS A GRAPHIC YOU WILL WANT

TO LOOK AT BECAUSE IT HAS SNOW

ON IT FOR SATURDAY.

THE CHANCE OF SNOW SATURDAY

MORNING AND AFTERNOON, RAIN TO

THE SOUTH, AND I THINK BECAUSE

TEMPERATURE PROFILE SUPPORTED

CHANCE OF SNOW, MAYBE EVEN

ACCUMULATING SNOW TO THE NORTH.

THAT WINTRY MIX WE ALWAYS TALK

ABOUT, THAT IS ON THE WAY FOR

SATURDAY.

STILL TOO EARLY TO TALK ABOUT

ACCUMULATION.

I JUST WANT YOU TO PREPARE FOR

THE COLD.

For more infomation >> 70 degrees Wednesday; snow possible this weekend? - Duration: 1:09.

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Cardiff University: Accessible 3D printed microfluidic devices - Ultimaker: 3D Printing Story - Duration: 4:23.

Fluids behave quite differently at the microscale

and this enables us to do experiments that we would otherwise not be able to do

In the laboratory, at the moment we have 3 focus areas of research

which all have a common requirement for producing spherical capsules

The first is in nuclear fusion energy production

where we need small capsules for putting the nuclear fuel in

The second is where we're making protocells, or artificial cells, for studying membrane-protein interactions

and the third is where we're studying encapsulation of the stem cells to go in the spinal cord

to repair your damaged spinal cord if you've been in a car crash

A microfluidic system can be compared to a large-scale plumbing system, say in this building

but reduced in size, onto a chip

Very small tubes delivering fluids to different types of sensors and other actuators in the system

So we can design small circuits to move around small volumes of fluid

generally using techniques borrowed from the microelectronics industry

Recently, we started using 3D printing to make these microfluidic devices

and that has many benefits because it enables us to make microfluidic devices very rapidly

so we can iterate and make new designs and improve upon those designs very rapidly

It also enables us to make things cheaply

Because these printers are cheap and affordable, it's a technology that we can share with our collaborators

and bring microfluidic technology to other people and other researchers who wouldn't otherwise be using it

Traditional microfluidic techniques require very expensive equipment

and also a great deal of knowledge of how to use that equipment

So that puts a lot of people off

whereas with 3D printing, you just need to be able design it on a computer

which is fairly simple to learn

and then press a button and walk away, and then you come back and your device is ready to use

It's also beneficial that you can incorporate it with more traditional techniques quite easily

you can plug it into existing fittings that are readily available

We begin with the very simple modular building blocks; just tubings and junctions

From there, we expanded that to a wider range of different types of microfluidics

We used those different design systems to make a modular system that's based on Lego

that anyone can print out and click them together and make their own microfluidic systems

Previous researchers have discounted this type of printing because they found that it leaked

and they couldn't see through it

But by refining the print characteristics I found that if you avoid under extrusion

you can make the devices both transparent and water-tight

To avoid under extrusion, you have to print quite thin layers and you have to print quite slowly

So 50-micron layers at speeds of 30 millimeters a minute or less

The same techniques that make them water-tight also beneficially make them transparent

because the gaps in between the device are what cause you to lose transparency

We're pleased with what we've been able to achieve with 3D printing for microfluidics so far

but what we're really looking forward to is

as the diversity of the materials with which you can print expands

and the resolution of the printers improves

being able to make not just fluidic circuits, but integrate optical and electronic components also

This will enable us to print multifunctional devices from multiple materials in one single device

We're working with researchers from a range of fields around the world

and 3D printing really allows us to be able to send the design to another laboratory

We're working with people in Italy, for example

and we're able to send them designs that they can print out in their labs

conduct experiments and report back the results the very same day

It really makes the process much simpler so that everyone can access the benefits of microfluidics

The beautiful thing about 3D printing is that potentially everybody can have them

Any other walk of life, a hospital, a biological laboratory, anywhere really - everybody can use them

It democratizes the technology of making things

For more infomation >> Cardiff University: Accessible 3D printed microfluidic devices - Ultimaker: 3D Printing Story - Duration: 4:23.

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Crochet earrings with flying effect - Duration: 11:04.

Crochet friend, very welcome Handworkdiy

I want to show that today we will work

crochet earrings, as nice as these

and they are very easy to make

we will apply the technique which we saw

in another tutorial

how to crochet frilly

so we can go to apply everything

we learn in our crochet projects

It is a very pretty flower

they will be able to use anytime

we will work with threads

cotton is super thin

they can apply in the homes of wool

that can be used with crochet hook No. 3 or 1.75mm

and the same thread

we will work on both tones

in brown and green

as you are seeing here

also they need a metal ring, clip element like this

which is pressed with a clamp

Finely tip

a hook for earrings

and the second option is:

if they do not get these hooks pressure

They are sold in stores bijouterie

If they fail, they can use

2 small rings like these

the same color as the hook for earrings

I'm going to work with this applet

but I'll also explain how to work

with these metal rings

the first thing to do is cover the hoop with 1 lap Midpoint

this technique and saw another tutorial

bring the thread forward

I take the two strands

and I work the first chain

the first chain could leave and

leave the shorter strand, then we

to keep inside job

and to cover this ring, I need to knit 30 sc

but if you have a larger ring

They will weave the necessary amount of midpoints

to cover the entire metal

if it is smaller, so it does

the amount they need work

I knitted 30 sc, I was keeping the thread

inside job

we can cut if they want

I'll close on that first single crochet working at first

and I close with a slip stitch

cut green thread, because we are not going to use

first we close here

I return to work 1 air chain

and I withdraw the strand

then I'll save in the next round as I did with the other

this is already safe and well stored inside the metal ring

Now we will work with brown thread

And we work the technique of the crochet wheels

And we work the technique of the crochet wheels

I'm going to put on that last stitch that I worked

bring the strand

with 2 strands work together on January 1 chain

then let that short strand

so because we in keeping

We take them well, because we will be keeping in the work

and work 2 more in total is 3 chains chains and represent a double crochet

I'm going to put into this same

point to work 2 dc mores

And I'm working 3 dc on the same basic stitch

3 dc

I go to the next point

and 3 dc work together

in one base stitch

as they kept the strands more

short as seen here, I will continue well

to complete the entire circumference of this ring

working 3 dc in each base point

We completed all return and we will close in the first

chain to give up work

closed with a slip stitch

we weave a chain air

and I recall the thread I precut

that would be the end

here I'm going to put this element

but first I want to show

how to work these two rings

of metal, if they fail these clamp members

Finally we keep this thread

we turn work

I stand anywhere and bring the strand backwards

I repeat until firm

I stand and I bring now making a

small knot

we cut

Hence this accessory is placed and press it down with a clamp

I want to show that I took good way down, so this curve effect is achieved

I want to show how to place metal rings

we do so, we open it with the clamp

and place as follows

well, trying to reach

until the strand green

once you put on the strand green

then we place the metal ring oto

within the first ring

only then

We closed in this way, with the clamp

the metal ring

so we achieve the same effect as if we put other accessory

the hoop holds me from the green part

As in the other earring

why two rings of metal?

because the hook for the slope should be positioned me

in this way

Looking back

if I put one, the hook in this way and will not be well

so I put two rings of metal

I will now remove the metal rings

and I will show how to attach the accessory that makes pressure

We open it and remove

place the other accessory

pushing down

to green

we press

and ended with the clamp adjusting

now then we put

pendant for earrings

We opened with the clamp

Note that always, is positioned on the right side

then with the same clip, we close the hook

to ensure

we have a pair of earrings super nice and very creative

so they can enjoy

the tutorial here today, thanks as always for joining

we very soon, with many more ideas

crochet

For more infomation >> Crochet earrings with flying effect - Duration: 11:04.

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Video: Legislators hear slew of bills on opioid misuse - Duration: 1:48.

LAST

CRITICS CONTEND PAIN MEDICINE IS

BEING HANDED OUT LIKE CANDY

EMERGENCY LEGISLATION SOUGHT BY

THE STATE HEALTH DEPARTMENT WILL

PROHIBIT DOCTORS AND OTHER

PRACTIONERS FROM PRESCRIBING

PATIENT MORE THAN A SEVEN DAY

SUPPLY OF OPIOIDS.

>> I WOULD THINK THAT THE

PRESCRIBERS MAY HAVE STRONG

OPINIONS ON IT.

>> SOME OF THEM MAY AGREE SOME

OF THEM MAY THINK THEY KNOW

WHAT'S BEST FOR THEIR PATIENTS.

REPORTER: SEVEN STATES PLAC

DURATION OR QUANTITY LIMITS ON

OPIOID PRESCRIPTIONS.

ARIZONA, CONNECTICUT, MAINE,

MASSACHUSETTS, NEW YORK, RHODE

ISLAND AND VERMONT.

JUST LAST WEEK GOV HOG

-- GOVERNOR HOGAN DECLARED A

STATE OF EMERGENCY FOR OPIOID

AND HEROIN MISUSE COMMITTING AN

ADDITIONAL $50 MILLION OVER THE

NEXT 5 YEARS TO BEEF UP

EVERYTHING FROM LAW ENFORCEMENT

TO TREATMENT CENTERS

BUT THE CHAIR OF THE HOU

HEALTH AND GOVERNMENT OPERATIONS

COMMITTEE BELIEVES THAT HEALTH

DEPARTMENTS REQUESTED

DESCRIPTION LIMIT BILL WOULD

CARRY MORE WEIGHT IF SOME ONE

FROM THE ADMINISTRATION

TESTIFIED IN SUPPORT.

>> THIS ADMINISTRATION HAS

CHOSEN NOT TO TAKE POSITIONS A

NOT GIVE US THEIR OPINION.

THEY GIVE US LETTERS OF

INFORMATION.

SO IT'S SOMETIMES HARD TO KNOW

WHAT'S ON THEIR MINDS.

REPORTER: THE HOUSE COMMITTEE

HEARD A HALF DOZEN OPIOID

RELATED BILLS.

ANOTHER THAT IS ALSO GETTING

LOT OF ATTENTION ESTABLISHES 10

CRISIS TREATMENT CENTERS A

TOLL-FREE HEALTH CRISIS

HOTLINE AND REQUIRES COLLEGES

AND UNIVERSITIES TO OFFER

CREDITS RELATED TO SUBSTANCE USE

DISORDER AND PAIN MANAGEMENT.

>> THERE'S A GREATER NEED TO

PROVIDE FOR PROFESSIONAL STAFF

TO WORK IN SOME OF OUR SERVICES

IN COMMUNITY BASED PROVIDERS

REPORTER: BILL SUPPORTERS

CONCEDE THERE IS NO FUNDING

SOURCE.

THEY ARE COUNTING ON MATCHING

FEDERAL MONEY TO PAY FOR IT.

For more infomation >> Video: Legislators hear slew of bills on opioid misuse - Duration: 1:48.

-------------------------------------------

How to draw a cartoon FLY - Duration: 3:21.

How to draw a cartoon FLY

For more infomation >> How to draw a cartoon FLY - Duration: 3:21.

-------------------------------------------

EMINEM расширил лейбл; FUTURE; Кто наживается на вещах покойных рэперов #RapNews USA 33 - Duration: 9:38.

For more infomation >> EMINEM расширил лейбл; FUTURE; Кто наживается на вещах покойных рэперов #RapNews USA 33 - Duration: 9:38.

-------------------------------------------

Video: Maryland prepares for 'A Day without a Woman' - Duration: 1:45.

T WORK.

>> WE CAN PROBABLY HANG SOME

STREAMERS THERE TOO.

REPORTER: TERRIE FLECKENSTEIN IS

PREPPING FOR HER CONTRIBUTION TO

A DAY WITHOUT A WOMAN.

AT HER BUSINESS IN HAMPDEN,

SHE'LL DECORATE THE FLECKENSTEIN

GALLERY IN RED STREAMERS, AND

BALLOONS, IN A SHOW OF

SOLIDARITY.

>> BRING ATTENTION TO THE FACT

THAT HEY, THERE IS 50% OF THE

POPULATION HERE, WE HAVE TO HAVE

OUR VOICES HEARD.

REPORTER: TERRI AND HER FEMALE

EMPLOYEES WILL BE AT WORK ON

WEDNESDAY AS USUAL, BUT SOME

WOMEN ARE PLANNING TO STRIKE,

WEAR RED, AND TAKE PART IN

MARCHES IN BALTIMORE, D.C., AND

THROUGHOUT THE COUNTRY.

>> IT'S BEEN INCREDIBLE.

REPORTER: IT'S AN EFFORT, THAT

JOANNA DIAMOND FROM PLANNED

PARENTHOOD OF MARYLAND SAYS GREW

OUT OF THE HISTORIC WOMEN'S

MARCHES IN JANUARY.

>> JUST REALLY SNOWBALLED INTO A

GRASSROOTS ORGANIC EFFORT.

ACTIVATE, PEOPLE GET THEM

ENGAGED IN THE POLITICAL SYSTEM

AND MAKE SURE THAT THEY HAVE A

VOICE HEARD.

REPORTER: AS PART OF THAT

SUPPORTERS OF A DAY WITHOUT A

WOMAN ARE PLANNING TO AVOID

SPENDING MONEY EXCEPT FOR AT

BUSINESSES LIKE TERRI'S THAT ARE

OWNED BY WOMEN AND MINORITIES.

THE IDEA IS FOR WOMEN TO SHOW

THEIR ECONOMIC POWER.

MUCH LIKE A DAY WITHOUT

IMMIGRANTS LAST MONTH, A

MOVEMENT THAT BALTIMORE

ECONOMIST ANIRBAN BASU SAYS

DIDN'T HAVE THE ECONOMIC IMPACT

AS SOME MIGHT HAVE HOPED.

>> I DON'T THINK THE ECONOMIC

IMPACT WAS GREAT, I HAVEN'T SEEN

ONE ECONOMIST ALTER THEIR

FORECAST FOR U.S. PERFORMANCE

DURING THE FIRST QUARTER, OR

ALTER THEIR PERCEPTION OF WHAT

THE FEBRUARY JOB NUMBERS ARE

GOING TO LOOK LIKE.

MANY IMMIGRANTS FELT THE NEED TO

SHOW UP FOR WORK THAT DAY.

REPORTER: PRINCE GEORGE'S COUNTY

SCHOOL OFFICIALS SAY THAT 1700

TEACHERS AND 30% OF THE

TRANSPORTATION STAFF REQUESTED

LEAVE LEADING TO THAT SHUT DOWN.

For more infomation >> Video: Maryland prepares for 'A Day without a Woman' - Duration: 1:45.

-------------------------------------------

LEARN COLORS WITH PLAY DOH How To Make Rainbow Swirl Lollipops with Play Doh DIY Play Doh Discovery - Duration: 4:51.

LEARN COLORS WITH PLAY DOH How To Make Rainbow Swirl Lollipops with Play Doh DIY Play Doh Discovery

For more infomation >> LEARN COLORS WITH PLAY DOH How To Make Rainbow Swirl Lollipops with Play Doh DIY Play Doh Discovery - Duration: 4:51.

-------------------------------------------

Suspect in court after shooting and chase - Duration: 0:49.

BETHANY: IT TOOK QUITE A BIT OF

EFFORT TO ARREST THIS SUSPECT.

POLICE HAD TO CHASE HIM WHILE HE

WAS NAKED AND RUNNING FROM THE

RED ROOF INN.

HE IS CHARGED WITH ASSAULT WITH

A DEADLY WEAPON WITH INTENT TO

KILL.

THE INVESTIGATION BEGAN WHEN TWO

GUNSHOT VICTIMS CHECKED IN AT

THE MOSES CONE HOSPITAL.

ONE PERSON WAS TREATED AND

RELEASED ON THE OTHER VICTIM IS

STILL IN THE HOSPITAL IN STABLE

BUT SERIOUS CONDITION.

POLICE SAY THE SHOOTING HAPPENED

AFTER A FIG BETWEEN THE

SUSPECT AND HIS GIRLFRIEND ON

MARCH 1.

HE WAS ARRESTED YESTERDAY SO

THIS WOULD BE HIS FIRST COURT

APPEARANCE THIS MORNING.

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