Tuesday, October 21, 2014

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SCIENCE BREAK

Take a Science Break with TWC News Chief Meteorologist Burton Fitzsimmons as he connects you, and the minds of area youth, to the world of science every Tuesday.

10/07/2014 09:48 AM Posted By: Burton Fitzsimmons
TWC News: Science Break
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Today on "Science Break," we're taking a dry ice experiment to a whole new level just for Halloween.

Using warm water, dry ice and food coloring, you can create a pretty cool Halloween visual. Add in some glow sticks, turn out the lights and you get an even spookier Halloween ambiance.

For the full demonstration and instructions on how you can try out this experiment, watch the video above.


09/27/2014 10:57 AM Posted By: Burton Fitzsimmons
TWC News: Balloons and Buoyancy
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Helium is lighter than nitrogen — the element that mostly makes up the air we breathe — which is why helium-filled balloons float and balloons that are filled up with air from your lungs sink.

However, the right combination of air from your lungs and helium will cause a balloon to become neutrally buoyant, meaning it'll suspend itself wherever it's released.

What ratio of human air to helium do you think would make the balloon neutrally buoyant? Check out the "Science Break" video above for the answer.


09/16/2014 07:35 AM Posted By: Burton Fitzsimmons
TWC News: Dry Ice
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Just in time for fall festivities, we're making our own fog machine.

Start by cutting a small hole in the bottom of a plastic, disposable cup. Along with some safety goggles, gloves and adult supervision, place some dry ice in the cup and then seal the open top with saran wrap and a rubber band.

By simply tapping on the saran wrap, CO2 gas is released through the hole in the bottom of the cup, creating smoke rings. Check it out in the "Science Break" segment above.


08/12/2014 10:14 AM Posted By: Burton Fitzsimmons
TWC News: The Secret Behind the Green Screen
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Our meteorologists are on TV in front of the weather map all the time, but how does all that technology work?

The secret is in the green screen, also known as a chroma key wall.

"We pick a color that is not natural or frequently worn either so that we can use a special computer called chroma keyer to remove the green and allow us to put anything behind it we want," our Burton Fitzsimmons said.

Find out more in the "Science Break" segment above.


08/05/2014 09:58 AM Posted By: Burton Fitzsimmons
TWC News: Good Vibrations: The Science of Sound
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What is it about our mouths that creates sound? Vibrations.

Armed with that knowledge, we're using some clear tape and pursed lips to make some good vibrations — and some good sound.

Check out exactly what happens and what sound our little experiment makes in the "Science Break" segment above.


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