QC#5 – Screaming Shivering Quarters

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A Quarter is pushed into a block of dry-ice. It screams and shakes.

Dry ice experiments from Household Hacker http://youtu.be/59fNA983RGY

See the full project video: http://bit.ly/5DryIceTricks

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Previous Video: Balancing Matchsticks: http://bit.ly/QCBalancingMatches

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“Quick Clips” are clips of random experiments in a minute or less.

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Music By:
Music by Jason Shaw (RP-Clattertrap)
http://www.audionautix.com

Project Inspired By:

Various YouTube videos on dry-ice experiments like http://youtu.be/6nM2c1ZRse4

WARNING: Use of video content is at own risk. Dry ice is -78C and is very cold and poses risk for instant frost-bite on bare skin. To avoid frost-bite on bare skin, handling of dry-ice should be approached with caution and attempted with gloves or other protection.

Project History & More Info:

I was glad to learn that dry-ice can easily be purchased from local grocery stores if you’re over 18, so I’ve made a habit of picking some up on a regular basis, and bring it home to play with my kids and show them some cool tricks.
I saw a couple of neat videos on the internet showing that if you placed a quarter sideways into a block of dry ice, it would shake rapidly.

I found that this only happens when the quarter is warm. So when you first put the quarter into the dry ice, and it cools down rapidly as it cuts a groove, it probably won’t work. You then need to run it under some warm water to warm it back up, then set it down in the groove already formed, and it will bounce for about 30 seconds.

This shivering action happens because the dry ice that’s touching the quarter rapidly warms up and turns to a gas, pushing the quarter up until the gas escapes. When the gas is out, the quarter flops back down on the dry ice and warms it up until gas pressure builds and pushes it up again. This process happens very quickly, and repeats rapidly until the quarter is too cold to warm the dry ice any further.

Content Patch – April 18th, 2013 – Ep. 071 [DICE & VR, Pikmin 3, Bethesda]

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00:38 Valve launched round 6 of Greenlight games http://bit.ly/12ptDfy
05:55 Ubisoft CEO states audience is ready for always-on http://bit.ly/13kviSz
11:49 DICE interested in VR technology http://bit.ly/YZWM0Z
14:23 Pikmin 3 launch date revealed http://bit.ly/14yGkbr
17:30 Bethesda moves away from Skyrim http://bit.ly/14yGnnQ
20:18 Track of the day http://bit.ly/17rxOqw

Redline Review: 2013 Kia Rio SX

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After years of being referred to as the penalty box within the sub-compact class, Kia has decided to step up their game and build a more desirable Rio. The all-new third generation touts impressive high-end features that had previously never wandered into the commuter car segment, and while there are no doubts as to whether the Korean automaker has greatly improved its offering, the real question remains: Will fancy features and creative designs be enough shake off the previous model’s stodgy image?

If you haven’t laughed today, make sure that you watch the outtakes at the end of video!