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| Tweet Topic Started: Sep 30 2012, 04:15 PM (307 Views) | |
| wathap2u | Sep 30 2012, 04:15 PM Post #1 |
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Remember the movie Independence Day when the 2mile diameter ufo craft slowly hovered their way into the major cities across the world and what surrounded them was what I thought were clouds. Edited by wathap2u, Sep 30 2012, 04:16 PM.
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| wathap2u | Oct 7 2012, 11:39 AM Post #2 |
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Scientists at Argonne National Laboratory have discovered a way to use sound waves to levitate individual droplets of solutions containing different pharmaceuticals. Its Called Acoustic Levitation |
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| wathap2u | Oct 7 2012, 11:53 AM Post #3 |
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The North Museum of Natural History & Science in Lancaster, PA previews its newest attraction: a quantum levitator. It's a circular track of magnets above which a razor-thin disc magically levitates, seeming to defy the laws of physics. Purchased for about $7,000 from Tel-Aviv University, the levitator is believed to be the only one of its kind in a United States museum. The key to the levitator is the disc, which is made of superconducting material sandwiched between layers of gold and sapphire crystal. A piece of foam is placed on top and held in place with household plastic wrap. The disc is then dipped into a brew of liquid nitrogen (temperature: minus-300 degrees Fahrenheit). I for one appreciate the North Museum for sharing this. This is an extraordinary science project you must imagine this on a bigger scale. You can see now why gold is so important other than formed into gold bricks and stored at the federal reserve or ft Knox.....right |
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| wathap2u | Oct 7 2012, 12:04 PM Post #4 |
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This is pretty cool although i think somewhat of a hoax. |
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| wathap2u | Oct 7 2012, 12:13 PM Post #5 |
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A flux-pinning enhanced superconducting puck levitates above and is pinned to a magnetic figure-8 track. This demonstrates the quantum physical effect of superconductivity and the Meissner Effect as well as magnetic flux pinning. The puck is accelerated using the motors from a toy car track set. |
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