The guy in this video demonstrates a Rubens Tube. He has a speaker at one end of a piece of PVC pipe that contains holes. He runs propane into the tube and lights it up like a camp stove. The pipes sound through the speaker and the sound waves compress the air in the tube giving the sound wave visualization in the flames.

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Here's an article about a flexible video display that Sony is working on. Apparently it is a combination of TFT and electroluminescent display technology. Electroluminescent is a cold light backing which takes very little electricity like you would use on a security vest. Sony is showing off a 2.5 inch flexible prototype display using the technology. Call me when I can actually buy it 5 years from now. I'm putting this one up there with e-ink and the laser laptop keyboard.

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This guy has a printer setup that writes images on toast using a small blowtorch. It's basically an ink jet printer except that it uses a blowtorch instead.�One of a kind�toaster.

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This demo video from some video game show demonstrates the Havok physics engine with a bunch of different materials. They throw objects through various materials (wood, glass, jelly, metal) and they break up, dent, or bounce back like they would in the real world (no pre-animation).

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Guy in this video uses MS Paint to draw the Mona Lisa in about two and a half hours. The video is sped up to display the whole drawing process in about four minutes.

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Here is a second video using ferro fluids containing nanoparticles. In this video there are two metal looking towers out in the middle of the fluid and when the elecromagnetic field is varied different structures form on the two towers.

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Two guys battle it out using martial arts weapons in the video of this tournament. One guy has what I assume is a Bo (basically a quarterstaff) and the other guy has a three piece staff. The video quality is horrible.

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Here's a video which shows an illusionist's trick in action. The guy is standing on a table, he lifts up a towl, and disappears. The trick is that there is a mirror running down the middle of the table facing the camera which reflects back the camera side of the table. The illusionist is behind the mirror.

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Guy demonstrates a coin trick using a glass table to show the movement of the coins. He flicks each coin under a towl while pretending to pick it up and then drops a palmed coin out of his hand into the glass.

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The demonstration in this video shows a guy powering a lightbulb and then electric motor using candles. He has two candles and drives a nail into each. He magnetizes the nails and hooks a wire to each one and then to the lightbulb. Next he lights the two candles and the lightbulb powers up.

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