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[postlink] http://science-video.blogspot.com/2011/05/amazing-lasers-cheapy-lighter-laser.html[/postlink] http://www.youtube.com/watch?v=5erjj6aS5Wsendofvid [starttext]can u give me one thats awsome and im not good with wireing and taking stuff apart [endtext]

Amazing Lasers!: Cheapy Lighter Laser Burner!

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[postlink] http://science-video.blogspot.com/2011/05/fire-tornado-cool-science-demo.html[/postlink] http://www.youtube.com/watch?v=hVvW47qL8w8endofvid [starttext]When you picture a tornado, most of us imagine a whirling column of air poking down from the clouds. But this tornado-like effect is not limited to just the air. A fire tornado or fire whirl is just like a tornado but it's made of fire. As the heated air from the fire rises, strong air currents (often whipping through the trees) cause the air molecules to spin (often referred to as angular or rotational momentum) which shapes the flame into the shape of a tornado. [endtext]

Fire Tornado - Cool Science Demo

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[postlink] http://science-video.blogspot.com/2011/05/giant-smoke-rings-cool-science.html[/postlink] http://www.youtube.com/watch?v=-VL0M0jmu7kendofvid [starttext] It's first one round burst then she turns it to fully automatic [endtext]

Giant Smoke Rings - Cool Science Experiment

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[postlink] http://science-video.blogspot.com/2011/05/hydrogen-bubbles-exploding-bubbles.html[/postlink] http://www.youtube.com/watch?v=zrg8XlHEDJ8endofvid [starttext] Combine two parts hydrogen with one part oxygen and you get water. Oh, you also get a little energy released as well. POW! Unlike traditional hydrocarbon fuels, hydrogen and oxygen do not produce any bad bi-products for the environment. Steve Spangler shares his own unique twist on the hydrogen and oxygen demonstration in hopes of piquing your curiosity about this incredible, renewable source of energy. [endtext]

Hydrogen Bubbles - Exploding Bubbles

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[postlink] http://science-video.blogspot.com/2011/05/seven-layer-density-cool-science.html[/postlink] http://www.youtube.com/watch?v=fE2KQzLUVA4endofvid[starttext]Everyone knows that vegetable oil and water dont mix. Thats because the two liquids have different densities. Density is basically how much stuff is smashed into a particular area or a comparison between an objects mass and volume. So, the exact same volume of two liquids may actually have different masses, so they would have different densities. Thats why vegetable oil floats on top of water.[endtext]

Seven Layer Density - Cool Science Experiment

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