Summary: A Tesla coil generates a very high-voltage, low-currant resonating AC electricity that is equivalent to a cattle prod or a Taser. Understand how a Tesla coil is made and used with a demonstration from a science teacher in this free video on science.
Colin Kilbane has a degree in chemistry from Kansas State University. Currently, he is the head scientist of a school program called Mad Science. There, Kilbane teaches kids how to do...read more
"Hi, my name is Colin Kilbane, and I'm here to show you a Tesla Coil today. This is one of my Tesla Coils, this is actually a small handheld unit. Now the Tesla Coil was invented by the great inventor Nikola Tesla in 1891. It basically generates a very high voltage low current resonating AC electricity. And basically this gives you a wonderful spark but believe me, you don't want to get hit by this thing. This little tiny one has got enough juice to make you regret it, it's like a cattle prod. Or a taser. You don't want to get hit by it. So, you got to be very careful with these things. This one is small enough it's probably not going to kill you, but you're not going to do it again. All right, what we've got here is my cannon, I put a little bit of combustible methadol in this cannon and I'll touch the Tesla Coil to it, it'll jump across a gap between the two bolts that are put in from the side and it will ignite them and this thing will go flying. Let's dim the lights for a few experiments with the Tesla Coil. Okay here we go. And that's a Tesla Coil."
eHow Article: How to Make a Tesla Coil
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