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Try this: The colour of confusion
You will need A high quality printout of this template A pencil What to do Download this pdf and print it out in colour OR view it on a computer monitor. How many different shades of green can you see?...
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Try this: Dark heat
What’s happening? Oddly, the temperature on the two thermometers nearest the spectrum should increase, even though only one seems to be in the light. The one near the red end of the rainbow may even...
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Try this: Shocking capacity
Warning: This activity shows how to make a small capacitor. Bigger capacitors can hold large amounts of charge and produce a dangerous shock. Take care to follow the instructions. You will need Film...
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Try this: You see UV
Warning: Although UV radiation is invisible to the human eye, blacklight bulbs are still bright light sources. Do not use them in a darkened room or use them for more than fifteen minutes a day. What’s...
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Building a gun from the handheld Tesla coil gun
Rob Flickenger was browsing through a bookstore situated in Seattle near his home last year when he came across a novel with the title, The Fists of Science. The novel told a story of a crime fighter,...
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