Capacitors are used to store an electric charge for quick release. They are common components of electronic devices, but they need to be treated carefully, because they can release a considerable jolt of electricity!
Languages: English
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Lenz’s Law
We know that copper and aluminum are not typically attracted to permanent magnets, but unexpected things happen when the magnet is in motion!
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Make a Comet
It’s simple and fun to make your own dirty snowball and, in the process, learn what comet are composed of and how they move through space!
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Measuring the Speed of Light With a Microwave
The electromagnetic waves in a microwave travel at the speed of light. Figuring out their wavelength will give us a tasty approximation of the speed of light!
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Making Curds and Whey
Step one in cheesemaking is acidifying the milk to separate curds (which become cheese) and liquid whey (water, proteins, and other stuff).
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The Science of Tightrope Walking
Sometimes it’s hard enough just to walk on the sidewalk. How is it possible to balance on a tightrope, and how does that big heavy bar fit into the picture?
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Understanding Centrifugal Force
A rotating system requires two forces – a forward force and a force in towards the centre. If you didn’t have the force in toward the center, then we wouldn’t have a curved path. So why do seem to feel this force pulling things outward?
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Liquid Pressure
Hydraulics are based upon the transmission of forces through liquids. Because liquids are virtually incompressible, they readily transmit and even magnify forces, which can lead to some fun demonstrations!
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Making Butter
One of the simplest food science activities is one of the best. Transform cream into butter!