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Inventors have been mulling just as long over the idea of constructing a device which would work...
How can a tin can be crushed without manual force? All you need is some water and heat.
Is there a difference between the weight of a plastic bottle filled with air and the weight of a...
In this experiment, we study the properties of hydrogen gas.
Among the most significant research carried out in the early 20th century focused on the...
How to rotate a pinwheel and a spiral without touching them.
Candles have been used for lighting since ancient times.