Galileo once proposed that all objects under gravity, whether they’re really heavy or really light, will fall and accelerate downwards at the same rate. In a famous experiment, he supposedly dropped both from the Leaning Tower of Pisa and proved it. Why is this true? For something with more mass, it does feel a stronger
Read moreBuild Your Own Vacuum in Four Steps
All you need for this at-home science is a glass, a plate, a candle, water, a match, and a bit of caution, because we are dealing with fire. Step 1: Pour the water on the plate Step 2: Place the candle on the center of the plate Step 3: Light the candle (or have a
Read moreModeling Outer Space
You’re carrying an awful lot of weight right now. It’s hard to tell, but every square inch of you is supporting fifteen pounds of atmospheric pressure! Multiply that by the number of square inches on the surface of a human body, and you’ll find you’re bearing a hefty load. Atmospheric pressure results from the
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