Tag: gravity
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What’s the Big Deal With Newton and an Apple?
Did Isaac Newton get conked on the head by an apple? Well, that’s not the way he told the story! I was taught in elementary school that Isaac Newton had solved the riddle of gravity, of how and why stuff falls down. And yes, Newton really did get inspired by watching an apple fall to…
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What’s a Fact?
Sometimes it’s hard to tell what’s a fact, what’s a wild guess, and what qualifies as a valid scientific theory. Folks often use the word “fact” to mean something that they really believe in — not necessarily something that can be shown to be objectively true. And “theory?” I see that used all the time…