Comments by "Martinit0" (@Martinit0) on "Need a new idea? Start at the edge of what is known | Vittorio Loreto" video.

0:40 It's quite likely that an apple was involved in Newton's discovery of gravity. Imagine Newton lying under an apple tree, looking up into the tree enjoying his afternoon. Suddenly he sees an apple accelerate towards him, maybe falling very close to his face. Isn't that unusual, he might have thought? Usually apples and things fall down, this one speeds sideways into my face! Ah no, I'm lying on the ground... That small change of perspective might have given him the hint that not up and down is the relevant relationship for gravity but rather towards. Smart people need only a small hint and they start digging until they find something.
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