John was wondering

… whatever happened to that idea? We used to do it. Such a lot. And then there was curiosity. I mean they say it killed the cat – but we are human.

Graham answered …

… well, there’s this …

Galileo claimed that a cannonball and a feather would hit the ground simultaneously if there was no air resistance. In Galileo’s time, the experimental demonstration was difficult. 4 centuries later, with the technological advance, an experiment was created that shines in the eyes. See it for yourself! Beautiful to see!
Fraternal hugs!
Dr Milton Moura

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