Trees Grow Out of the Sky, Not The Ground

Richard Feynman, one of the greatest physicists of the 20th century, could look at a simple tree and see much more than some roots, a trunk, branches and leaves. He understood and marveled at where they came from. The answer isn’t what you think.

Feynman said that trees come mostly out of the air.

Before you sputter in laughter and point in ridicule, you need to know that he’s correct.

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My Dad The Nerd

My dad the nerd

My mother never understood the wave-particle duality of electromagnetic phenomena. She had no interest in the fact that objects traveling near the speed of light shortened in their direction of motion. And she never grasped how an airplane managed to stay up in the air at all, even though her husband flew planes for a living. Continue reading