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The Scientific Lens

@lensscientific

Physics, Astronomy, Mathematics and beyond. A curated deep-dive into the universe, from the subatomic to the supermassive.

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calendar_today10-07-2024 17:50:42

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You can model a lightning strike by letting it solve a maze. If there is no connection, nothing happens. The air simply resists. If there is a connection, that path becomes the easiest route, so the discharge snaps through it.

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It doesn't matter how beautiful your theory is, it doesn't matter how smart you are. If it doesn't agree with experiment, it's wrong. — Richard P. Feynman

It doesn't matter how beautiful your theory is, it doesn't matter how smart you are. If it doesn't agree with experiment, it's wrong.

— Richard P. Feynman
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Can random chaos solve a problem without using logic? Instead of "thinking," this simulation fills the maze with "smoke." Thousands of particles bounce around randomly until one hits the exit. It’s far from efficient, but it gets the job done.

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When asked why are numbers beautiful? “It’s like asking why is Ludwig van Beethoven’s Ninth Symphony beautiful. If you don't see why, someone can't tell you. I know numbers are beautiful. If they aren't beautiful, nothing is.” — Paul Erdos

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Mathematics, rightly viewed, possesses not only truth, but supreme beauty… capable of a stern perfection such as only the greatest art can show. — Bertrand Russell

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Grigori Perelman, the mathematician who solved the Poincaré Conjecture and turned down both the Fields Medal and the $1,000,000 Clay Prize. Take a bow?

Grigori Perelman, the mathematician who solved the Poincaré Conjecture and turned down both the Fields Medal and the $1,000,000 Clay Prize. Take a bow?
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Our whole solar system sits inside a deflated cosmic croissant. The nonstop wind of charged particles and magnetic fields blasted by the Sun pushes against the thin gas and dust floating between the stars, carving out a giant protective bubble.

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Today’s scientists have substituted mathematics for experiments, and they wander off through equation after equation, and eventually build a structure which has no relation to reality. — Nikola Tesla

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Angular momentum keeps a gyroscope impossibly standing. You spin fast enough, and gravity loses. Simple physics that feels almost magical.

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Two balls rolling down two slopes. While the indirect path proves faster at first, the direct path wins in the end. Credit: Matt Henderson