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Extrude creates new geometry. Push Face edits what is already there. It’s a basic difference, but knowing when to use each makes direct modeling much easier. Try Plasticity for free at

12,065 次观看 • 8 天前 •via X (Twitter)

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🚨 SCIENTISTS FINALLY FIGURED OUT WHY GOLD NEVER TARNISHES AND IT’S ALL ABOUT ATOM GEOMETRY. Gold stays perfectly shiny for centuries while silver dulls, copper turns green, and iron rusts. For decades, no one could explain exactly why. Now researchers at Tulane University have cracked it using quantum simulations. When gold is cut, its surface atoms don’t stay still. They rearrange into a stable hexagonal pattern. This specific geometry makes it extremely difficult for oxygen molecules to split and react with the metal requiring far more energy than other arrangements. Why this matters: • Gold’s famous inertness is not just chemical it’s geometric • The hexagonal “reconstruction” of atoms creates a protective barrier at the atomic level • This explains why gold is so resistant to tarnishing and corrosion • It also shows why gold is normally a poor catalyst but could become an excellent one if we force atoms into different patterns The deeper implication is enormous: We are learning that the behavior of materials at the atomic scale is controlled by geometry as much as chemistry. By understanding and controlling this atomic rearrangement, scientists could finally make gold a powerful catalyst for clean chemistry while keeping its legendary shine for jewelry and electronics. What other “eternal” properties of materials might actually come down to tiny patterns of atoms? Follow for more frontier physics and materials science.

TheNewPhysics

73,903 次观看 • 2 个月前