The Feynman Lectures on Physics are available free on the web #Physics #Books @Caltech

Surely You're Joking, Mr. Feynman: Summary & Notes - Calvin Rosser

Imagine a science game: 👉 First, we load 𝘮𝘢𝘳𝘣𝘭𝘦𝘴 into a little shooter and fire them at a wall with 𝘵𝘸𝘰 𝘥𝘰𝘰𝘳𝘴 (𝘴𝘭𝘪𝘵𝘴). Each marble picks one door, and on the wall behind we see 𝘵𝘸𝘰 𝘯𝘦𝘢𝘵 𝘱𝘪𝘭𝘦𝘴—just what we expect from solid objects. 👉 Next, we try 🌊 𝘸𝘢𝘵𝘦𝘳 𝘸𝘢𝘷𝘦𝘴. The waves ripple through both doors and 𝘮𝘪𝘹—on the wall we get a 𝘴𝘵𝘳𝘪𝘱𝘺 “𝘪𝘯𝘵𝘦𝘳𝘧𝘦𝘳𝘦𝘯𝘤𝘦” 𝘱𝘢𝘵𝘵𝘦𝘳𝘯. 👉 Then comes the 🤯 𝘮𝘪𝘯𝘥-𝘣𝘭𝘰𝘸𝘪𝘯𝘨 𝘱𝘢𝘳𝘵: we fire 𝘵𝘪𝘯

A Physicist’s blog on Instagram: "In 2013, published in PhysicsWorld, Physicists from the University of Nebraska–Lincoln and the Perimeter Institute had successfully realized the most faithful laboratory version yet of Richard Feynman’s famed double‑slit thought experiment. While earlier experiments demonstrated single‑electron interference using devices like biprisms, this new setup employs an actual double‑slit—fabricated in a gold‑coated silicon membrane with each slit measuring 62 nm wide an