Why Is Everything Spherical?
Have you ever noticed that everything in space is a sphere? The Sun, the Earth, the Moon and the other planets and their moons… all spheres. Except for the stuff which isn’t spheres. What’s going on? It all comes down to gravity. All the atoms in an object pull towards a common center of gravity,…
io9
Fraser Cain – Universe Today
If Einstein Had Never Been Born, Would We Still Have Nuclear Weapons?
Albert Einstein and his equation E=mc² are famously connected to the modern atomic age. But as nuclear historian Alex Wellerstein writes in this counterfactual account of history, the great physicist mattered less than you’d think in the invention of the nuclear bomb. If Albert Einstein had never been born, would it have changed when nuclear…
Physics & Chemistry
Alex Wellerstein - Restricted Data