The Physics of How Lawn-Mower Blades Cut Grass (at 50K frames per second).
Photos That Prove Japan Is Not Like Any Other Country.
Spiders Can Fly Hundreds of Miles Using Electricity.
On July 16, 1945, the atomic age began with the Trinity nuclear test. Related 1954 film: How a Clean, Tidy Home Can Help You Survive the Atomic Bomb
Kazakhstan tax dollars at work: Forty-foot tall squirrel statue is part of an art project commissioned by city authorities.
Man Spends 23 Years Carving Sprawling Underground Temple Under His House.
ICYMI, Friday’s links are here, and include why Friday the 13th is considered unlucky, the history of trial by combat, Bastille Day, Mozart’s less family friendly works, and how local authorities are surveilling U. S. citizens.