The Blue Sky Below Us.
Spacewalks
Category Archives: Science
Solar System Scope
Solar System Scope.
Antikythera Mechanism
The device, a 2,000-year-old assemblage of gears and wheels that matched 19th century clocks in precision and complexity, was salvaged from a shipwreck off the Greek island of Antikythera in 1901.
Safe Thorium Reactors
If a town of 1,000 bought a 1-megawatt thorium reactor for $250,000, using 20 kilograms of thorium a year with almost no oversight, every family could pay as little as $0.40 a year for all their electricity.
Fastest Object
The fastest man-made object in history.
MESSENGER
Journey To The Edge Of The Universe
Aerogel Batteries
This material could soon become the best energy storage material for capacitors and batteries.
Final Discovery Launch
Big Beautiful Photos Of NASA’s Final Discovery Launch.