Archives for June, 2009

Stealing Daylight

Ever wonder how much daylight you can gain or lose just by getting in your car and driving either West or East? Here’s how to figure it out. The Earth’s circumference is about 25,000 miles (40,000 km) at the equator. So if you start out at sunrise and drive 1,000 miles (1,600 km) Westward during…

The Toughest Repair Job

Sometimes, it isn’t just what’s broken or how badly it’s broken, but location can turn a trivial job into a virtually impossible one. Take the last shuttle repair mission to Hubble, for example. This mission caused all sorts of records to be set, including the longest spacewalk ever! What caused the tremendous setback? A stuck…

A Tale of Two Slits

(It’s just good, clean physics, I swear!) Last week, my buddy Lucas was watching a BBC documentary about petulant musician Mark Oliver Everett (of the Eels), and his quest to understand his father, the late physicist Hugh Everett. Hugh Everett is famous as the discoverer of the many-worlds interpretation of quantum mechanics, which is a…