Despite dehydration and heavy blood loss, Ralston was able to crawl through a narrow, winding canyon, rappel down a 60-foot cliff, and walk some six miles down the canyon near Canyonlands National Park.

There he met hikers from Holland who offered him two Oreo cookies - his first food in days.

posted at: 10:08 | path: /en/links | permanent link

Yesterday's Astronomy Picture of the Day, today's front page splash.

posted at: 01:14 | path: /en/links | permanent link

There's no 'Holland' category.

posted at: 07:05 | path: /en/links | permanent link

In September 2000 I purchased a microwave video transmitter / receiver system and a CCD bullet or lipstick camera. Fortunately at around the same time a friend imported several Aerotech ARCAS mid-powered rocket kits from an American online hobby retailer. posted at: 01:50 | path: /en/links | permanent link

This is the story of how I designed, built, launched, and recovered a high-altitude weather balloon. Found at Bruce Sterling's. posted at: 01:40 | path: /en/links | permanent link

Alan Turing invented the computer, saved the Allies and ran a 2:46 marathon. posted at: 00:00 | path: /en/links | permanent link