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Captchas help preserve old texts

Mar 29, 2011
When you go online and have to determine a captcha word, it's likely that word is from an old text that's been digitized. When old texts are digit...

All the rage: crowd-sourced radiation maps

Mar 25, 2011
A ton of maps are starting to pop up that mark radiation levels in various areas. Singularityhub has the rundown and lists a map made by Portland's...