February 27, 2006An open-source application breaks an encrypted message from World War II, and wants your help to finish the job.TAGS:distributed computing, object, message, open source
February 28, 2007The handheld device from the labs at Purdue quickly sniffs out chemicals on a surface--or cocaine on $50 bills.
Photos: Purdue's 'tricorder' deviceTAGS:handheld device, handheld, object, researcher, Star Trek, food
March 2, 2006Real-life CSIs may soon add a NASA-engineered photography tool to their arsenal of crime-solving gadgetry.TAGS:laser, object, scientist, photograph
March 21, 2007Researchers develop microscale particles shaped like letters that could eventually be used to tag cells inside humans.Images: Microscale particles shaped like lettersTAGS:letter, cell, researcher, paper, object
February 17, 2007Strikes are rare, but the results could be cataclysmic; an early detection system could prevent such impacts, scientists say.
Video: Is there an asteroid in your future?TAGS:gravity, collision, scientist, object, San Francisco, video