A robot powered by a laser beam climbing into space is no longer wild science fiction -- engineers get one step closer to making it science fact.
More Contest Seeks Space Elevator
As Recession-Minded Businesses Cut Back On Travel For Employees, Online Communities Such As Second Life Are Filling The Void. More Than 1,400 Companies And Agencies Now Use Second Life Avatars To Hold Virtual Meetings And Conduct Training. More
A Small, Wearable Camera That Captures Images Automatically Could Change The Way Memory Loss Patients, In Particular Those With Alzheimer's, Are Treated, Experts Say. More