These two security utilities prevent thieves from being able to reset your password to gain access to the contents of your Mac.
We can't believe these tiny sculptures (created by artist Jonty Hurwitz) are thinner than the width of a human hair and relatively detailed for their size. If you wanted to see them, though, you'd need to have an electron microscope handy.
The Army is getting ready to ship a trio of A160 Hummingbirds to Afghanistan for a trial run with the Argus sensor system.
The A160T Hummingbird unmanned rotorcraft puts in a full day's work with a half-ton payload.