Bitcoin is a type of digital currency that allows people to buy goods and services and exchange money without involving banks, credit card issuers or other third parties. Its origins have long been a mystery — though an Australian man long rumored to have ties to bitcoin has come forward claiming to be its creator.
The U.S. military is beginning testing on the world's largest unmanned ship — a self-driving 132-foot surface vessel designed to travel thousands of miles out at sea without a single crew member on board.
Daytona Beach, Florida-based iGun Technology Corp. has been developing a "smart gun," a firearm that uses a ring with a chip in it to send a signal to a circuit board embedded in the firearm so that only an authorized user can fire the gun.
Sarah Ellis grabbed the stylus with her right hand, aimed it toward the computer screen and clicked on the brightly colored yellow praying mantis. The program on the computer wanted her to classify what she saw on the screen.
The chief of staff to Los Angeles County Sheriff Jim McDonnell stepped down days after it was revealed he forwarded emails containing jokes mocking minorities, Muslims and women when he worked for the police department in Burbank.