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Just when you thought it was safe to go back in the water, the Navy and Virginia Tech unveil a robotic jellyfish that looks like it could swallow a seal.
Researchers are working on a robot that looks and moves like a jellyfish and powers itself with the help of high-tech materials and seawater. Surveillance and environmental monitoring are possible uses.
That innocent-looking jellyfish floating along in the ocean may actually be Robojelly, a hydrogen-fueled robot surveillance jellyfish in development for the Navy.
Les Miles is the latest coach to delight in tweeting. However, he intends to Twitter before and after games. And during half time.
The Milwaukee Bucks' Charlie Villanueva decided to send a tweet at halftime of a game with the Boston Celtics. His coach, Scott Skiles, was not exactly impressed.
Jurors using popular microblogging service to post comments have thrown some cases into question. And a coach worries that NBA player's tweet at halftime sends the wrong message.