How would a dolphin and a human swimmer compare in a race?

Obviously dolphins are far better swimmers than humans. They would totally hand us our asses in a race. But just how lopsided would the contest be? A recent experiment shows it's not even close — and dolphins are even stronger in the water than we thought. » 1/16/14 1:59pm 1/16/14 1:59pm

Supercavitation might change the way we go to sea

Cavitation happens when movement in water makes it erupt into bubbles. But there's also something called supercavitation, and it might make zooming through the sea a great deal faster. » 12/22/13 8:00am 12/22/13 8:00am

This off-road robot could help revolutionize the exploration of other…

You're looking at the future of space exploration: a robot who can move fast though slippery, sandy terrain. With the help of new experimental techniques, robots inspired by the one above could one day be used for search-and-rescue missions, or exploring the surface of Mars, with unprecedented speed and mobility. » 3/21/13 11:14am 3/21/13 11:14am