When taking the Navy Physical Screening Test -- the common fitness test for jobs in the Navy that require swimming and diving ...

Teams are usually comprised of a country’s fastest individual swimmer in each stroke. The medley relay sequence is backstroke, breaststroke, butterfly, freestyle. Which swim stroke is the fastest?

The robots are called “butterfly bots,” because their swimming motion resembles the way a person’s arms move when they are swimming the butterfly stroke.

Researchers have set a new record for the fastest swimming soft robot ... Inflating the chamber bends the fins, mimicking the downward stroke of a manta ray’s fin flap. When the air is released ...

A team of researchers has beaten its own record for the fastest swimming soft robot, drawing inspiration from manta rays to improve ... Inflating the air chamber forces the fins to bend – similar to ...