Bats have an ambulance in their ears

Anybody who has been passed by an ambulance at high speed has experienced a physical effect called the Doppler shift: As the ambulance moves toward the listener, its motion compresses the siren's sound waves and raises the ...

Jumping drops get boost from gravity

A decade ago a new idea was brought into the general scientific community—shedding water from condensers was more efficient by using surface tension to make microscopic water droplets "jump" off the surface. The idea took ...

New three-foot-tall relative of Tyrannosaurus rex

A new relative of the Tyrannosaurus rex—much smaller than the huge, ferocious dinonsaur made famous in countless books and films, including, yes, "Jurassic Park—has been discovered and named by a Virginia Tech paleontologist ...

Developing a model critical in creating better devices

Water is everywhere. Understanding how it behaves at an intersection with another material and how it affects the performance of that material is helpful when trying to develop better products and devices. An undergraduate ...

page 20 from 40