News tagged with speed

An air cushion for falling droplets

Falling droplets bounce as many as fifteen times before they come to rest on a flat surface. In the past, it was believed that this phenomenon is limited to water drops on superhydrophobic surfaces.

Nov 11, 2014
4.4 / 5 (12) 10

Supersonic laser-propelled rockets

Scientists and science fiction writers alike have dreamt of aircrafts that are propelled by beams of light rather than conventional fuels. Now, a new method for improving the thrust generated by such laser-propulsion ...

Oct 29, 2014
4.8 / 5 (19) 0

Dwindling wind may tip predator-prey balance

Bent and tossed by the wind, a field of soybean plants presents a challenge for an Asian lady beetle on the hunt for aphids. But what if the air—and the soybeans—were still?

Sep 19, 2014
5 / 5 (6) 0