News tagged with water surface

Rethinking surface tension

(Phys.org) —If you've ever watched a drop of water form into a bead or a water strider scoot across a pond, you are familiar with a property of liquids called surface tension.

Aug 30, 2013
4.9 / 5 (7) 0 | with audio podcast

What percent of Earth is water?

The Earth is often compared to a majestic blue marble, especially by those privileged few who have gazed upon it from orbit. This is due to the prevalence of water on the planet's surface. While water itself ...

Dec 02, 2014
4.9 / 5 (7) 8

Alpine lakes reflect climate change

Increases in temperature as a result of climate change are mirrored in lake waters where temperatures are also on the rise. A new study, by Dr. Martin Dokulil, retired researcher from the Institute for Limnology at the University ...

Jun 06, 2013
3.8 / 5 (8) 13

Jumping droplets help heat transfer

Many industrial plants depend on water vapor condensing on metal plates: In power plants, the resulting water is then returned to a boiler to be vaporized again; in desalination plants, it yields a supply of clean water. ...

Jan 03, 2013
5 / 5 (5) 0 | with audio podcast

That's the way the droplets adhere

Understanding exactly how droplets and bubbles stick to surfaces—everything from dew on blades of grass to the water droplets that form on condensing coils after steam drives a turbine in a power plant—is ...

Feb 19, 2013
5 / 5 (5) 1 | with audio podcast