News tagged with water surface

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.

dateNov 11, 2014 in General Physics
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Video: The anatomy of a raindrop

When asked to picture the shape of raindrops, many of us will imagine water looking like tears that fall from our eyes, or the stretched out drip from a leaky faucet. This popular misconception is often reinforced in weather ...

dateDec 11, 2013 in Earth Sciences
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Signs of extensive groundwater system on Mars

In its early years, planet Mars comprised large volumes of groundwater, which regularly flowed to the surface. This is the conclusion reached by Utrecht University's PhD candidate Wouter Marra following observations and scale ...

dateMay 20, 2015 in Space Exploration
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The importance of plumes

The Hubble Space Telescope is famous for finding black holes. It can pick out thousands of galaxies in a patch of sky the size of a thumbprint. The most powerful space telescope ever built, the Hubble provided evidence that ...

dateApr 18, 2014 in Space Exploration
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