Particles in flowing granular material can cluster like a stream forming droplets as it comes out of a faucet. The clustering is due to attractive forces that create a weak surface tension in grains ...

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Researchers in Germany have discovered “cluster glass”, a new class of materials, which, they say, shows promise for replacing white light sources such as LEDs. The scientists comment that white light ...

A team of astronomers used a cluster of galaxies like a magnifying glass to discover two never-before-seen distant galaxies. Pandora's Cluster warps the fabric of space-time, creating a visual effect ...