Landsat 7 satellite shows tsunami effects in Sendai, Japan

Before and after images from the Landsat 7 satellite show the after effects of the tsunami that followed the 9.0 earthquake off of Japan's east coast last weekend. A side-by-side comparison reveals inland areas inundated ...

What's driving erosion worldwide?

ETH Zurich researchers are reexamining the causes of soil erosion around the world—and have found that countries themselves have a surprisingly strong influence on their soil. This country effect was previously undetected.

Physicists report optical analog of Kármán vortex street

In a study published in Nature Communications, collaborating physicists from Singapore and the UK have reported an optical analog of the Kármán vortex street (KVS). This optical KVS pulse reveals fascinating parallels between ...

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