News tagged with earth

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Cracker-sized satellites launch into orbit

(Phys.org) —After years of planning and several last-minute delays, about 100 Cornell-developed mini satellites demonstrating space flight at its simplest have launched into orbit and are now circling Earth.

Apr 25, 2014
4.7 / 5 (7) 4

How ancient impacts made mining practical

About 1.85 billion years ago, in what would come to be known as Sudbury Canada, a 10 kilometer wide asteroid struck with such energy that it created an impact crater 250 kilometers wide. Today the chief industry of Sudbury ...

Sep 23, 2014
4.4 / 5 (10) 0

Recycling the next generation

About 70 billion tons of raw materials are extracted world wide annually. That is twice as much as at the end of the 1970s. This trend is continuing – even with finite resources. One way to have enough ...

May 01, 2014
3.7 / 5 (3) 1