Man-mad world – diagrams show how technology has taken over Earth

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Global map showing major road and rail networks over land, along with transmission line and underwater cable data superimposed over satellite images of cities illuminated at night

The images show silvery threads stretching around the dark globe that create a dramatic spider’s web showing the patterns of our global sprawl. (Pics)

 

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Airplanes can alter weather increasing chances of rain and snow: Study

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Aircraft increase the chances of snow or rain when they punch holes in clouds after taking off.

Airplanes can influence local weather when they take off and land.  Aircraft increase the chances of snow and rain during take off and landing, according to a  new study, published in the ‘Science’ journal. The finding is based on satellite images of clouds around airports.

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New Spin Record Set By Matchbook-Sized Motor

New Spin Record Set By Matchbook-Sized Motor 

 Test of the new motor from ETH Zurich’s Department of Power Electronics exceeds 1,000,000 rpm in the digital readout.

Industrial motors can spin at a head-spinning 250,000 revolutions per minute. But a new matchbook-sized motor runs circles around the competition.

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