Archive: 19/08/2009

Flying by the skin of our teeth

It's been a mystery: how can our teeth withstand such an enormous amount of pressure, over many years, when tooth enamel is only about as strong as glass? A new study by Prof. Herzl Chai of Tel Aviv University's School of ...

dateAug 19, 2009 in Engineering
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Long-standing sunspot puzzle solved

( -- Scientists at the Universities of Glasgow, Strathclyde and Central Lancashire have used 21st Century solar observations and image processing to finally solve a sunspot puzzle first noticed in the 18th Century.

dateAug 19, 2009 in Space Exploration
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The Ultimate Long Distance Communication

Anyone who's vacationed in the mountains or lived on a farm knows that it's hard to get good internet access or a strong cell phone signal in a remote area. Communicating across great distances has always been a challenge. ...

dateAug 19, 2009 in Space Exploration
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