News tagged with aluminium foil

Amazing skin gives sharks a push

Shark skin has long been known to improve the fish's swimming performance by reducing drag, but now George Lauder and Johannes Oeffner from Harvard University show that in addition, the skin generates thrust, ...

Feb 09, 2012
4.5 / 5 (4) 0 | with audio podcast

I'm forever imploding bubbles

The National Physical Laboratory (NPL) has developed the first sensor capable of measuring localized ultrasonic cavitation - the implosion of bubbles in a liquid when a high frequency sound wave is applied. The sensor will ...

Apr 07, 2009
4.7 / 5 (3) 1

Search results for aluminium foil

Laser makes sure food is fresh

Minced meat, bread, fruit juice and many other foods are packaged in a protective gas which extends their shelf life. There is currently no good method to check whether the packaging has the correct gas content. However, ...

Oct 20, 2011
not rated yet 0

Safer swiping while voting and globetrotting

Since 2007, every new U.S. passport has been outfitted with a computer chip. Embedded in the back cover of the passport, the "e-passport" contains biometric data, electronic fingerprints and pictures of the ...

Apr 15, 2010
4.8 / 5 (4) 2 | with audio podcast

Where has all the antimatter gone?

Scientists from the Universities of Liverpool and Glasgow have completed work on the inner heart of an experiment which seeks to find out what has happened to all the antimatter created at the start of the Universe. Matter ...

Apr 11, 2007
4 / 5 (46) 0

List of search results for aluminium foil