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

Nanoparticles give up forensic secrets

A group of researchers from Switzerland has thrown light on the precise mechanisms responsible for the impressive ability of nanoparticles to detect fingermarks left at crime scenes.

Oct 01, 2014
4.7 / 5 (3) 0

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

List of search results for aluminium foil