Archive: 08/10/2010

Richer nations have cleaner banknotes

The richer, more developed and more economically free a country, the fewer bacteria its banknotes carry. Also the material and the age of the banknotes - or the money has a lot wrinkled - is of influence on the degree of ...

Aug 10, 2010 5 / 5 (1) 0

Micromachines for a safer world

Tiny sensors known as accelerometers are everywhere. The near-weightless technology can measure the impact of a dangerous tackle on a football player's helmet, control the flow of highway and runway traffic, analyze a golf ...

Aug 10, 2010 5 / 5 (2) 0