The sensor of some optical mice can be used to easily and cheaply detect counterfeit euros, according to a study published by researchers of the University of Lleida (UdL) in the scientific journal Sensors.
Almost 80% of counterfeit coins discovered in Europe in 2008 were two-euro coins. The sensor, incorporated in optical computer mice, is usually used to guide cursor movement, but can also be used as a counterfeit coin detector. This ...
Full Article: Counterfeit Euros Are Detected With an Optical Mouse - Science Daily
