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An app knows if a beer has gone stale
18 May 2016 9:00
SINC

Chemists at the Complutense University of Madrid have developed a method that allows brewers to measure the freshness of beer, using a polymer sensor that changes colour upon detecting furfural, a compound that appears when this beverage ages and gives it a stale flavour. The sensor can be controlled from a smartphone app also created by the team.

A new sensor uses sound to diagnose faults in industrial machinery
5 March 2014 9:36
SINC

Researchers at the Polytechnic University of Catalonia (UPC) have developed wireless sensors able to detect minute fissures in industrial machinery by the ultrasonic waves they emit, with which the fault can be located early before a serious breakdown occurs. The team is studying potential applications of this innovation in biomedicine to prevent bone fractures.

A sensor detects salt on the road to avoid excess
28 January 2014 8:54
SINC

Engineers at Carlos III University in Madrid, Spain, have designed an optical sensor that detects how much salt is on road surfaces in real time. This avoids the need to spread the substance excessively, because although this prevents ice from forming on roads, it can also harm vehicles, infrastructure and the environment.