Proof-detecting thanks to a portable alcohol tester.

The article focuses on the invention of a suitcase-sized spectrometer that can be used to test the alcohol content of drinks served in bars. Germany's Chemical and Veterinary Investigation testing agency official Dirk Lachenmeier comments on the effectiveness of the portable testing kit. The cost of the spectrometer, which is manufactured by Unisensor Sensorsyseme in Germany, is noted.