A number of sensors have been developed to detect excessive alcohol consumption and prevent impaired drivers from starting their vehicles. The application has primarily been incorporated as a punitive step for repeat offenders. However, when a carmaker proposes a concept, the possibility of OEM use gets a step closer to reality — a step which could prevent or reduce deaths and accidents from drunk driving. Saab's Alcokey concept combines an alcohol sensor with engine immobilizer technology. A key fob with an integrated mouthpiece provides a sample of the alcohol content in the driver's breath to a small semiconductor sensor. An excessive level of alcohol prevents the engine from starting similar to the immobilizer in existing anti-theft systems. For more information on Saab's Alcokey concept go to: http://rbi.ims.ca/4914-505
A make-your-own Star Wars Sith Lightsaber hilt is heftier and better-looking than most others out there, according to its maker, Sean Charlesworth. You can 3D print it from free source files, and there's even a hardware kit available -- not free -- so you can build one just in time for Halloween.
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