The Korea Research Institute of Standards and Science (KRISS) has developed an ultrasonic sensor technology that applies a ...
Ultrasonic sensors measure the distance between a target and the sensor using high-frequency sound waves that are inaudible to humans. The process is simple: the sensor emits ultrasonic waves, which ...
A new kind of burglar alarm, just patented last week, has already put a crimp in the burglar business. Developed by Samuel Bagno and manufactured by the Alertronic Corp. of Long Island City, the ...
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