There is no doubt that contemporary technology is the main engine of society's acceleration of growth and progress worldwide. It has become tactile for everything that people do daily. The smart stick ...

Deep-clean your gems If you want your rocks to really dazzle, take them in for a professional ultrasonic cleaning (your annual prong-check is a good opportunity to do this).

Abstract: Ultrasonic sensor measurements are mostly based on the determination of the time of flight (TOF). The development of a digital algorithm for pulse-echo measurement applications, based on the ...