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Ready, aim, fire—the latest health trackers use sensors to check your urine for proper hydration, ketone levels, and possible ...

Every serious gearhead knows that the right USB gadget can turn a cluttered garage into a smart, efficient workshop. From ...

Abstract: Aiming at the demand of oxygen partial pressure measurement in aerospace and aviation, a tunable diode laser absorption spectroscopy (TDLAS) technique is proposed to realize the oxygen ...