Wrist pulse oximeters can look similar, making it hard to decide which one to buy. This in-depth guide covers everything you need to know to find your best fit.

Lithium-ion batteries power phones, laptops, electric vehicles, satellites, and much of modern life, but their rise was built on a dangerous problem. Early lithium batteries delivered huge energy ...

Abstract: This article introduces an inexpensive Wiegand-sensor-based rotary encoder that avoids rotating magnets and is suitable for electrical-drive applications. So far, Wiegand-sensor-based ...

Rechargeable LED lamps save energy primarily because LED technology is significantly more efficient than traditional incandescent bulbs. With energy bills recently rising once again, shoppers have ...

Abstract: Measurement of heat flux and temperature is of high importance in the heat conduction process. Current heat flux sensors can hardly meet the requirements of compact size and fast response.