The Wheatstone bridge is a ubiquitous circuit configuration that is useful in detecting small changes in resistance.

During the past week, an absence of moonlight has helped the British troops to place UGSs - unattended ground sensors - in key positions. The UGSs pick up movement, light, sound and heat sources ...

Scientists are working toward a better way to monitor plant health from above the ground without disturbing their environment. The breakthrough improves the measurement of solar-induced chlorophyll ...