The potential sources of energy that can be harvested for free—or close to it—almost defy imagination. While some, such as wind, fluid flow, and solar, are somewhat obvious, others are not. Consider ...

Polymer-coated cotton fabric generates electricity from ambient humidity day and night, powering LEDs for over 24 hours and ...

There’s a huge variety of ways that we can potentially generate all the power we need for tiny medical sensors or other devices with minimal power needs. But there’s often a big gap between those ...

Taking advantages of intramolecular motion of D-A based aggregation-induced emission (AIE) molecular rotors and one-dimensional (1D) polymer fibers, highly sensitive optical fiber sensors that respond ...

Wagner Meters announces a new monitoring device that tracks and documents ambient temperature and relative humidity conditions discretely and constantly, even when you are away from the job site.

Graphic image of a thin film of protein nanowires generating electricity from atmospheric humidity. (Courtesy: UMass Amherst/Yao and Lovley labs) Scientists in the US claim to have developed a device ...

This is a preview. Log in through your library . Abstract We examined the effect of water stress on the ventilation of 4-mo-old unfed adult female Dermacentor andersoni using a CO₂ flow-through ...

Engineers now have two multifunctional transmitters at their fingertips for measuring relative humidity and temperature. The HT737 is a digital unit that measures ...