Ultraviolet-B (UV-B) semiconductor lasers are highly sought for medical, biotechnology, and precision manufacturing applications; however, previous UV-B laser diodes were limited to pulsed operation ...

Scientists have shown that twisting a crystal at the nanoscale can turn it into a tiny, reversible diode, hinting at a new era of shape-engineered electronics.

For switching high-powered loads from a microcontroller, or for switching AC loads in general, most of us will reach into the ...

Laser wire scanners have been used for ion beam profile and emittance measurements at the Spallation Neutron Source linear accelerator. Due to propagation distances exceeding 100 m, reliable ...

Learn how to use the X-Ray in Quarantine Zone: The Last Check to spot damaged organs and signs of infection.

Electric-vehicle range is majorly affected by subzero temperatures. Follow our tips to avoid being stuck with an ice-cold ...

For instance, researchers use the backyard sightings that users submit to Project FeederWatch —a joint program run by the Cornell Lab of Ornithology and Birds Canada —to track long-term changes in ...

I discovered a little-known way to power your home during an outage - here's how ...

Using the ATX 9801 is easy -- plug one end into a mains outlet, and it acts like a short extension lead with a digital display. The socket on the front accepts pretty much every power plug worldwide, ...