Instead of succumbing to the latest hair trends by demanding "espresso brown" or "butter blonde," more and more women are matching their hair to their skin tone. While for a long time, "tone-on-tone" ...

An international team of researchers has introduced a simple technique to fabricate full-color perovskite LEDs. Perovskite nanoparticles is regarded as next-generation of optical materials that can ...

New research demonstrates the possibility of tuning the color of a GaN LED by changing the time sequence at which the operation current is provided to the device. A new technique -- the result of an ...