The Compass LED surgical microscope integrates high performance features for sharply focused imaging and user-friendly functionality. The compass LED offers superb optical performance with 6-step ...

Here is an economical way to experiment with light, color, and optics. You get one Red LED light source, one Green LED light source, and one Blue LED light source. The three LEDs can be controlled ...

Physicists in the US have created the first nanoscale coaxial cables for the transmission of light. Operating much like the coaxial cables used to distribute television and radio signals, the cables ...