In the image above you can see the silver cylinder which houses the laser diode. It is focusing the beam on a light dependent resistor to the right which looks almost like a red LED due to the ...

Here’s a surprisly simple way to build yourself a laser-based listening device. It consists of two modules, a transmitter and a receiver. The transmitter is a set of lasers, one is visible red ...

Kansas City Chiefs. Philadelphia Eagles quarterback Jalen Hurts' 22-yard sideline strike connects with running back Saquon Barkley deep inside the red zone. Philadelphia Eagles' linebacker Josh ...

However, accessing orange wavelengths with solid-state materials is difficult, especially if a combination of powerful continuous-wave emission, high beam ... first laser operation of a Sm 3+-doped ...

Mature (white scars) Hypertrophic or keloidal (inflamed and thickened scars) Dark pigmentation (discoloration is not true scarring and usually slowly resolves without treatment) Erythematous (pink or ...