Lasers, LEDs and light sources are devices that create light. LEDs (light emitting diodes) convert an electrical current into light using spontaneous emission in optically active semiconductors.

White light sources being several orders of magnitudes brighter than light bulbs, the manipulation of single photons or the smallest focal point in the world – these are just a few skills mastered or ...

The object was said to contain three light sources and images of it have gone viral on Chinese social media. A common description of the aerial object was that it was a 'misty ball of light' that ...

[Oneironaut] sent us another IR hack. This time it is a writeup on the best ways to create IR light sources from regular lights. Since normal flashlight bulbs emit a broad enough spectrum to ...

Light is something we use and need every day. It is a form of energy that allows us to see all around us! Lots of different sources produce light. Earth's main source of natural light is the Sun.

In today's world, the fight against counterfeiting is more critical than ever. Counterfeiting affects about 3% of global trade, posing significant risks to the economy and public safety. From fake ...

Physicists have created a new and long-lasting magnetic state in a material, using only light. The results provide a new way to control and switch antiferromagnetic materials, which are of interest ...

If your plants exhibit these physical signs of not getting enough light, it may be because your grow light is too far away or ...