Light does a lot of work in the modern world, enabling all types of information technology, from TVs to satellites to ...

Some neurological disorders can be improved through photobiomodulation, a non-invasive technique based on the application of low-intensity light to stimulate altered functions in specific regions of ...

Interferometers, devices that can modulate aspects of light, play the important role of modulating and switching light signals in fiber-optic communications networks and are frequently used for gas ...

Learn how to determine the observed intensity of a supernova using core physics ideas like luminosity, distance, and the inverse-square law. This video walks through the reasoning and calculations ...