Today will remain cold and dry, and after a few hazy bright spells in the morning. In the afternoon cloud will gradually thicken from the west. Tonight Tonight will become overcast and windy with ...

Optical sensors are a broad class of device for detecting light intensity. This can be just a simple component for notifying when ambient light levels rise above or fall below a prescribed level ...

Fibre optics and optical communications is the use of thin strands of glass for sending information encoded into light over long distances. Total internal reflection prevents light inserted into ...

Andrew Stanton is a Newsweek weekend reporter based in Maine. His role is reporting on U.S. politics and social issues. Andrew joined Newsweek in 2021 from The Boston Globe. He is a graduate of ...