If there is one star that serves to announce the arrival of fall as the leaves have begun to turn, unquestionably that title ...

F or centuries, dating back to long before the invention of the telescope, people have reported odd flashes that sometimes ...

This is the last of three blog posts associated with this week’s episode of Cosmos: A Spacetime Odyssey, which addresses life in the universe. Read the first and second here. Someday, in the not too ...

If you think of a single atom as a grain of sand, then a wavelength of visible light—which is a thousand times larger than ...

Scientists have created the first real-time 3D simulations of how lasers alter the quantum vacuum. Using cutting-edge computational modeling, scientists from the University of Oxford, in collaboration ...

Exposure to light sources at night may affect your circadian rhythm and therefore your overall quality of sleep.

Materials scientists can learn a lot about a sample material by shooting lasers at it. With nonlinear optical microscopy—a ...

Abstract: The use of fluorescent antennas in visible light communications (VLC) can significantly enhance the transmission performance by providing both a high optical concentration gain and a wide ...

This accomplishment can significantly improve data center efficiency and drive innovations in LiDAR, sensing, and quantum tech. Microcombs Shrink Lab-Grade Precision Onto a Chip  The researchers ...

Updates from the Fed and BoC are top of mind for traders today, with the former garnering the majority of the attention at 6:00 pm GMT. The Fed is all but certain to ease policy by 25 bps today, ...

A tunable FEL generates narrowband terahertz radiation, which is focused onto the s-SNOM tip and is backscattered into a photoconducting detector. Inset: terahertz light scatters off the edge of a ...