CINEMA mission will explore auroras and Earth's mysterious magnetotail

Every winter, thousands of tourists travel to high-latitude regions like Scandinavia, Canada, and Alaska hoping to see the Aurora Borealis or Northern Lights. Vincent Ledvina, an aurora guide and Ph.D ...
Techno-Science.net on MSN

Why are winter skies so colorful?

Have you ever noticed that winter skies often seem more colorful and intense than those of other seasons? This palette, particularly visible during the cold months, is not just a ...

Does Blue Light Affect Sleep & Do Glasses Help? What The Research Actually Shows

Gainesville, GA / Syndication Cloud / February 20, 2026 / Sleep ZM The Blue Light Question Everyone’s Asking If you’ve ...
IEEE

Wavelength-Selective Coupling to Vertical Higher Order Modes in a 500-nm-Thick Silicon Multimode Waveguide Using Long- and Short-Period Gratings

Abstract: This work explores thick silicon multimode waveguides (MMWs), focusing on vertical multimode operation. We present grating-assisted coupling structures to efficiently convert the fundamental ...
Compound Semiconductor

Vexlum: Expanding VECSEL production capacity

To ramp production of its VECSELs for the quantum tech industry, Finish start-up Vexlum is investing in its clean room, including the addition of an MBE tool. When designing any product, there’s a ...

Advanced Candela Laser Systems Now Available at Reborn Laser Clinic

Reborn Laser Clinic Expands Advanced Laser Treatment Capabilities with Candela GentleMax Pro Plus® and PicoWay® Systems ...

A 'blood moon' is coming to the US in March—and the next good one isn't until 2029

A total lunar eclipse will cross the skies over the contiguous United States on Tuesday, March 3, turning the moon a deep ...

Deer Create Mysterious Ultraviolet Signals That Glow in Forests

Deer have the ability to see ultraviolet light, and a recent study shows they can also leave a glowing trail visible in those wavelengths, too. The discovery casts a whole new light on the way deer ...
Scientific American

Exotic black hole stars could explain the mystery of Little Red Dots

Since it turned on, the James Webb Space Telescope has revealed dozens of mysterious red blobs in space. The so-called Little ...
The Engineer

New compact silicon avalanche photodiode series launched

This next-generation of Si APDs offers enhanced sensitivity in the UV to visible region for short wavelength applications. Hamamatsu Photonics introduces the S17268 Series, a new silicon avalanche ...