Imagine shining a flashlight into a material and watching the light bend backward—or in an entirely unexpected direction—as ...

Residents of Russia's Sakhalin region were treated to a surreal sight recently: what looked like two suns rising side by side in the morning sky. The .

Researchers at Tsinghua University developed the Optical Feature Extraction Engine (OFE2), an optical engine that processes data at 12.5 GHz using light rather than electricity. Its integrated ...

For good reason, security cameras continue to grow in popularity, and we can expect them to become even more reliable and affordable this year. While we don't necessarily require super high-res ...

BRYAN, Texas (KBTX) - In the midst of a foggy Thursday morning, an arc of white stretched above the horizon, catching the eye of many across the Brazos Valley. While similar to a rainbow, this ...

Ionospheric scintillation refers to rapid fluctuations in the power and phase of radio signals as they propagate through the Earth’s ionosphere. These fluctuations are caused by electron density ...

Here's what happens as the direct rays of the sun slip south of the equator as the seasons change. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works ...

Optical dispersion occurs when the refractive index of a material changes with the wavelength of incoming light. This variation causes different colors to move at different speeds in transparent media ...