Traditional solar cells harvest only a narrow sliver of the electromagnetic energy pouring down onto Earth, and that's one of the reasons it's been so challenging to get solar efficiency beyond 20-30 ...

The technology hinges on what physicists call a frequency comb -- a laser that emits many distinct colors, or wavelengths, evenly spaced across the optical spectrum.

Ottawa raised more than $2.1 billion in the auction, which saw many companies increase their capacity to transmit voice and data over their wireless networks. The auction was tail ...

Radio astronomy opens a window onto the invisible universe. While our eyes can detect visible light, countless objects in ...

mmWave spectrum secured – EE, O2, and VodafoneThree will pay a combined £39 million to enhance 5G capacity in crowded UK ...

For patients with darker skin tones, colorblind energy-based devices and longer-wavelength lasers are considered safest, according to Arielle Kauvar, MD, director of New York Laser & Skin Care and ...

CAMBRIDGE, Mass. -- Engineers from Harvard University have demonstrated a highly versatile, compact and portable Quantum Cascade Laser sensor for the fast detection of a large number of chemicals, ...

"This project specifically focuses on nonmelanoma skin cancers, such as basal cell carcinoma or squamous cell carcinoma," said Willomitzer. "Those skin cancers can display significantly different ...