LED face masks are a fast-growing skincare trend, but do they work? A physician reviews the clinical evidence, regulatory gaps and what to look for before you buy.

Every second, the data behind billions of emails, TikTok videos and AI queries travels around the world as pulses of light ...

First-in-human healthy volunteers trial showed SYX-5219 was safe and well tolerated Systemic immunomodulation of type 2 inflammation demonstrated with reduction in serum CCL17/TARC Phase 1b trial in ...

A new nanoscale design channels hybrid light–vibration waves to carry heat more efficiently, allowing better thermal management in compact, energy-hungry electronics. Credit: College of Design and ...

The speed of light in a vacuum has been known as both a universal constant and a hard speed limit for all matter in the universe ever since Albert Einstein published his special theory of relativity ...

For the first time, researchers have detected empty voids moving faster than the speed of light — and they blazed past that cosmic speed limit without breaking the laws of relativity. A recent study ...

Scientists have proposed a surprising new way to detect gravitational waves—by observing how they change the light emitted by atoms. These waves can subtly shift photon frequencies in different ...

The following is an extract from our Lost in Space-Time newsletter. Each month, we dive into fascinating ideas from around the universe. You can sign up for Lost in Space-Time here. When physicist ...

A research team led by Professors Jiafu Wang and Jue Qu has jointly developed an eye-tracking-driven, polarization-agile, and ...

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Here’s what you’ll learn when you read this story: Although people often say nothing travels faster than the speed of light, this cosmic speed limit only pertains to particles with information or mass ...

Albert Einstein famously discovered that nothing with mass, not even supersonic sound, is faster than the speed of light. For over a century we have operated with this belief. But, in reality, we’ve ...