The dark side of light: negative frequency photons

The impact of something we thought couldn't exist has now been detected.

The Electromagnetic Spectrum

Why does my room get dark when I turn the lights off even if my

Matrix: Die Welt – eine Computersimulation? (Videos)

Photonics, Free Full-Text

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Possible fates of excitation energy once a photon of light is

Ars Technica

Chapter 2 - Blue Light and Displays

Frontiers Non-Diffracting Light Wave: Fundamentals and

Scientists observed quantum spin liquids, a state of matter predicted 50 years ago. In quantum spin liquid, the electrons don't stabilize when cooled, don't form into a solid, & are constantly changing