The dark side of light: negative frequency photons

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

Telescope Array detects second highest-energy cosmic ray ever – @theU

How Photons Meet Atoms

Limits on the luminance of dark matter from xenon recoil data

Light - Emission, Absorption, Processes

Words of the Whirl Wind — Gaster, Chara and how he may have vanished.

Matrix: Die Welt – eine Computersimulation? (Videos)

SkinSonic LED Ultrasonic Wand

How does the light regain its original speed after passing through

Words of the Whirl Wind — Gaster, Chara and how he may have vanished.

The Photoelectric Effect

Dark energy is the product of quantum universe interaction

Ars Technica

What does frequency of a photon mean? When we say that frequency