Discover where black falls on the color spectrum and how human perception of colors is subjective and context-dependent in this insightful article.

n = 4.5. Credit: D D’Enterria/ALICE Collab. In high-energy collisions at the LHC, prompt photons are those that do not originate from particle decays and are instead directly produced by the hard ...

The disappearance of free electrons meant that photons, the fundamental particles of light ... the end of the universe’s dark ages," study team member and Chandra X-Ray Center scientist Thomas Connor ...

X introduces a new dedicated video feed featuring short-form videos. The feature is live for US users, with a possible rollout to other regions later on. You can access it using the videos tab located ...

X has started rolling out a dedicated video tab in its mobile app, allowing users to gain instant access to videos. “An immersive new home for videos is rolling out to users in the US today,” ...

This novel X-ray source offers immense potential for scientific ... This indicates that the electrons, ions, and photons within the plasma do not share a uniform temperature.

US scientists create the world's brightest X-ray source using metal foam and the NIF laser, with potential applications in fusion energy.

Classical research methods showed that generating entangled photons often required large crystals and hefty amounts of energy. Smaller, more efficient systems long stood as a kind of holy grail for ...

The two astronauts have a busy day ahead of them. Hague and Williams will "patch light leaks in the NICER X-ray telescope, then ready the Alpha Magnetic Spectrometer for future upgrades," NASA ...

In addition to creating the X-ray source, the researchers explored ... with electrons, ions and photons all having around the same temperature. "Going forward, this means we need to rethink ...