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gravity
Trends
- 1
A Quanta Magazine article explaining the holographic principle in physics is being discussed on Hacker News. The idea is that gravity in a volume of space can be described by information encoded on that volume's boundary, as in the AdS/CFT correspondence, suggesting three-dimensional reality may emerge from lower-dimensional information. Commenters on the post are debating what this implies about the fundamental nature of space, time and whether reality is a projection.
- 2Debate over NAZA film's Gaza allegations and journalistic standards●NAZA’s claims about IDF conduct in Gaza are grave. So are the film’s journalistic flaws
The Times of Israel highlights controversy around NAZA, a documentary making serious allegations about the conduct of Israeli soldiers in Gaza. Commentary acknowledges the gravity of the claims while also pointing to significant journalistic shortcomings in the film's sourcing and methods, fueling arguments on both sides about its credibility and the underlying questions it raises.
- 3
Researchers have developed the world's most accurate atomic clock, an advance reported by Phys.org. The new clock pushes precision beyond previous devices, improving timekeeping so finely that it could lose essentially no time over the age of the universe. Such clocks underpin GPS, telecommunications and fundamental physics tests, including measuring gravity's effect on time and searching for dark matter.