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Chinese team tackles a century-old puzzle in physics: can we travel back in time?

Chinese researchers have proposed a simple yet powerful theory to explain one of physics’ oldest puzzles: why time only moves forward and why travelling to the past remains impossible. Physicist Cai Q...

Dec 25South China Morning PostScience

Author Correction: Rolling back human pluripotent stem cells to an eight-cell embryo-like stage

Nature, Published online: 23 December 2025; doi:10.1038/s41586-025-10044-8 Author Correction: Rolling back human pluripotent stem cells to an eight-cell embryo-like stage...

Dec 23NatureScience

Dark matter may be made of pieces of giant, exotic objects — and astronomers think they know how to look for them

Searches for dark matter particles have come up empty so far, driving theorists to get more creative with their ideas....

5dSpace.comScience

SomaliScan – US Fraud aggregator sourced from public records

Article URL: https://www.somaliscan.com/ Comments URL: https://news.ycombinator.com/item?id=46440621 Points: 5 # Comments: 0...

1dHacker NewsTechnologyImpact

Non-Zero-Sum Games

Article URL: https://nonzerosum.games/ Comments URL: https://news.ycombinator.com/item?id=46432311 Points: 4 # Comments: 0...

2dHacker NewsTechnologyImpact

MHC: Manifold-Constrained Hyper-Connections

Article URL: https://arxiv.org/abs/2512.24880 Comments URL: https://news.ycombinator.com/item?id=46452172 Points: 7 # Comments: 1...

9hHacker NewsTechnologyImpact

Fifteen Most Famous Transcendental Numbers

Article URL: https://sprott.physics.wisc.edu/pickover/trans.html Comments URL: https://news.ycombinator.com/item?id=46443579 Points: 9 # Comments: 0...

1dHacker NewsScienceImpact

L1TF Reloaded

Article URL: https://github.com/ThijsRay/l1tf_reloaded Comments URL: https://news.ycombinator.com/item?id=46440695 Points: 3 # Comments: 0...

1dHacker NewsTechnologyImpact

Prof. Software Developers Don't Vibe, They Control: AI Agent Coding Use in 2025

Article URL: https://arxiv.org/abs/2512.14012 Comments URL: https://news.ycombinator.com/item?id=46437391 Points: 9 # Comments: 3...

1dHacker NewsTechnologyImpact

50,000 drums of radioactive wastes were dumped near the Farallones, 1946 to 1970

Article URL: https://pubs.usgs.gov/fs/farallones/ Comments URL: https://news.ycombinator.com/item?id=46427181 Points: 6 # Comments: 1...

2dHacker NewsenvironmentImpact

Show HN: I derived Planck mass from sphere packing – 0.574 ppm, zero free param

Article URL: https://zenodo.org/records/18089296 Comments URL: https://news.ycombinator.com/item?id=46425371 Points: 3 # Comments: 1...

2dHacker NewsScienceImpact

Feynman's Hughes Lectures: 950 pages of notes

Article URL: https://thehugheslectures.info/the-lectures/ Comments URL: https://news.ycombinator.com/item?id=46419273 Points: 8 # Comments: 0...

3dHacker NewseducationImpact

PySDR: A Guide to SDR and DSP Using Python

Article URL: https://pysdr.org/content/intro.html Comments URL: https://news.ycombinator.com/item?id=46413975 Points: 3 # Comments: 0...

3dHacker NewsPoliticsImpact

Designing Predictable LLM-Verifier Systems for Formal Method Guarantee

Article URL: https://arxiv.org/abs/2512.02080 Comments URL: https://news.ycombinator.com/item?id=46411539 Points: 5 # Comments: 0...

4dHacker NewsTechnologyImpact

A Century of Noether's Theorem

Article URL: https://arxiv.org/abs/1902.01989 Comments URL: https://news.ycombinator.com/item?id=46402611 Points: 3 # Comments: 0...

5dHacker NewsScienceImpact

Verdichtung

Article URL: https://alexeygy.github.io/blog/verdichtung/ Comments URL: https://news.ycombinator.com/item?id=46400242 Points: 5 # Comments: 0...

5dHacker NewsTechnologyImpact

Quantum Error Correction Goes FOOM

Article URL: https://algassert.com/post/2503 Comments URL: https://news.ycombinator.com/item?id=46383233 Points: 4 # Comments: 0...

Dec 25Hacker NewsTechnologyImpact

Resistance training load does not determine hypertrophy

Article URL: https://physoc.onlinelibrary.wiley.com/doi/10.1113/JP289684 Comments URL: https://news.ycombinator.com/item?id=46448998 Points: 6 # Comments: 0...

19hHacker NewsHealthImpact

All-optical synthesis chip for large-scale intelligent semantic vision

Article URL: https://www.science.org/doi/10.1126/science.adv7434 Comments URL: https://news.ycombinator.com/item?id=46447827 Points: 5 # Comments: 0...

21hHacker NewsTechnologyImpact

UK company sends factory with 1,000C furnace into space

Article URL: https://www.bbc.co.uk/news/articles/c62vx0pgyrgo Comments URL: https://news.ycombinator.com/item?id=46442293 Points: 7 # Comments: 0...

1dHacker NewsTechnologyImpact

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