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A Century of Noether's Theorem

https://arxiv.org/abs/1902.01989
34•fanf2•2h ago

Comments

quchen•1h ago
Noether is one of my heroes. Rising through the ranks to one of the greatest minds we've known, recognized in spite of being a woman in a time where that was unthinkable in science, all odds against her. And yet here she is, the name of one of the most basic, and most beautiful, concepts in physics. The inventor of abstract algebra too (which I hear is as significant, it's just not my domain).

So many great minds have had to fight an uphill battle, but few had it as steep and even fewer were as successful as her doing so.

It really is a shame that she's not as recognized as the Bohrs and Feynmans and Paulis and so on, but at least everyone with a passing interest in theoretical physics ought to know about her.

esafak•1h ago
I wish invariant theory was taught outside of physics and maths departments. Engineers are missing out.
srean•52m ago
A much restricted case is/(used to be) taught to computer vision students. It's needed to generate features that are invariant to shift, rotation and scaling.

https://mitpress.mit.edu/9780262132855/geometric-invariance-...

diego898•16m ago
As an engineer, this and the principle of least action occupy my wall of “things I think are super deep and maybe mysterious* and interesting and I wish I understood deeply”

* interpret generously

Internal Combustion Engine Acoustic Synthesis

https://jott.live/html/eng_sound
1•brrrrrm•2m ago•0 comments

John Hopkins' Center for Talented Youth

https://cty.jhu.edu/
1•keepamovin•4m ago•0 comments

Yann LeCun's VL-JEPA – The breakthrough that gives AI "imagination"

https://hisohan.substack.com/p/yann-lecuns-vl-jepa-the-breakthrough
1•ronniebasak•6m ago•0 comments

The Boom in Mexican Trade

https://www.wsj.com/economy/trade/mexico-exports-us-trump-tariffs-e891510a
1•paulpauper•6m ago•0 comments

Thomson Reuters: The Trust Principles

https://www.thomsonreuters.com/en/about-us/trust-principles
1•tosh•11m ago•0 comments

Parking Lot designs can be much safer

https://mkaz.blog/dataviz/parking-lot/
2•marcuskaz•14m ago•2 comments

War on Thanksgiving

https://waronthanksgiving.com/
1•pinkmuffinere•15m ago•0 comments

Show HN: Space AI SIM – Orbital mechanics and power systems simulator

https://spaceai.tonycletus.com/
1•omojo•15m ago•0 comments

Lost Science: She Studied the Health Effects of Wildfires

https://www.nytimes.com/2025/12/27/science/trump-wildfires-vance-epa.html
1•doener•15m ago•0 comments

7.0-magnitude earthquake rattles Taiwan

https://www.dw.com/en/70-magnitude-earthquake-rattles-taiwan/a-75317087
1•tosh•15m ago•0 comments

Nvidia's $20B Antitrust Loophole (Not an Acquisition)

https://ossa-ma.github.io/blog/groq
4•ossa-ma•16m ago•1 comments

Do Parents Have Favorite Children? Of Course They Do

https://www.nytimes.com/2025/12/23/well/favorite-children.html
1•abelanger•19m ago•0 comments

UTag – Use Samsung Galaxy SmartTags on Any Android Device

https://github.com/KieronQuinn/uTag
2•ravenical•20m ago•0 comments

Macsvcs: Disable Unnecessary macOS Services

https://github.com/hyuni/macsvcs
3•thunderbong•22m ago•0 comments

Tacoma Narrows Bridge Collapse (1940)

https://en.wikipedia.org/wiki/Tacoma_Narrows_Bridge_(1940)
1•tosh•22m ago•0 comments

Ford Engineer Who Invented "Moylan Arrow" Fuel Gauge Indicator Dies at 80

https://fordauthority.com/2025/12/ford-engineer-that-designed-gas-tank-indicator-passes-away/#goo...
1•bookofjoe•25m ago•0 comments

Reading has nothing to do with paper

https://samueleamato.xyz/2025/12/27/reading-has-nothing-to-do-with-paper
1•rd_wei•25m ago•0 comments

A man hunting the spies in your smartphone

https://www.technologyreview.com/2025/12/24/1129294/ronald-deibert-citizen-lab-digital-threats-sp...
2•Brajeshwar•29m ago•0 comments

2025 Workplace Productivity Guide: How Pulse Gives Me Executive-Level Assistant

1•suffei771•29m ago•0 comments

Dr. Claw: Claude's First CVE. AI's First CVE

https://dr.cl4w.net/
1•nocsi•31m ago•0 comments

Show HN: Voice-first todo list that updates live as you talk

https://taskmaster.keithschacht.com
2•krschacht•36m ago•0 comments

How AI coding agents work–and what to remember if you use them

https://arstechnica.com/information-technology/2025/12/how-do-ai-coding-agents-work-we-look-under...
1•Archelaos•38m ago•0 comments

Gaia finds hints of planets in baby star systems

https://www.esa.int/ESA_Multimedia/Images/2025/12/Gaia_finds_hints_of_planets_in_baby_star_systems
2•rbanffy•38m ago•0 comments

Lwlog 1.5.0 Released

https://github.com/ChristianPanov/lwlog
1•ChristianPanov•41m ago•0 comments

Childhood and Education #16: Letting Kids Be Kids

https://thezvi.substack.com/p/childhood-and-education-16-letting
1•paulpauper•41m ago•0 comments

Janet Jackson had the power to crash laptop computers (2022)

https://devblogs.microsoft.com/oldnewthing/20220816-00/?p=106994
38•montalbano•43m ago•8 comments

The Mythical Non-Roboticist (2024)

https://generalrobots.substack.com/p/the-mythical-non-roboticist
1•ArmageddonIt•45m ago•0 comments

USD Share as Global Reserve Currency Drops to Lowest Since 1994

https://wolfstreet.com/2025/12/26/status-of-the-us-dollar-as-global-reserve-currency-usd-share-dr...
10•stevenjgarner•45m ago•3 comments

Our Rationality Future: Quit, All-In, or Bust

https://www.overcomingbias.com/p/rationality-quit-all-in-or-bust
1•paulpauper•46m ago•0 comments

A Way with Words: Thomas Merton's Orwellian Thoughts on Language [pdf]

https://thomasmertonsociety.org/Journal/32/32-1Gillespie.pdf
1•rawgabbit•47m ago•0 comments