top 20 hacker news stories for 2025-09-20

Ultrasonic Chef's Knife

https://seattleultrasonics.com/

3 weeks ago

824 upvotes – 671 comments

$2 WeAct Display FS adds a 0.96-inch USB information display to your computer

https://www.cnx-software.com/2025/09/18/2-weact-display-fs-adds-a-0-96-inch-usb-information-display-to-your-computer/

3 weeks ago

409 upvotes – 169 comments

Microsoft has urged its employees on H-1B and H-4 visas to return immediately

https://timesofindia.indiatimes.com/technology/tech-news/microsoft-has-a-24-hour-deadline-warning-for-indian-and-other-foreign-employees-after-h1-b-visa-fees-hike-to-100000-strongly-recommend-h1b-visa-holders-/articleshow/124010245.cms

3 weeks ago

406 upvotes – 615 comments

Disney+ cancellation page crashes as customers rush to quit

https://creators.yahoo.com/lifestyle/story/disney-cancellation-page-crashes-as-customers-rush-to-quit-after-kimmel-suspension-033512277.html

3 weeks ago

401 upvotes – 297 comments

FLX1s phone is launched

https://furilabs.com/flx1s-is-launched/

3 weeks ago

337 upvotes – 262 comments

Git: Introduce Rust and announce it will become mandatory in the build system

https://lore.kernel.org/git/[email protected]/

3 weeks ago

335 upvotes – 413 comments

Designing NotebookLM

https://jasonspielman.com/notebooklm

3 weeks ago

295 upvotes – 84 comments

Are touchscreens in cars dangerous?

https://www.economist.com/science-and-technology/2025/09/19/are-touchscreens-in-cars-dangerous

3 weeks ago

238 upvotes – 242 comments

Cormac McCarthy's tips on how to write a science paper (2019) [pdf]

https://gwern.net/doc/science/2019-savage.pdf

3 weeks ago

229 upvotes – 84 comments

Britain jumps into bed with Palantir in £1.5B defense pact

https://www.theregister.com/2025/09/20/uk_palantir_defense_pact/

3 weeks ago

207 upvotes – 134 comments

Images over DNS

https://dgl.cx/2025/09/images-over-dns

3 weeks ago

201 upvotes – 50 comments

Trumpcard (Official US Government Website)

https://trumpcard.gov/

3 weeks ago

193 upvotes – 152 comments

If you are good at code review, you will be good at using AI agents

https://www.seangoedecke.com/ai-agents-and-code-review/

3 weeks ago

192 upvotes – 197 comments

PYREX vs. pyrex: What's the difference?

https://www.corning.com/worldwide/en/products/life-sciences/resources/stories/in-the-field/pyrex-vs-pyrex-whats-the-difference.html

3 weeks ago

173 upvotes – 122 comments

IG Nobel Prize Winners 2025

https://improbable.com/ig/winners/

3 weeks ago

163 upvotes – 47 comments

H1Bs will start costing $100k/yr

https://www.boundless.com/blog/trump-administration-to-propose-new-100000-fee-for-h-1b-visa-applications/

3 weeks ago

149 upvotes – 4 comments

macOS becomes iOS: Safari video controls

https://underpassapp.com/news/2025/9/8.html

3 weeks ago

147 upvotes – 150 comments

The LLM Lobotomy?

https://learn.microsoft.com/en-us/answers/questions/5561465/the-llm-lobotomy

3 weeks ago

140 upvotes – 61 comments

Is Zig's new writer unsafe?

https://www.openmymind.net/Is-Zigs-New-Io-Unsafe/

3 weeks ago

138 upvotes – 182 comments

Vapor chamber tech keeps iPhone 17 Pro cool

https://spectrum.ieee.org/iphone-17-pro-vapor-chamber

3 weeks ago

133 upvotes – 297 comments
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