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What is a Lithium-ion capacitor?

https://www.jtekt.co.jp/e/products/capacitor/capacitor_about.html

22•ksec•3h ago

Comments

LorenPechtel•1h ago

And no mention of the self discharge rate.

ricardobeat•51m ago

There are several links in the article detailing every aspect of this, including a full spec sheet. Did you try clicking any of those, or was the urge to complain that your curiosity was not magically satisfied higher?

mrDmrTmrJ•7m ago

Let's say you want to make a hybrid car lighter-weight. Where is this useful?

Power density and cycle life are truly impressive. Energy density is super low

traverseda•4m ago

Regen braking,

Previewing GPT‑5.6 Sol: a next-generation model

https://openai.com/index/previewing-gpt-5-6-sol/

431•minimaxir•2h ago•258 comments

MicroVMs: Run isolated sandboxes with full lifecycle control

https://aws.amazon.com/blogs/aws/run-isolated-sandboxes-with-full-lifecycle-control-aws-lambda-in...

175•justincormack•3d ago•98 comments

U.S. government will decide who gets to use GPT-5.6

https://www.washingtonpost.com/technology/2026/06/26/openai-says-us-government-will-vet-users-its...

176•alain94040•1h ago•414 comments

Show HN: Smart model routing directly in Claude, Codex and Cursor

https://github.com/workweave/router

82•adchurch•2h ago•55 comments

Gossamer: a Rust-flavoured language with real goroutines and pause-free memory

https://gossamer-lang.org/

8•mwheeler•1h ago•0 comments

Ultrasound imaging of the brain

https://alephneuro.com/blog/ultrasound-brain

164•rossant•7h ago•56 comments

Om Malik has died

https://om.co/2026/06/24/1966-2026/

1236•minimaxir•22h ago•149 comments

An entire Herculaneum scroll has been read for the first time

https://scrollprize.org/firstscroll

1586•verditelabs•1d ago•351 comments

Modern GPU Programming for MLSys

https://mlc.ai/modern-gpu-programming-for-mlsys/

19•crowwork•3d ago•1 comments

What Is a Nomogram and Why Would It Interest Me?

https://lefakkomies.github.io/pynomo-doc/introduction/introduction.html#what-is-a-nomogram-and-wh...

21•Eridanus2•2h ago•4 comments

Liva AI (YC S25) Is Hiring

https://www.ycombinator.com/companies/liva-ai/jobs/gvtc3Ep-founding-operations-lead

1•ashlleymo•2h ago

What is a Lithium-ion capacitor?

https://www.jtekt.co.jp/e/products/capacitor/capacitor_about.html

22•ksec•3h ago•5 comments

The "Bizarre Headgear" Exhibit at the Sam Noble Museum Is Incredible

https://svpow.com/2026/05/15/the-bizarre-headgear-exhibit-at-the-sam-noble-museum-is-incredible/

7•surprisetalk•3d ago•0 comments

Springer Nature has removed two studies by Max Planck

https://www.science.org/content/article/why-have-papers-one-history-s-most-famous-physicists-been...

287•adharmad•5h ago•136 comments

Libre Barcode Project

https://graphicore.github.io/librebarcode/

262•luu•16h ago•49 comments

22-year-old Mozart's handwritten notebook unearthed in 'major discovery'

https://www.classicfm.com/composers/mozart/handwritten-notebook-discovered-major-paris/

232•thunderbong•6d ago•74 comments

What happened after 2k people tried to hack my AI assistant

https://www.fernandoi.cl/posts/hackmyclaw/

326•cuchoi•17h ago•152 comments

Framework's 10G Ethernet module exposes USB-C's complexity

https://www.jeffgeerling.com/blog/2026/framework-10g-ethernet-module-usb-c-complexity/

295•Alupis•18h ago•169 comments

Incident CVE-2026-LGTM

https://nesbitt.io/2026/06/26/incident-report-cve-2026-lgtm.html

437•mooreds•6h ago•77 comments

LaTeX.wasm: LaTeX Engines in Browsers

https://www.swiftlatex.com/

47•theanonymousone•2d ago•12 comments

Bipartite Matching Is in NC

https://scottaaronson.blog/?p=9851

94•amichail•3d ago•13 comments

Show HN: WebBase-III – dBASE III rebuilt in the browser with its own interpreter

https://github.com/DDecoene/WebBaseIII

61•ddecoene•2d ago•16 comments

A game where you're an OS and have to manage processes, memory and I/O events

https://github.com/plbrault/youre-the-os

334•exploraz•3d ago•74 comments

The 'papers, please' era of the internet will decimate your privacy

https://expression.fire.org/p/the-papers-please-era-of-the-internet

1045•bilsbie•21h ago•540 comments

A US military exercise to launch a satellite on short notice

https://arstechnica.com/space/2026/06/a-us-military-exercise-in-space-got-underway-with-barely-an...

94•jonbaer•3d ago•61 comments

The Garbage Collection Handbook: The Art of Automatic Memory Management (2nd Ed) (2023)

https://gchandbook.org/

224•teleforce•20h ago•47 comments

Ask HN: Is "no source code was copied" still a sufficient copyright defense?

29•oscgam1•4h ago•36 comments

Jolla Phone (October 2026)

https://commerce.jolla.com/products/jolla-phone-october-2026

222•mrbn100ful•4h ago•125 comments

Oxide computer 3D rack guided tour

https://explorer.oxide.computer/

454•darthcloud•4d ago•195 comments

FEXPRs vs. vtable: how LispE interpreter works

https://github.com/naver/lispe/wiki/2.7-FEXPR-vs.-vtable

91•birdculture•2d ago•6 comments