Hacker News: knownhttps://news.ycombinator.com/user?id=knownHacker News RSShttps://hnrss.org/hnrss v2.1.1Sun, 30 Aug 2026 11:18:04 +0000<![CDATA[New comment by known in "Why more companies are recognizing the benefits of keeping older employees"]]>"Experience is the name men gave to their mistakes" - Oscar Wilde (b. 1854)

]]>Thu, 05 Feb 2026 10:48:00 +0000https://news.ycombinator.com/item?id=46898236knownhttps://news.ycombinator.com/item?id=46898236https://news.ycombinator.com/item?id=46898236<![CDATA[New comment by known in "Apple will use 100 percent recycled cobalt in batteries by 2025"]]>Lithium car battery weighs 450kg. It has about 11 kg of lithium, 14 kg of cobalt, 27 kg of nickel, more than 40 kg of copper, and 50 kg of graphite as well as about 181 kg of steel, aluminum, and plastics.

]]>Thu, 13 Apr 2023 12:38:54 +0000https://news.ycombinator.com/item?id=35554467knownhttps://news.ycombinator.com/item?id=35554467https://news.ycombinator.com/item?id=35554467<![CDATA[Artificial pancreas successfully trialed for use by type 2 diabetes patients]]>Article URL: https://medicalxpress.com/news/2023-01-artificial-pancreas-successfully-trialed-diabetes.html

Comments URL: https://news.ycombinator.com/item?id=34356690

Points: 2

# Comments: 0

]]>Thu, 12 Jan 2023 16:59:51 +0000https://medicalxpress.com/news/2023-01-artificial-pancreas-successfully-trialed-diabetes.htmlknownhttps://news.ycombinator.com/item?id=34356690https://news.ycombinator.com/item?id=34356690<![CDATA[The Elusive Origin of Zero]]>Article URL: https://www.scientificamerican.com/article/the-elusive-origin-of-zero/

Comments URL: https://news.ycombinator.com/item?id=32275599

Points: 2

# Comments: 0

]]>Fri, 29 Jul 2022 11:27:51 +0000https://www.scientificamerican.com/article/the-elusive-origin-of-zero/knownhttps://news.ycombinator.com/item?id=32275599https://news.ycombinator.com/item?id=32275599<![CDATA[New comment by known in "How Wall Street Escaped the Crypto Meltdown"]]>https://archive.is/aNNxA

"You never know who’s swimming naked until the tide goes out" --Buffett (b. 1930)

]]>Tue, 05 Jul 2022 15:53:44 +0000https://news.ycombinator.com/item?id=31989775knownhttps://news.ycombinator.com/item?id=31989775https://news.ycombinator.com/item?id=31989775<![CDATA[New comment by known in "Ask HN: How to keep my daughter busy while tickling her curiosity"]]>Guide her to https://en.wikipedia.org/wiki/HowStuffWorks

]]>Mon, 04 Jul 2022 13:22:02 +0000https://news.ycombinator.com/item?id=31976734knownhttps://news.ycombinator.com/item?id=31976734https://news.ycombinator.com/item?id=31976734<![CDATA[New comment by known in "India’s biggest businesses are tapping green hydrogen as a future fuel"]]>High-pressure tanks weigh much more than the hydrogen they can hold. The hydrogen may be around 5.7% of the total mass https://en.wikipedia.org/wiki/Energy_density

]]>Mon, 04 Jul 2022 13:11:31 +0000https://news.ycombinator.com/item?id=31976637knownhttps://news.ycombinator.com/item?id=31976637https://news.ycombinator.com/item?id=31976637<![CDATA[Secretive hedge fund Tiger Global changed the rules on tech investing]]>Article URL: https://nymag.com/intelligencer/2022/06/tiger-global-poster-child-of-the-tech-meltdown.html

Comments URL: https://news.ycombinator.com/item?id=31958646

Points: 1

# Comments: 0

]]>Sat, 02 Jul 2022 13:00:53 +0000https://nymag.com/intelligencer/2022/06/tiger-global-poster-child-of-the-tech-meltdown.htmlknownhttps://news.ycombinator.com/item?id=31958646https://news.ycombinator.com/item?id=31958646<![CDATA[New comment by known in "The Pervasive Problem–and Far-Reaching Impact–Of Tree Poaching"]]>"God loved the birds and invented trees. Man loved the birds and invented cages" --Jacques Deval (b. 1895)

]]>Sat, 02 Jul 2022 04:33:46 +0000https://news.ycombinator.com/item?id=31956262knownhttps://news.ycombinator.com/item?id=31956262https://news.ycombinator.com/item?id=31956262<![CDATA[I Rented Electric Car for Four-Day Trip. Spent More Time Charging Than Sleeping]]>Article URL: https://www.wsj.com/articles/i-rented-an-electric-car-for-a-four-day-road-trip-i-spent-more-time-charging-it-than-i-did-sleeping-11654268401

Comments URL: https://news.ycombinator.com/item?id=31630737

Points: 6

# Comments: 1

]]>Sun, 05 Jun 2022 13:21:11 +0000https://www.wsj.com/articles/i-rented-an-electric-car-for-a-four-day-road-trip-i-spent-more-time-charging-it-than-i-did-sleeping-11654268401knownhttps://news.ycombinator.com/item?id=31630737https://news.ycombinator.com/item?id=31630737<![CDATA[Biden is solving America’s labor shortage through wealth destruction]]>Article URL: https://thehill.com/opinion/finance/3494422-biden-is-solving-americas-labor-shortage-through-wealth-destruction-and-looming-recession/

Comments URL: https://news.ycombinator.com/item?id=31515563

Points: 2

# Comments: 1

]]>Thu, 26 May 2022 07:09:19 +0000https://thehill.com/opinion/finance/3494422-biden-is-solving-americas-labor-shortage-through-wealth-destruction-and-looming-recession/knownhttps://news.ycombinator.com/item?id=31515563https://news.ycombinator.com/item?id=31515563<![CDATA[Why on Earth Did Warren Buffett Swap Wells Fargo for Citigroup?]]>Article URL: https://www.ft.com/content/b900f115-6d95-4a6d-b3d6-ae684f6c93a4

Comments URL: https://news.ycombinator.com/item?id=31465897

Points: 1

# Comments: 0

]]>Sun, 22 May 2022 07:49:48 +0000https://www.ft.com/content/b900f115-6d95-4a6d-b3d6-ae684f6c93a4knownhttps://news.ycombinator.com/item?id=31465897https://news.ycombinator.com/item?id=31465897<![CDATA[Remote Work and the Importance of Writing]]>Article URL: https://www.economist.com/business/2022/01/15/remote-work-and-the-importance-of-writing

Comments URL: https://news.ycombinator.com/item?id=31317025

Points: 2

# Comments: 0

]]>Mon, 09 May 2022 17:26:43 +0000https://www.economist.com/business/2022/01/15/remote-work-and-the-importance-of-writingknownhttps://news.ycombinator.com/item?id=31317025https://news.ycombinator.com/item?id=31317025<![CDATA[Why is London so attractive to tainted foreign money?]]>Article URL: https://www.economist.com/britain/why-is-london-so-attractive-to-tainted-foreign-money/21809124

Comments URL: https://news.ycombinator.com/item?id=31305493

Points: 4

# Comments: 1

]]>Sun, 08 May 2022 16:25:36 +0000https://www.economist.com/britain/why-is-london-so-attractive-to-tainted-foreign-money/21809124knownhttps://news.ycombinator.com/item?id=31305493https://news.ycombinator.com/item?id=31305493<![CDATA[The British Couldn’t Take India’s Heat, So They Imported Ice from New England]]>Article URL: https://www.atlasobscura.com/articles/how-did-people-get-ice

Comments URL: https://news.ycombinator.com/item?id=30709366

Points: 2

# Comments: 0

]]>Thu, 17 Mar 2022 09:56:56 +0000https://www.atlasobscura.com/articles/how-did-people-get-iceknownhttps://news.ycombinator.com/item?id=30709366https://news.ycombinator.com/item?id=30709366<![CDATA[Indian 16-year-old stuns chess world champion Carlsen]]>Article URL: https://www.channelnewsasia.com/sport/indian-16-year-old-stuns-chess-world-champion-carlsen-2512611

Comments URL: https://news.ycombinator.com/item?id=30425225

Points: 6

# Comments: 1

]]>Tue, 22 Feb 2022 08:10:17 +0000https://www.channelnewsasia.com/sport/indian-16-year-old-stuns-chess-world-champion-carlsen-2512611knownhttps://news.ycombinator.com/item?id=30425225https://news.ycombinator.com/item?id=30425225<![CDATA[The end of waste: The grand plan to build a truly circular economy]]>Article URL: https://www.newscientist.com/article/mg25333730-800-the-end-of-waste-the-grand-plan-to-build-a-truly-circular-economy/

Comments URL: https://news.ycombinator.com/item?id=30406527

Points: 3

# Comments: 0

]]>Sun, 20 Feb 2022 15:39:54 +0000https://www.newscientist.com/article/mg25333730-800-the-end-of-waste-the-grand-plan-to-build-a-truly-circular-economy/knownhttps://news.ycombinator.com/item?id=30406527https://news.ycombinator.com/item?id=30406527<![CDATA[Giving Cash to Low-Income Mothers Increased Brain Activity in Their Babies]]>Article URL: https://time.com/6141741/paying-moms-helps-baby-brains-study/

Comments URL: https://news.ycombinator.com/item?id=30091793

Points: 3

# Comments: 0

]]>Wed, 26 Jan 2022 21:02:55 +0000https://time.com/6141741/paying-moms-helps-baby-brains-study/knownhttps://news.ycombinator.com/item?id=30091793https://news.ycombinator.com/item?id=30091793<![CDATA[Is Star Trek’s Dream of a World Without Money Utopian or Dystopian?]]>Article URL: https://fee.org/articles/is-star-trek-s-dream-of-a-world-without-money-utopian-or-dystopian/

Comments URL: https://news.ycombinator.com/item?id=30047342

Points: 1

# Comments: 1

]]>Sun, 23 Jan 2022 16:19:19 +0000https://fee.org/articles/is-star-trek-s-dream-of-a-world-without-money-utopian-or-dystopian/knownhttps://news.ycombinator.com/item?id=30047342https://news.ycombinator.com/item?id=30047342<![CDATA[New comment by known in "Divorce in the rich world is getting less nasty"]]>"Alimony is a system by which, when two make a mistake, one of them keeps paying for it" --Peggy Joyce (b. 1893)

]]>Sat, 22 Jan 2022 05:30:48 +0000https://news.ycombinator.com/item?id=30033943knownhttps://news.ycombinator.com/item?id=30033943https://news.ycombinator.com/item?id=30033943