Hacker News with Generative AI: Japan

California overtakes Japan to become the world's fourth largest economy (edition.cnn.com)
Japan releases image of Railgun installed on naval vessel (navalnews.com)
On April 18, 2025, the Japan Maritime Self-Defense Force (JMSDF) released an image of its state-of-the-art railgun currently undergoing testing aboard the test ship JS Asuka.
When my iPhone was in Tucson, Google thought it was in Japan (medium.com)
Last week, I visited Tucson, Arizona for five days. The entire time I was there, every time I was using cellular for Internet on my AT&T-based iPhone, all Safari autocomplete suggestions (which come from Google) were in Japanese:
Mt Ontake (emgoto.com)
Mt Ontake (御嶽山, ontake-san) is one of Japan’s Hundred Famous Mountains on the border of Nagano and Gifu prefectures. At 3067m it is the 14th tallest mountain in Japan. However unlike some of Japan’s other 3000m+ peaks (which are a little more inaccessible), Mt Ontake is doable as a day hike with a total course time of only 5 hours.
Fujitsu and RIKEN develop world-leading 256-qubit sup quantum computer (fujitsu.com)
Fujitsu Limited and RIKEN today announced the development of a world-leading 256-qubit superconducting quantum computer, established at the RIKEN RQC-FUJITSU Collaboration Center.
Japan keeps asking the US what it wants in trade talks and can't get an answer (forexlive.com)
Japanese negotiators are complaining that the problem with the trade negotiations with the White House, what's delaying concrete progress and a real deal, is that US keeps changing its ask in terms of exactly what it wants, said one financial CEO who speaks regularly to country officials.
Samurai Cops: Inside Edo's Police Force During Feudal Japan (tokyoweekender.com)
After Tokugawa Ieyasu unified Japan, established the Tokugawa shogunate, and moved the capital to Edo — modern-day Tokyo — in the early 17th century, he ended hundreds of years of civil war and senseless killings. Weirdly, though, people still kept murdering each other. Plus, there were all these other crimes being committed all over the city. 
Japan is starting to charge tourists more to visit (cbc.ca)
Japan surpassed 10 million visitors at the fastest pace ever this year, reaching that mark already in March, official data showed on Wednesday, as a weak yen propels an unprecedented tourism boom.
Japan's big bet on stem-cell therapies might soon pay off (nature.com)
Japan is brimming with signs of an approaching medical revolution. Shiny white robots are tending dishes of cells, rows of incubators hum in new facilities, and a deluxe, plush-carpeted hospital is getting ready to welcome its first patients.
Restoring the Galaxian3 Theatre 6, 1992 six player arcade machine (philwip.com)
During the late 1980s, Namco set out to create the world’s largest arcade game. The result was Galaxian3: Project Dragoon; a 28 player behemoth that debuted in April 1990 at the International Garden and Greenery Exposition in Osaka, Japan.
Japan serves Google a cease and desist order over its Android bundling deals (theregister.com)
Japan’s Fair Trade Commission yesterday ordered Google to stop doing deals that require manufacturers of Android handsets to include its apps.
In first, Japan issues cease-and-desist order against Google (japantimes.co.jp)
In an unprecedented move, the Japan Fair Trade Commission on Tuesday issued a cease-and-desist order against Google for violating the country's anti-monopoly law by forcing manufacturers to preinstall the company’s apps on their Android smartphones.
Japan sees record 900k drop in population due to low birth rate crisis (dw.com)
For the fourteenth year running, Japan's population has slumped to a record low. The non-foreign population dropped by nearly 900,000 — an unprecedented fall.
Japan antitrust watchdog hits Google with cease and desist order (nikkei.com)
The Japan Fair Trade Commission on Tuesday issued a cease and desist order to Google to halt its monopolistic practice of demanding that manufacturers give preferential treatment to its search services on Android phones.
Japan sees record drop in population (dw.com)
For the fourteenth year running, Japan's population has slumped to a record low. The non-foreign population dropped by nearly 900,000 — an unprecedented fall.
Kezurou-Kai #39 (bigsandwoodworking.com)
Last weekend I went to the 39th annual Kezurou-kai event in Itoigawa, Niigata.
Small Towns in Japan (japanstartshere.com)
It is in the small towns in Japan, they say—well, I say—where the real Japan resides. But in a country with literally hundreds of them—small towns, this is—where do you even begin?
The Ten 'Commandments' of Sushi. (2015) (medium.com)
My first lunch at Yajima Sushi, in Tokyo, felt more like a kidnapping.
Lost City of the Samurai (archaeology.org)
Yakult Lady (wikipedia.org)
A Yakult lady (ヤクルトレディー; Yakuruto redi-), also known as an Yakult auntie (ヤクルトおばさん; Yakuruto obasan),[1] is a woman who sells Yakult products as an employee or delivers the products door to door[2] to individuals at their homes.
Why are Japan streets devoid of US cars? It's no mystery, theyre not good enough (bloomberg.com)
Japan’s Prime Minister Shigeru Ishiba is forming a team to forge a tariff deal with US President Donald Trump after the two spoke by phone on Monday, following one of the worst days for Tokyo stocks in recent memory.
Middle-aged man trading cards go viral in rural Japan town (tokyoweekender.com)
In the small town of Kawara in Fukuoka Prefecture, something unexpected is happening at the Saidosho Community Center. While kids in most parts of Japan are obsessed with Pokémon cards — or perhaps the franchise’s latest smartphone game, Pokémon TCG Pocket — the children of Kawara are clutching to something a little closer to home.
Circuit breaker triggered in Japan for stock futures trading (wsj.com)
Markets Swing Wildly as Trump Holds His Ground on Tariff Plan
Testing DVD-R and CD-R 25 years later: optical disks from Japan (goughlui.com)
As it turns out, “thrift shopping” in Japan via the internet can be both very enjoyable as well as very dangerous.
Japan warns 'big one' earthquake could kill 300k people (ft.com)
Kyoto so packed with tourists that Japanese are staying away (asahi.com)
KYOTO--Japanese on sightseeing trips seem to be avoiding key landmarks in this historic city due to the hordes of foreign visitors that residents also gripe about.
TSMC, Intel and other top chipmakers slow Japan, Malaysia expansions (nikkei.com)
Leading chipmakers and packagers including Taiwan Semiconductor Manufacturing Co. and Intel have slowed the pace of their expansions in Japan and Malaysia due to lackluster demand for older chips and tariff uncertainties, Nikkei Asia has learned.
Typed Japanese (github.com/typedgrammar)
If you can write TypeScript, you can understand Japanese!
Japan is 3D printing train stations now (theregister.com)
You've seen small 3D printed models, heard about 3D printers being used to make guns, and even read news about printed food, but a 3D printed train station? Where else could this be but Japan?
Is This Sex Offender Map in Japan Legal? (unseen-japan.com)
Beset by a rash of repeat sex offenders and abusers, Japan is finally implementing a national sex offender registry for organizations whose employees work with children and other vulnerable populations. However, some parents say they want more tools to identify potential offenders in their neighborhoods.