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Japan eSIM checklist: Everything you need to know before you fly to Japan

PCWorld

When you purchase through links in our articles, we may earn a small commission. What you need to know before buying and using an eSIM on your next trip. Landing in Japan without mobile data can make a long travel day much harder than it needs to be. The minute you arrive you'll likely rely on your phone for train routes, maps, translation, reservations, and messages, so it's best to sort out getting connected before your flight. I've lived in Japan for nearly a decade, both in cities and the countryside, and I've used several different ways to stay connected. These days, I've found an eSIM to be the easiest option. But there are a few things worth checking before you buy one.


Robot penguins make a splash at Wakayama theme park

The Japan Times

The robots -- one modeled after a rockhopper penguin and the other after a gentoo penguin -- are exhibited among real penguins at the theme park, the world's only facility to house 10 species of penguins. Visitors looked amazed to see one of the robots deftly move its flippers to change direction and dive deeper into the water as it swam next to real Humboldt penguins. "I thought it was real," one visitor said. The robots were created by Ikuma Okada, the 34-year-old leader of a group within the Adventure World operator. The robot penguins were created by Ikuma Okada, the 34-year-old leader of a group within the Adventure World operator.


Robotics roadmaps from around the world spotlight of the month: Japan

Robohub

Robots have been a prolific theme in Japanese pop culture and media since the 1950s, which includes global icons like the, and ( 1). Perhaps not coincidentally, Japanese citizens have a positive outlook on robotic technologies and their use in the labor sector compared to many other nations ( 2); much to their advantage, as robotics continues to be a vital pillar for ensuring Japan's economic resilience and future growth. Here, we discuss priorities and long-term agendas as presented in Japan's national robotics strategies. Although weather control is among Japan's lofty research goals for the next 25 years ( 3), geological disturbances remain inevitable. As such, disaster mitigation and response are high priorities that serve as motivation for robotics development in Japan ( 4).


18-year-old man arrested over 2025 cyberattack on internet cafe operator

The Japan Times

An 18-year-old man has been arrested for his suspected involvement in a cyberattack on an internet cafe operator. An 18-year-old man has been arrested for his suspected involvement in a cyberattack on the operator of the Kaikatsu Club internet cafe chain, according to investigative sources. On Wednesday, the Metropolitan Police Department's cybercrime countermeasure division arrested the company employee from Tokyo's Katsushika Ward, who was in the second year of high school at the time of the incident, on suspicion of fraudulent obstruction of business and violation of the law against unauthorized computer access. He has denied parts of the allegations, the sources said. In the cyberattack on the internet cafe chain operator Kaikatsu Frontier, a computer program that a high school boy from the city of Osaka developed using ChatGPT was used.


AI-related copyright losses cost celebrities up to 4.5 billion, study says

The Japan Times

Such AI-generated content attracted approximately 335 million views on social media, resulting in financial losses estimated at ¥2 billion to ¥4.5 billion for celebrities and artists, according to the study. The estimated losses were calculated based on licensing fees related to using a person's likeness or voice, as well as the advertising value of view counts. However, the nonprofit added that the "actual financial losses might be significantly larger than the estimate," as the calculation only covered cases they were able to find. Only 1.1% of companies said they had guidelines on how to deal with these violations. Some 52% said they were "currently considering" options, while the rest had no plans as of date.


Japanese railway firms adopt AI safety systems at crossings

The Japan Times

An artificial intelligence-equipped camera system shows a person trapped inside a railway crossing gate during a test by Kintetsu Railway. A growing number of Japanese railway operators are introducing artificial intelligence (AI)-based systems to help prevent accidents involving trains at level crossings. The technology can automatically detect and report abnormalities, such as stalled vehicles or people trapped on the tracks, enabling train drivers and other railway staff to respond more quickly. Industry officials view AI as an effective tool for improving crossing safety, while the government has started offering financial support to encourage wider adoption. Kintetsu Railway, based in the city of Osaka, has tested an AI-equipped camera system at a crossing on the Kyoto Line in the town of Seika, Kyoto Prefecture.


UMU-Bench: Closing the Modality Gap in Multimodal Unlearning Evaluation

Neural Information Processing Systems

Although Multimodal Large Language Models (MLLMs) have advanced numerous fields, their training on extensive multimodal datasets introduces significant privacy concerns, prompting the necessity for effective unlearning methods. However, current multimodal unlearning approaches often directly adapt techniques from unimodal contexts, largely overlooking the critical issue of modality alignment, i.e., consistently removing knowledge across both unimodal and multimodal settings. To close this gap, we introduce UMU-Bench, a unified benchmark specifically targeting modality misalignment in multimodal unlearning. UMU-Benchconsists of a meticulously curated dataset featuring 653 individual profiles, each described with both unimodal and multimodal knowledge. Additionally, novel tasks and evaluation metrics focusing on modality alignment are introduced, facilitating a comprehensive analysis of unimodal and multimodal unlearning effectiveness. Through extensive experimentation with state-of-the-art unlearning algorithms on UMU-Bench, we demonstrate prevalent modality misalignment issues in existing methods. These findings underscore the critical need for novel multimodal unlearning approaches explicitly considering modality alignment.


Raccoons might be spreading diarrhea-causing bacteria in Japan

Popular Science

More information Adding us as a Preferred Source in Google by using this link indicates that you would like to see more of our content in Google News results. Raccoons are increasingly encroaching on populated areas, posing health risks for humans. Breakthroughs, discoveries, and DIY tips sent six days a week. By signing up, you confirm you are 16+, will receive newsletters and promotional content and agree to our Terms of Use and acknowledge the data practices in our Privacy Policy . Raccoons are cute and curious creatures, but frequently carry infectious diseases .


Embattled Nidec to suspend biz acquisitions

The Japan Times

KYOTO - Nidec President Mitsuya Kishida has said the major Japanese motor maker will suspend business acquisitions for the time being to focus its efforts on reconstructing the firm rocked by accounting and product quality fraud. Business acquisitions have been a growth driver for Nidec, based in Kyoto. "I will work on rebuilding our company's governance system," Kishida said in an interview Friday, showing a plan to spend ¥130 billion over five years on measures to prevent irregularities. A panel of outside experts that investigated the accounting fraud has concluded that excessive pressure from Nidec's founder, Shigenobu Nagamori, on company staff to meet performance targets was among the factors behind the irregularities. Pointing out that Nidec had "a corporate culture to pursue short-term profits," Kishida said, "We will build a system that makes it impossible to commit irregularities regarding accounting and product quality control." On future business management, he said, "We will review our operations, including the possibility of ceding what we have in our group to partner entities," suggesting that consolidating some of its existing operations could be an option.


Japanese cellist Kitamura wins 5th prize in Brussels contest

The Japan Times

Yo Kitamura won the fifth prize in the cello division of the Queen Elisabeth Competition in Brussels on Sunday. Brussels - Yo Kitamura of Japan won the fifth prize in the cello division of the prestigious Queen Elisabeth Competition in Brussels on Sunday. In the final selection process joined by 12 cellists, Kitamura, 22, who is from Nishinomiya, Hyogo Prefecture, played Russian composer Sergey Prokofiev's Symphony-Concerto and other works with the Belgian National Orchestra on Tuesday. "I couldn't make it to the top three, but I think it is a meaningful experience because I was able to grow so much," Kitamura told reporters. "I want to face my big dream of making the world peaceful with music." The winner of the cello division is Ettore Pagano, 23, from Italy.