A week in tech

A round-up of all the latest tech news.

A week in Japan tech

Hardware

- NEC Corp. has developed a commercially viable small fuel cell that can be used in notebook computers. The fuel cell will enable 40 consecutive hours of operation, about 10 times longer than using lithium-ion batteries, the current mainstream batteries for notebook computers. Japanese, US and South Korean companies have been competing fiercely with each other to develop small cells for use in personal computers and mobile phones in recent years. The latest move means NEC is having a lead over its rivals in terms of commercializing such cells. The fact that current lithium-ion batteries for portable devices do not last long has been a...

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