Topic · 03 of 08

Tech & Science

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Tech & Science

Offshore Rocket Recovery: Japan's Biggest Shipping Line Is Building a Landing Pad at Sea

NYK Line, Japan's largest shipping company, is working with Mitsubishi Heavy Industries to catch reusable rocket boosters on a ship at sea. The idea began in an in-house training program, became the first shipping-company project selected for JAXA's Space Strategy Fund, and now faces a question NYK's own engineers raise: will anyone launch often enough to make it pay?

Tech & Science

Ammonia Synthesis Catalyst: Japan's Air-Stable Electrene Runs at 300°C and 9 Atmospheres

Researchers at the Institute of Science Tokyo have created a surface electrene: a crystal whose outermost layer is a sheet of loose electrons, with a work function lower than cesium. It survives open air because nitrogen caps it, then leaves as ammonia. Here is what it means for green fertilizer, and how it compares with the electrochemical routes pursued in China, Europe and the US.