Energy & Green Tech

Experts voice safety concerns about new pebble-bed nuclear reactors

Researchers advise caution as a commercial-scale nuclear reactor known as HTR-PM prepares to become operational in China. The reactor is a pebble-bed, high-temperature gas-cooled reactor (HTGR), a new design that is ostensibly ...

Energy & Green Tech

Water leaks indicate new damage at Fukushima nuclear plant

Cooling water levels have fallen in two reactors at the wrecked Fukushima nuclear plant since a powerful earthquake hit the area last weekend, indicating possible additional damage, its operator said Friday.

Software

ExaSMR simulation toolkit advances nuclear reactor design

Alternatives to carbon-producing energy sources are becoming ever more imperative as climate change shows its effects on the Earth and in our daily lives. Although fossil fuels still generate much of the electricity in the ...

Engineering

What's standing in the way of sustainable steel?

Steel production is the surprising source of 8% of all greenhouse gases today. Most of it comes when converting iron ore into molten iron. Usually, that means with coal. Clean-burning hydrogen fuel, on the other hand, which ...

Energy & Green Tech

Japan to release treated Fukushima water into sea: reports

Japan will release more than a million tonnes of treated radioactive water from the stricken Fukushima nuclear plant into the sea in a decades-long operation, reports said Friday, despite strong opposition from local fishermen.

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