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.

Engineering

Eliminating low-frequency noise using a chiral metabeam

The soft whirring sound of low-frequency vibrations cannot be easily detected because it is not loud. But once detected, it can be hard to ignore. Often, residents complain of the annoyance caused by low-frequency vibrations ...

Business

Tesla holds 'Giga Fest' at disputed German factory

With a big wheel, music and an appearance by CEO Elon Musk, Tesla pulled out all the stops Saturday to win over opponents of the electric carmaker's controversial new "gigafactory" near Berlin.

Internet

Feds: $401M will add high-speed internet to rural US places

The federal government is pledging $401 million in grants and loans to expand the reach and improve the speed of internet for rural residents, tribes and businesses in remote parts of 11 states from Alaska to Arkansas.

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