Energy & Green Tech

Eco-friendly mud houses make comeback in Hungary

They were long derided as old-fashioned symbols of grinding poverty, but mud and straw houses are making a comeback in Hungary as a low-cost, eco-friendly alternative to concrete.

Engineering

Turbine cooling turns night into day

Keeping turbines running efficiently during a hot Australian summer's day can be hard work. But a new technology is drawing on the cold night air to make it easier.

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