Energy & Green Tech

Pollution-free hydrogen: green energy breakthrough?

Scientists said Tuesday they have developed a way of extracting hydrogen from oil without releasing greenhouse gases—a breakthrough they hailed as a "silver bullet" for cleaner energy and the climate.

Engineering

An advanced sand dam that can provide water in times of drought

The Korea Institute of Civil Engineering and Building Technology announced the development of Korea's first sand dam capable of supplying stable water to residents of mountainous highlands during periods of water shortage ...

Engineering

Saving railways from sand

In desert regions and sandy coastal areas, windblown sand can bury infrastructure such as railways, and cause problems such as train derailment, grinding down rails or wheels and wearing down coatings on the nose of high-speed ...

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