High speed rail between LA and Las Vegas gets $3bn boost

A proposed high-speed rail line linking Los Angeles with the US gambling and entertainment capital Las Vegas moved closer to reality Tuesday with the announcement of a $3 billion government grant.


Using drones to protect wind turbines from ice

Damp, cold conditions are the enemy of wind power. If a layer of ice forms on the rotor blades, this can result in rotational imbalance and, hence, increased wear. In such cases, the turbines often have to be shut down for ...

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