Engineering

Microwave-powered rocket propulsion investigated

Sending a rocket into space typically requires about 90% of the rocket's initial weight to be fuel. This limitation could be overcome by wirelessly transmitting the needed power to the rocket through a beam of microwave radiation. ...

Energy & Green Tech

Biden plan for cleaner power system faces daunting obstacles

If the nation is to meet President Joe Biden's goal of cutting America's greenhouse gas emissions in half by the end of the decade, it will have to undertake a vast transformation toward renewable energy.

Energy & Green Tech

US lab looks to boost power supply ahead of nuclear mission

The U.S. government plans to build a new transmission line and make other upgrades costing hundreds of million dollars to ensure its laboratory in northern New Mexico has enough electricity for ongoing operations and future ...

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