Fully renewable electricity could be competitive

(Phys.org) —A carbon price of between $50 and $100 per tonne of carbon dioxide would make coal-fired and gas-fired power less economical than renewable electricity, a UNSW study shows.

How to build a moon base

Half a century after humans first walked on the moon, a number of private companies and nations are planning to build permanent bases on the lunar surface. Despite the technological progress since the Apollo era, this will ...

The Navy is testing beaming solar power in space

Solar power has become a focal point of the battle to mitigate climate change. The potential of solar power is massive—Earth receives as much solar energy in an hour as all of humanity uses in a year. Even with that much ...

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