Asimov’s vision of harvesting solar power from space could become a reality

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Isaac Asimov's idea of harvesting solar power from space may not be a thing of fiction much longer as space agencies explore the concept.

It’s an idea straight out of science fiction: A space station orbits around Earth, harvesting energy from the sun and beaming it down to our planet. Isaac Asimov popularized the concept in his 1941 story Reason, and futurists have been dreaming about it ever since.

However, it’s not without its problems. One of the biggest issues is with storage, as energy can only be collected during daylight hours, and it needs to be stored in large batteries to provide power during the night. It’s also dependent on good weather, as cloud cover will reduce the amount of energy that can be collected.

To make a power station, we’d need much larger solar panels than those used on spacecraft, and we’d need to design the hardware to handle high voltages. But that should be a matter of incrementally improving on current technologies rather than having to create entirely new solutions. A small, cooperative community The challenges of a futuristic power system aren’t only technological, though. There’s also the problem of infrastructure. Even if we are able to harvest solar energy from space, we need infrastructure on Earth to distribute that power to where it’s needed. Who will bear this cost?

The moon as a steppingstone One promising venue for testing a newly developed power system might surprise you. Rather than sending power from space to Earth, we could test a system by first sending power from space to the moon.By setting up a system to collect solar power in space and transmit it to the moon’s surface, “you can demonstrate practically all the key technologies” for a similar system for sending power to Earth, Summerer said.

 

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