Satellite beams solar power down to Earth, in first-of-a-kind demonstration(science.org)

1 pointsby activiation3 yıl önce1 comments

Satellite beams solar power down to Earth, in first-of-a-kind demonstration

https://www.science.org/content/article/satellite-beams-solar-power-down-earth-first-kind-demonstration

1 comments

> The transmitted power was small, just 200 milliwatts, ...

But the main question is: how much power was received? And at what distance? And at what efficiency ratio?

Any music station transmits power to the receiver, but what is the ratio between power transmitted and the power received? That doesn't matter if you just want to listen to some hip-hop, it does matter if you want usable energy transfer.