3 ms·
That means they're right at the Rayleigh length. You'd need a significantly wider beam or higher frequency to send power from orbit. https://en.wikipedia.org/w
by scythe 5y ago
That means they're right at the Rayleigh length. You'd need a significantly wider beam or higher frequency to send power from orbit.
https://en.wikipedia.org/wiki/Rayleigh_length https://en.wikipedia.org/wiki/Rayleigh_length
- DennisP 5y agoIn fact, SPS designs involve receivers measured in square kilometers. But they'd be mostly wire and would only contribute about 0.7 cents/kWh to the cost.