2026-04-20 07:08 UTC
Quickly glancing through the paper it doesn't really seem to support your claim. They attribute their major losses to the parabolic reflector (meaning they don't have very well concentrated microwave beams?), and say that developing higher efficiency focusing components is important work for the future. I'm kind of guessing that's one thing the Chinese are doing.
Still, I'm sure there are relevant losses even in properly focused microwave beams. How much that is, I have no clue, and didn't see it addressed in the paper. Might have missed it - it was a *very* quick glance. :)
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@Atomic@sh.itjust.works 2026-04-20 11:46
I'll be honest, I didn't exactly proof read every word either. I think what they meant with parabolic reflector is the reciever. They mentioned they 3d printed a reciever to achieve recors breaking efficency (short range). It's not so easy to gather and convert the microwaves into electric energy. And it's probably not very easy to create a concentrated beam either. But that was my interpretation. I'm not going to pretend I understand everything about this. I could be wrong. I think the technology to have satellites charge drones in the sky is at least 50 years away.