Y
HN Search
Hacker News Search
new
|
comments
|
top
|
jobs
hakonjdjohnsen
searching PlanetScale…
1.
▲
2.
▲
3.
▲
4.
▲
5.
▲
6.
▲
5 ms
·
31.
▲
by
hakonjdjohnsen
2y ago
Yes, and it is super-interesting! The fundamental limit is given by the 2nd law of thermodynamics - you can never reach higher temperatures than the surface of the sun, or around 5800 K. We have the atmosphere that absorbs and scatters some
32.
▲
by
hakonjdjohnsen
2y ago
Yeah exactly! I like your cable-drive concept by the way. Did you describe it in more details anywhere? Heliogen were also developing a cable-drive system for their commercial heliostats, but I don't know if they are still working on i
33.
▲
by
hakonjdjohnsen
2y ago
Cool work! I do research in nonimaging optics, the optics of achieving high concentration ratios (or wide tolerances to errors) in solar concentrators. I like that you are implementing closed-loop control. This is all the rage also in large
34.
▲
by
hakonjdjohnsen
3y ago
You mention renewables and especially solar as a contributing factor to these negative prices when combined with capacity constraints. Can you explain how this works? A PV installation can easily start and stop production as long as the sun