31–40 of 48 posts
Reflect's website banner announces $6.5 million seed round led by Sequoia. A few comments here claim to have run the numbers. With negative results. How do seed rounds with name-brand VC work? Please tell me an independent party would have been paid to do due diligence on the feasibility of the approach. Or is this perhaps an investment in the team with an openness to pivot.
I prefer it to be dark at night. I’d make every streetlight 60% less bright if I could. Sorry, but I hate this idea.
I’m curious to know the effects of beaming additional solar energy to Earth on climate change. I can’t imagine it’d be good.
One important thing to note is that the climate change is not caused by the heat we released into the atmosphere. It's due to the change in the power equilibrium of the Earth caused by the greenhouse gases we released.
A key thing that would make this easier than it'd naively seem, is that human perception of ambient light levels (like many kinds of human sense) is sort-of logarithmic. Twilight is just 10^{-5} – 10^{-4} the illumination level of sunlight,
https://www.engineeringtoolbox.com/light-level-rooms-d_708.h...
(That is, to my naive first take: a 100 x 100-meter collector in orbit intercepts enough sunlight to bring a 10km x 10km city to bright twilit level).
Earlier quoted context omitted.
Or just put mirrors on the ground to reflect the sunlight back out /s
Honestly, I don't think you need the /s. The satellites are dumb and would have a negligible effect. But if you want to offset the heat just to be on the right side, some mirrors or simply white surfaces on the ground could do the job.
I think this could be life-changing for cities at high latitudes. You wouldn't even need that much: simple twilight-levels of illumination would a long way towards helping people's psychology and quality-of-life in winter. A key thing that would make this easier than it'd naively seem, is that human perception of ambient light levels (like many kinds of human sense) is sort-of logarithmic. Twilight is just 10^{-5} –…
> selling sunlight Sounds like an eco disaster to me. Some things only happen when it's dark... I'm amazed I almost never read about a much more viable alternative: inter-continental power transmission cables. There are a few projects: UK buying electricity from Morocco, Singapore buying electricity from Australia. Both implemented using undersea power transmission cables. If this could be implemented on a global sca…
Earlier quoted context omitted.
Honestly, I don't think you need the /s. The satellites are dumb and would have a negligible effect. But if you want to offset the heat just to be on the right side, some mirrors or simply white surfaces on the ground could do the job.
what's the /s?
Earlier quoted context omitted.
Honestly, I don't think you need the /s. The satellites are dumb and would have a negligible effect. But if you want to offset the heat just to be on the right side, some mirrors or simply white surfaces on the ground could do the job.
what's the /s?
It evolved from the fake HTML tag "" to "" [1] (not referring to the actual strikeout tag), to "/s".
[1] https://www.urbandictionary.com/define.php?term=%3C%2Fs%3E