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Solar modules deployed in France in 1992 still provide 75.9% of original output power
(www.pv-magazine.com)
This is a most excellent place for technology news and articles.
This is gonna sound so dumb... But they had solar panels back then?!
Carter called for solar panels to be installed on the White House in 1979. Modern ones are probably way more efficient but they were definitely a thing.
Solar panels have also been used in space mission for a very long time. The first solar powered probe was Vanguard 1 in 1958
Jesus Christ. Look, back in the Stone Age when I went to school the coolest calculator was the TI-36 Solar. It was already that mundane.
Naturally, I used a non-solar Casio, because I wasn't one of the cool nerds.
damn you just reminded me my mom bought a basic calculator with tiny solar panel 25 years ago : it is still working !
And then there are the calculators with fake solar cell windows