4 ms·
Yep, solar cells are similar. So many 20% efficiency increases, they should be at 200% by now.
by madengr 9y ago
Yep, solar cells are similar. So many 20% efficiency increases, they should be at 200% by now.
- icebraining 9y agoIf every year you lose 20% of your money, how long does it take until you're in the negative?
- madengr 9y agoIf you have a solar cell that starts with 20% efficiency, how many years of “20% increase claims” does it take to reach 200% ?