the.com/solar panels
rooftop alchemy that turns sunbeams into your netflix subscription.
means devices made of photovoltaic cells that convert sunlight directly into electricity via the photoelectric effect.
from einstein won his nobel prize not for relativity but for explaining the photoelectric effect in 1905, the physics that makes solar cells work; bell labs built the first practical silicon solar cell in 1954, initially so expensive it only made sense for satellites.
efficiency ceilingbest commercial panels convert only 22-23 percent of sunlight.
lifespanpanels still produce power after 25-30 years, just less.
space originpowered vanguard 1 satellite before hitting suburban rooftops.
price crashcosts dropped over 99 percent since 1976.