In the year 2000, we celebrated the first Gigawatt of photovoltaics - after more than 40 years of research and implementations. Now, we install that capacity twice a day.
@solarpapst am iI the only one guessing what happen in 1954?
@perina @solarpapst 1954 – The first practical photovoltaic cell was publicly demonstrated at Bell Laboratories.[21] The inventors were Calvin Souther Fuller, Daryl Chapin and Gerald Pearson.[22] (https://en.wikipedia.org/wiki/Solar_cell)