How Much Power Is 1.21 Gigawatts, Anyway? The Science Behind Back to the Future - eviltoast
Back to the Future's 1.21 gigawatts sounds huge, but is it? We compare different power levels of common objects to see how much energy a gigawatt really is.

Back to the Future’s 1.21 gigawatts sounds huge, but is it? We compare different power levels of common objects to see how much energy a gigawatt really is.