I'm pretty sure fossil fuels are long from dead, but the article reminded me of this: https://pwg.gsfc.nasa.gov/Education/wtether.html https://pwg.gsfc.nasa.gov

I'm pretty sure fossil fuels are long from dead, but the article reminded me of this: https://pwg.gsfc.nasa.gov/Education/wtether.html https://pwg.gsfc.nasa.gov/Education/wtether.html (You only gain back part of the energy you spent getting into orbit, but I still find it magical).