Yeah, we are pretty good at handling risks... as evidenced by our decision to not put steam engines in all our cars. Engineering solutions have to exist; we ca

Yeah, we are pretty good at handling risks... as evidenced by our decision to not put steam engines in all our cars. Engineering solutions have to exist; we can not just will them into being. See also "why our electric cars have not improved in battery density by a factor of magnitude in the past 10 years".