“@itsALLrisky And that’s just for Earth! Mars has zero human population. We need a lot of people to b…”

“Population collapse is potentially the greatest risk to the future of civilization https://t.co/VVN8…”

“@skorusARK Cars today are far more complex than Model T, with a global supply chain that is vulnerab…”

“@Gfilche Ships are probably fine with iron cells, but aircraft need very high energy density for goo…”