Why Weren't Hot Air Balloons Invented Sooner?
"A medieval European painting by Giotto Di Bondone of a hot-air balloon flying above a city as onlookers watch" by Dalle-2 TL;DR Hot air balloons certainly could have arrived at least decades earlier and there's a high chance they could have arrived centuries, possibly even millennia earlier. Jason Crawford asks,...
Oct 18, 2022128