3 hot air balloons crash in Wyoming, injuring up to 20 people
As many as 20 people were injured when three hot air balloons crashed in Wyoming Monday morning.
Balloons
3 hot air balloons crash in Wyoming, injuring up to 20 people
As many as 20 people were injured when three hot air balloons crashed in Wyoming Monday morning.
Hydrogen Balloons Could Elevate Telegraph Wires above Rivers
Originally published in November 1845 — Read more on ScientificAmerican.com