This is the shocking moment a hydrogen balloon caught fire in a Chinese restaurant. Surveillance footage shows an elderly ...

XIII fighter is 2nd Lieutenant Frank Luke. He’s about to take down his first German observation balloon. The Germans have ...

A balloon filled with hydrogen gas also releases heat when lit on fire. Due to differences in energy density, the crystallization of sodium acetate releases more heat per mole than the hydrogen gas ...

He flew his first hydrogen gas balloon in Paris in March 1784. Later that year, he arrived in England, preparing for a risky journey across the 20-mile Strait of Dover between England and France.

The September test flight sent an uncrewed capsule into flight beneath a 550-foot-tall polyethylene hydrogen-filled balloon ...

De Rozier's experimental system consists of a hydrogen balloon and a hot air balloon tied together. Tragically, the craft explodes half an hour after takeoff. This double balloon helium/hot air ...

Ultimately enough hydrogen gas was collected to fill a lot of party balloons, and with the provided information in the video it should be quite straightforward to reproduce the system. Where the ...

Explorer II, a helium balloon, reached 22,066 meters with two Army Air Corps Captains aboard. It’s predecessor, Explorer I, was a hydrogen balloon, and despite reaching 18,475 meters ...

Why not fly in a hydrogen balloon to become the first to discover the North Pole, then as mysterious and unknown as Mars? For years explorers had attempted to reach the Pole overland; many died ...

A balloon filled with hydrogen gas also releases heat when lit on fire. Due to differences in energy density, the crystallization of sodium acetate releases more heat per mole than the hydrogen gas ...