August 26, 1740, in Annonay, France, Joseph-Michel Montgolfier is born, inventor, along with his brother Jacques-Étienne, of the hot air balloon.

On this day (August 26), 1740, in Annonay, France, Joseph-Michel Montgolfier, inventor, together with his brother Jacques-Étienne, of the hot air balloon, was born in Annonay, France.
The Montgolfier brothers , Joseph-Michel Montgolfier born on August 26, 1740 and Jacques-Étienne Montgolfier born on January 6, 1745 they were pioneers of aviation, hot air balloons and paper manufacturers of the commune of Annonay. in Ardèche , France.
Historically they are best known as inventors of the balloon aerostat Montgolfière style, globe aerotatique, which launched the first confirmed piloted ascent by man in 1783, carrying Jacques-Étienne. Joseph-Michel also invented the self-acting hydraulic ram(1796) and Jacques-Étienne founded the first vocational school for papermaking.
A hot air balloon is a lighter plane than air consisting of a bag, called an envelope, containing hot air. Suspended below is a gondola or wicker basket (in some high-altitude or long-distance balloons, a capsule), which it carries passengers and a heat source, in most cases an open flame caused by burning liquid propane .
The hot air inside the casing makes it buoyant since it has a lower density than the cooler air outside the envelope. As with all aircraft , hot air balloons cannot fly beyond the atmosphere.. It is not necessary to seal the envelope at the bottom, since the air inside the envelope has approximately the same pressure as the surrounding air.
As a curiosity, comment that the brothers invented a process to make transparent paper.
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- I'm looking for Montgolfier
- is it important?
- very important?
- quite a lot
- why?
- your house is on fire
- well what bad luck
- why?
- do you see that in the sky?
- that weird black cloud?
- that
- yes, I see it
- well it's Montgolfier with his new balloon invention
- oh wow, what a bad luck
- what a surprise she's going to get when she goes down

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