how invented ring and ballon
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A hot air balloon is a lighter-than-air aircraft consisting of a bag, called an ... In modern sport balloons the envelope is generally made from nylon fabric and the inlet of the balloon ...
TheRavi:
phle sanskar sikh lo phir aana
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Answer: Joseph-Michel and Jacques-Étienne Montgolfier
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The French brothers Joseph-Michel and Jacques-Étienne Montgolfier developed a hot air balloon in Annonay, Ardeche, France and demonstrated it publicly on September 19, 1783, making an unmanned flight lasting 10 minutes.
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