Where did the Montgolfier brothers conduct their first public demonstration of an unmanned flight on June 4, 1783?
Answer
Annonay
The first public demonstration of a Montgolfier balloon occurred in their hometown of Annonay, France. This unmanned flight utilized a large silk bag covered in paper to demonstrate the fundamental principle that hot air, being less dense than cooler air, could successfully carry weight skyward. The event was held before the Estates of the Vivarais region, serving as a critical public announcement of their technological achievement and scientific progress.
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