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Charles, Jacques Alexandre César
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Charles, Jacques Alexandre César
French physicist who studied gases and made the first ascent in a hydrogen-filled balloon in 1783. His work on the expansion of gases led to the formulation of Charles's law.
Hearing of the hot-air balloons of the Montgolfier brothers, Charles and his brothers began experimenting with hydrogen balloons and made their ascent only ten days after the Montgolfiers' first flight. In later flights Charles ascended to an altitude of 3,000 m/10,000 ft.
© Research Machines plc 2008. All rights reserved. Helicon Publishing is a division of Research Machines plc.
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Initially the sun and moon had human faces, but they were removed when the flag was updated in 1962. The flag is said to express the hope that Nepal will endure as long as the sun and the moon. The blue border symbolizes peace. Effective date: 16 December 1962.
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