Why Flames Always Point Upwards (Except in Space)

The video explains why a candle flame points upwards, attributing it to the properties of hot air, which is less dense than cold air, causing it to rise. This is similar to how a helium balloon rises. The video also explores how gravity affects flame behavior, showing that in microgravity, such as on the International Space Station, flames do not point upwards but form a sphere due to the absence of gravity's pull.

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