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"Deep Voice Gas Sulfur Hexafluoride" Nickipedia: Ep.10

Key Facts In This Video

  1. When moving through air, your voice travels at 343 m/s; when moving through sulfur hexafluoride, it travels at 134 m/s. 00:11

  2. Sulfur hexafluoride is about five times more dense than air. 01:55

  3. Sulfur hexafluoride is used as a filler gas in tennis balls. 02:54