talksalot
Platinum Member
- Feb 27, 2013
- 1,777
- 1,198
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Hot air rises because it's less dense.I rarely listen to any speeches, but tonight, I'm making an exception. So far, it's been very uplifting.
Hot air rises. Science tip for the day.
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Hot air rises because it's less dense.I rarely listen to any speeches, but tonight, I'm making an exception. So far, it's been very uplifting.
Hot air rises. Science tip for the day.