Uploaded September 2016 | Updated September 2026, 1 week ago

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Here's a Schlieren video of a candle being sucked in by a fan. The candle never extinguishes, but at some points, it will look like it has until I pull it away from the fan.

If you want to set up your own Schlieren system at home, watch my video on this topic, linked to here:
goo.gl/ku7f0t