As seen and explained in the video above, smoke from a recently extinguished candle is flammable and, if ignited, will re-ignite the candle itself.
NOW I KNOW is a free daily newsletter of incredible things; you’ll learn something new every day!
Written and distributed by Dan Lewis.
Click here to learn more about NOW I KNOW, or to subscribe.
Click here to see the full archives.
Click here to search the archives.

Become a fan!
Follow Dan on Twitter
Subscribe