The Most Disgusting Science Experiment I've Ever Seen, Or A Terrifying Wake-Up Call?

I think we're all aware that cigarettes contain tar and other carcinogens, but I didn't realize just how gnarly that stuff looks when it goes into someone's lungs. Check out the whole experiment, or just skip straight to 2:37 for the main event. Remember, many smokers put this amount of sludge (and often more) into their lungs every month. If you liked it, share this video in the name of science experiments everywhere. Or share it in the name of something else — I'm not the boss of you.

This experiment uses 400 cigarettes and simulates a 20-pack-per-month habit. For the traditional pack-a-day smoker, this is low.

Note from the producer and creator of this project:
"During running this experiment, the speed and air pressure of the machine was very high and strong, made it difficult to stop and catch some of the filters before burning a cigarette up to the end. Some filters burned down and sucked down into the water inside the bottle, what you see at the end of the video, the black substance, is tar mixed with the ashes of burned filters, that is what made it hard and look dry after boiling. The pure tar is sticky and usually remains softer than what you saw in this video."

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