How Many Holes Does A Drinking Straw Have?

The debate around how many holes a straw has, is one of fascinating debates to be a part of! There are those who say there are two holes while some feel there is only one whole. Some have gone so far as to claim that a straw has zero holes! By leveraging math and topology, this video explains why a straw is a cylinder with two circles at each end, but ultimately has only one hole as it can't be shrunk to a point. Watch this video to know more. #straw #howmanyholes #topology Stock Video Source: elements.envato.com , pexels.com , pixabay.com Stock Image Source: elements.envato.com , pexels.com , pixabay.com Stock Music Source: elements.envato.com References: https://blogs.scientificamerican.com/roots-of-unity/what-we-talk-about-when-we-talk-about-holes/ https://mathworld.wolfram.com/Hole.html https://mathworld.wolfram.com/BettiNumber.html Original Article Link: https://www.scienceabc.com/eyeopeners/how-many-holes-does-a-drinking-straw-have.html If you wish to buy/license this video, please write to us at admin@scienceabc.com. Voice Over Artist: John Staughton ( https://www.fiverr.com/jswildwood ) SUBSCRIBE to get more such science videos! https://www.youtube.com/channel/UCnI0aFeBzWBiiXiHp56kaqQ?sub_confirmation=1 Follow us on Twitter! https://twitter.com/abc_science Follow us on Facebook! https://facebook.com/sciabc Follow our Website! https://www.scienceabc.com