Why your coffee makes a weird sound - The Hot Chocolate Effect
Steve Mould 4:50
383,273 views · 13,750 likes Watch on YouTube ↗
Make some instant coffee, give it a stir then tap the rim of the mug. You'll notice a steady rising in pitch.
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Listen to our Domestic Science radio show here:
http://festivalofthespokennerd.com/tv-radio/
Visit my blog here: http://stevemould.com
Follow me on twitter here: http://twitter.com/moulds
Buy nerdy maths things here: http://mathsgear.co.uk
Category (YouTube): Science & Technology
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