Get a three year subscription to Private Internet Access with two extra free months for only $2.08/month: https://www.privateinternetaccess.com...

The Gluggle Jug, or Glug Glug Jug has a really interesting mechanism. And it took way longer to work out how it works than I thought it would.

You can also discuss this video on REDDIT: https://stvmld.com/wm_wtfek

Mark Rober's beer bottle video:    • Bare Hand Bottle Busting- Science Inv...  
Smarter Every Day's poop splash video:    • Poop Splash Elimination - Smarter Eve...  

You can buy my books here:
https://stevemould.com/books

You can support me on Patreon here:
  / stevemould  

just like these amazing people:

Frank Hereford
Will Ackerly
Brendan Williams
Matthew Cocke
Frederic Merizen
Joel Van der loo
Glenn Watson
Doug Peterson
Paul Warelis
John Zelinka
Alnitak
Grant Hay
Heather Liu
Marshall Fitzpatrik
Lukas Biewalk
JJ Masson
Ben McIntosh
Damien Szerszinski

Twitter:   / moulds  
Instagram:   / stevemouldscience  
Facebook:   / stevemouldscience  
Buy nerdy maths things: http://mathsgear.co.uk