Lucas Clarke crafts a glass Klein Bottle. See https://brilliant.org/numberphile for Brilliant and get 20% off their premium service (episode sponsor)
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See the whole process as a timelapse video:    • Making a Klein bottle (Timelapse) - N...  

Lucas Clarke blows glass at Simon Fraser University - https://www.sfu.ca
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More videos on our Klein Bottle playlist: http://bit.ly/KleinBottles
Cliff Stoll playlist: http://bit.ly/Cliff_Videos

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