I found this really cool, this is Clifford Stoll who had about 15 min of fame back in the mid-80's...this is what he is doing today...he is "The Man with 1000 Klein Bottles Under His House:
View: https://www.youtube.com/watch?v=-k3mVnRlQLU
How do you make Klein bottles? That's another story in itself:
alumni.berkeley.edu
Cheers!
How do you make Klein bottles? That's another story in itself:
At first, Stoll had a hard time finding someone to make Klein bottles. He tried a bong peddler on Telegraph Avenue, but the guy took Cliff’s money and disappeared. “I realized that the trouble with bong makers is that they’re also bong users.”

How a Berkeley Eccentric Beat the Russians—and Then Made Useless, Wondrous Objects
Clifford Stoll is currently the sole proprietor and sole employee of Acme Klein Bottles, a business he runs out of his home on Colby Street in North Oakland. One of the quirky company’s many mottoes is, “Where yesterday’s future is here today.”
Cheers!