Making soda from scratch
Jens swapped equations for fermentation, sharing a video about making homemade soda with water kefir.
Jens Fehlau, also known as Papa Flammy, is a German YouTube creator known for worked maths problems, physics lessons and mathematical comedy.
At 100 nudges, fangea sends Jens’s team an official invite.
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Jens’s happenings, collected from public sources, plus his backstory and Starbook, where fans write.
Jens swapped equations for fermentation, sharing a video about making homemade soda with water kefir.
He posted “Thank you for everything.”, a farewell video whose description ends with a brief goodbye.
In “We are so Cooked”, he worked through an unusual nested integral in what he described as one last improvised session.
“You Think you Know Math?” takes a seemingly easy calculus problem into Lambert-function territory.
He released another “This Differential Equation is Nuts” video, this time tackling a differential equation involving trigonometry.
Follow Jens for maths, physics and his latest experiments.
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