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SIO424: Semen Caught Violating Newton's 3rd Law? (the one about cum)
Feb 1, 2024
Astrophysicist Dr. Bryan Gillis returns to discuss a quirky topic - sperm violating Newton's 3rd Law. They dive into the amusing scenario of a sperm mug shot, explore contra positives in logic with animal classification, and analyze the implications of violating Newton's 3rd Law on fundamental physics. The podcast delves into semen viscosity, sperm physics modeling, and challenges traditional physics assumptions in a fun and informative way.
48:41
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Quick takeaways
- The study introduces odd elasticity to model sperm tail motion, simplifying calculations by allowing violations of Newton's third law.
- Abstract quantities known as PCA modes characterize the predictable wavelike movement of sperm tails.
Deep dives
Modeling Sperm Tail Motion
The study explores the motion of sperm tails by modeling them as a chain of springs connected to individual points. By allowing violations of Newton's third law, the tail can maintain a periodic motion that mimics its actual movement. This modified model, known as odd elasticity, simplifies calculations without increasing complexity.
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