Title: Newton’s Third Law of Motion: Scientists Puzzled as Human Sperm Defies Physics
Subtitle: How the Unique Properties of Sperm Cells Defy Newton’s Laws
Date: [Current Date]
By Pierre Herubel
Newton’s Third Law of Motion, which states that every action has an equal and opposite reaction, has long been a foundational principle in science. However, this law appears to break down in an unexpected domain – within our own bodies. Human sperm cells, with their peculiar shape and astonishing mobility, seem to defy the laws of physics simply by existing.
Sperm cells, with their distinctive blob-like heads and exceptionally long tails, possess unique characteristics that challenge our understanding of Newton’s laws. Despite their appearance, they are capable of defying the laws of motion.
Both human sperm cells and the Chlamydomonas algae move by wiggling their tails, also known as flagella. While this motion might seem ordinary, physicists are perplexed as to how it is possible. According to theoretical physics, the fluid surrounding the sperm cells should dissipate all the energy they exert, causing them to remain stationary.
What makes these sperm cells exceptional is the inherent elasticity of their shape-shifting flagella. This distinctive property, known as the “odd elastic modulus,” allows them to move without losing a significant amount of energy to the surrounding environment. The odd elastic modulus appears to contradict Newton’s Third Law and has become a topic of study in the scientific community since its introduction in 2019.
Understanding the precise mechanisms behind the agile movement of sperm cells could provide valuable insight into evolution and microorganism behavior. By calculating the odd elastic modulus for various microorganisms, scientists hope to gain a deeper understanding of how they defy Newton’s laws. This knowledge could also assist in the development of soft, elastic robots that harness this “non-reciprocity.”
The research findings on this intriguing subject have been published in PRX Life, and the complete study can be accessed through this https://www.businessinsider.in/science/news/human-sperm-cells-do-not-care-about-newtons-third-law-of-motion-and-scientists-dont-know-why/articleshow/104653017.cms(https://archive.ph/o/xXbmn/https://journals.aps.org/prxlife/abstract/10.1103/PRXLife.1.023002).
In conclusion, the paradoxical movement of human sperm cells challenges the conventional understanding of Newton’s Third Law of Motion. As scientists delve deeper into the intricacies of these enigmatic swimmers, new discoveries may have far-reaching implications for our understanding of physics and the development of future technologies.
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