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cover of episode Unexplainable or Not: Bikes, planes, ice skates

Unexplainable or Not: Bikes, planes, ice skates

2023/1/4
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Unexplainable

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A
Avery Trufelman
B
Brian Resnick
无可用信息
M
Meredith Hodna
N
Noam Hassenfeld
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Meredith Hodna:我们对湍流的了解非常有限,无法预测其发生和强度,这对于低空飞行器和未来交通工具(如喷气背包)的安全性至关重要。 Avery Trufelman:她对我们可能永远无法完全理解湍流的可能性表示认同,并认为这种不确定性本身就具有一定的美感,即使在飞机飞行中遇到湍流时也是如此。她更倾向于认为这是一个无法解释的现象。 Brian Resnick:冰的滑溜特性是一个长期以来未解的科学谜题,理解它有助于我们更好地理解冰川的运动等现象。他介绍了几个被提出的解释,例如压力融化和摩擦生热,但这些解释都被证明是站不住脚的。 Noam Hassenfeld:自行车能够保持平衡的机制是一个长期未解的谜团。他介绍了两个曾经被认为是主要原因的理论:陀螺效应和转向效应。然而,实验表明,即使消除了这些效应,自行车仍然能够保持平衡,这说明还有其他更深层次的原因需要探索。 Avery Trufelman:她最初对冰的滑溜特性做出了基于日常经验的猜测,认为冰的温度不会低到绝对冻结,所以会略微融化,导致滑溜。 Brian Resnick:他详细解释了为什么压力融化和摩擦生热无法解释冰的滑溜特性,并强调了冰的这种看似简单的特性背后隐藏着更深层次的物理原理。 Noam Hassenfeld:他详细介绍了关于自行车平衡的两个主要理论(陀螺效应和转向效应),并解释了为什么这些理论最终被证明是不完整的,以及为什么这个问题仍然是一个未解之谜。

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Chapters
The chapter explores the mystery of turbulence, focusing on how it affects planes and why it's difficult to predict. It discusses the Navier-Stokes equations and the million-dollar prize for solving them, highlighting the broader implications of understanding fluid dynamics.

Shownotes Transcript

Our game show is back! This week, Avery Trufelman, host of the Articles of Interest podcast, tries to guess which of these three mysteries of movement have been solved and which are still unexplainable.

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