Fine-structure constant
Concept
A fundamental physical constant that defines the strength of electromagnetism. Its formula includes the electron charge, vacuum permittivity, Planck's constant, and the speed of light.
Mentioned in 2 videos
Videos Mentioning Fine-structure constant
What If The Speed of Light is NOT CONSTANT?
PBS Space Time
A fundamental physical constant that defines the strength of electromagnetism. Its formula includes the electron charge, vacuum permittivity, Planck's constant, and the speed of light.
Alien Debate: Sara Walker and Lee Cronin | Lex Fridman Podcast #279
Lex Fridman
A fundamental constant in physics, also used as an analogy for the proposed 'assembly threshold' where life-governing physics becomes active.