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20 Subatomic Stories: Is the Planck length really the smallest?
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A reasonable question of physics is if there is a smallest possible size and shortest duration and some scientists have claimed that there is and they are called the Planck length and Planck time. In this episode of Subatomic Stories, Fermilab’s Dr. Don Lincoln explains the truth of the Planck constants. It’s not what you think.
Don Lincoln article in Fermilab Today: “Planck length, minimal length”
Alden Mead’s 1964 paper: “Possible Connection Between Gravitation and Fundamental Length” (subscription required)
Frank Wilczek’s paper on absolute units
Mead and Wilczek’s public conversation
Energy conservation in general relativity: John Baez
Energy conservation in general relativity: Sean Carroll
Fermilab physics 101:
Fermilab home page:
Don Lincoln article in Fermilab Today: “Planck length, minimal length”
Alden Mead’s 1964 paper: “Possible Connection Between Gravitation and Fundamental Length” (subscription required)
Frank Wilczek’s paper on absolute units
Mead and Wilczek’s public conversation
Energy conservation in general relativity: John Baez
Energy conservation in general relativity: Sean Carroll
Fermilab physics 101:
Fermilab home page:
20 Subatomic Stories: Is the Planck length really the smallest?
21 Subatomic Stories: What mysteries might dark matter solve?
24 Subatomic Stories: Where's all the antimatter?
12 Subatomic Stories: What scientists know about neutrino masses
23 Subatomic Stories: Dark energy and the fate of the universe
19 Subatomic Stories: How we know black holes exist
15 Subatomic Stories: The truth about black holes
25 Subatomic Stories: What's smaller than quarks?
17 Subatomic Stories: What happens when you fall into a black hole?
30 Subatomic Stories: Can we find a theory of everything?
26 Subatomic Stories: How the Big Bang really happened
11 Subatomic Stories: The Heisenberg uncertainty principle
27 Subatomic Stories: When the universe expanded faster than light
7 Subatomic Stories: Antimatter
14 Subatomic Stories: Where Einstein failed - quantum gravity
32 Subatomic Stories: Is supersymmetry real?
22 Subatomic Stories: Why dark matter seems likely
18 Subatomic Stories: When black holes evaporate
13 Subatomic Stories: Why general relativity is definitely right
28 Subatomic Stories: Before the Big Bang
31 Subatomic Stories: Why are extra dimensions possible?
33 Subatomic Stories: Does the multiverse exist?
10 Subatomic Stories: Understand neutrino oscillations like the pros
5 Subatomic Stories: Forces the Feynman way
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