# Search PBS Space Time

## Results

### 2022-12-08: How Are Quasiparticles Different From Particles?

• 06:47: They have energy equal to the planck constant times their frequency.

### 2022-10-12: The REAL Possibility of Mapping Alien Planets!

• 19:23: ... squared divided by 4pi time   the vacuum permittivity the Planck constant times the speed of light. If the fine structure ...

### 2022-06-01: What If Physics IS NOT Describing Reality?

• 08:49: ... in a particle’s position and momentum has to be  greater than the Planck constant divided by ...

### 2022-05-04: Space DOES NOT Expand Everywhere

• 10:52: ... - it’s just defined as a combination of the Gravitational constant, the Planck constant, and the speed of light - so if those aren’t changing - and there’s no ...

### 2021-07-07: Electrons DO NOT Spin

• 12:13: ... momenta can only be observed as plus or minus a half times the reduced Planck constant,   projected onto whichever direction  you try to measure it. We call ...

### 2021-06-16: Can Space Be Infinitely Divided?

• 01:16: ... on a single  number that appears in his equation - the   Planck constant. It represents the  chunkiness of thermal radiation.   ...
• 02:21: ... the Planck constant comes the Planck length.   It’s the length you get when you ...

### 2019-11-11: Does Life Need a Multiverse to Exist?

• 00:50: ... are things like the speed of light, the Planck constant, the masses of the elementary particles, and the constants defining the ...

### 2018-10-31: Are Virtual Particles A New Layer of Reality?

• 12:31: ... his Planck law without an artifact of that quantum nature-- namely, the Planck constant. ...

### 2017-11-29: Citizen Science + Zero-Point Challenge Answer

• 07:49: The frequency of a photon with the Planck energy is the Planck energy divided by the Planck constant, or an insane 3 by 10 to the power of 42 hertz.

### 2017-11-02: The Vacuum Catastrophe

• 01:55: ... the vacuum state of any fuel oscillation must be half of the tiny Planck constant times the frequency of that ...

### 2017-06-21: Anti-Matter and Quantum Relativity

• 05:55: It contains the marks of both quantum mechanics, in the Planck constant, and relativity, in the speed of light.

### 2016-06-22: Planck's Constant and The Origin of Quantum Mechanics

• 00:03: ... episode is supported by "The Great Courses Plus." The Planck constant defines the size scale at which the familiar physics of our macroscopic ...
• 00:23: In fact, you can see the effect of this quantum behavior and even measure the Planck constant just by observing the color of sunlight.
• 01:45: The tiny Planck constant, at 6.63 by 10 to the minus 34 joule seconds, sets the scale of this quantum blurriness.
• 02:04: In fact, the Planck constant appears in essentially all equations that describe quantum phenomena.
• 02:36: It may define the scale of quantum reality, but the influence of the Planck constant can be seen even on our scale.
• 02:49: If the Planck constant were 25% smaller, the sun would be violet, all else being equal.
• 07:48: That number became the Planck constant.
• 08:40: In that case, the Planck constant would have canceled out in the final equation, but it didn't.
• 08:47: The Planck constant is firmly entrenched in the Planck blackbody law.
• 08:55: Now the actual value of the Planck constant still had to be measured.
• 09:10: ... know the Planck law and an object's temperature, you can calculate the Planck constant just by finding the brightest part of an object's heat glow, for ...
• 09:52: ... of energy equal to the now familiar frequency of the wave times the Planck constant. ...
• 10:27: And that little number that Max Planck came up with in his moment of desperation-- the Planck constant-- remains at the heart of all things quantum.
• 10:38: ... defining the shape of the blackbody spectrum, the Planck constant can be read in the color of the sun and the stars, in the brightness of ...

### 2016-06-01: Is Quantum Tunneling Faster than Light?

• 02:33: In fact, it's the minuscule Planck constant divided by momentum.
13 result(s) shown.