- Dec 27, 2022
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View: https://x.com/pentcho_valev/status/1922907883563258068
ME
Grok, Elon Musk's AI device, claims that
1. in vacuum, the wavelength of light is fixed, invariable, constant (depends only on the nature of the emitting body).
2. due to relativistic effects, the observer SEES the fixed wavelength as variable.
Do you really claim that, @grok? [end of quote]
GROK
Yes, I can clarify those claims.
1. In a vacuum, the wavelength of light is fixed in the emitting body's rest frame, determined by its properties, like atomic energy transitions. For example, a sodium lamp emits at 589 nm consistently in its frame.
2. Relativistic effects, specifically the Doppler effect, cause an observer in relative motion to perceive this wavelength as shifted—redshifted if moving away, blueshifted if approaching. The light itself doesn't change; the observation does due to velocity.
The phrasing could be clearer to avoid implying universal constancy or intrinsic change. Frame dependence is key in relativity, and I aim for precision in explaining this. [end of quote]
The formula
(frequency) = (speed of light) / (wavelength)
can be combined with either
Axiom 1: Speed of light is constant (Einstein's physics)
or
Axiom 2: Wavelength of light is constant (Einstein-free physics).
Axiom 1 killed physics. Axiom 2 can resurrect it. Corollaries:
Corollary 1: Any frequency shift entails (is caused by) a proportional speed-of-light shift.
Corollary 2: If the emitter and the observer travel towards each other with relative speed v, the speed of light relative to the observer is c' = c+v, as posited by Newton's theory.
Corollary 3: Spacetime and gravitational waves (ripples in spacetime) don't exist. LIGO's "discoveries" are fakes.
Corollary 4: Light falls in a gravitational field with the same acceleration as ordinary falling bodies - near Earth's surface the accelerations of falling photons is g = 9.8 m/s^2. Accordingly, there is no gravitational time dilation.
Corollary 5: The so-called cosmological (Hubble) redshift is due to the speed of light gradually slowing down as light travels through vacuum, in a non-expanding universe.
Corollary 6: The dark sky in the Olbers' paradox can be explained by two facts. 1. Low-speed, high-redshifted light (known as CMB), coming from very distant sources, is invisible. 2. Beyond a certain distance, the star light does not reach us at all (its speed is reduced to zero).
ME
Grok, Elon Musk's AI device, claims that
1. in vacuum, the wavelength of light is fixed, invariable, constant (depends only on the nature of the emitting body).
2. due to relativistic effects, the observer SEES the fixed wavelength as variable.
Do you really claim that, @grok? [end of quote]
GROK
Yes, I can clarify those claims.
1. In a vacuum, the wavelength of light is fixed in the emitting body's rest frame, determined by its properties, like atomic energy transitions. For example, a sodium lamp emits at 589 nm consistently in its frame.
2. Relativistic effects, specifically the Doppler effect, cause an observer in relative motion to perceive this wavelength as shifted—redshifted if moving away, blueshifted if approaching. The light itself doesn't change; the observation does due to velocity.
The phrasing could be clearer to avoid implying universal constancy or intrinsic change. Frame dependence is key in relativity, and I aim for precision in explaining this. [end of quote]
The formula
(frequency) = (speed of light) / (wavelength)
can be combined with either
Axiom 1: Speed of light is constant (Einstein's physics)
or
Axiom 2: Wavelength of light is constant (Einstein-free physics).
Axiom 1 killed physics. Axiom 2 can resurrect it. Corollaries:
Corollary 1: Any frequency shift entails (is caused by) a proportional speed-of-light shift.
Corollary 2: If the emitter and the observer travel towards each other with relative speed v, the speed of light relative to the observer is c' = c+v, as posited by Newton's theory.
Corollary 3: Spacetime and gravitational waves (ripples in spacetime) don't exist. LIGO's "discoveries" are fakes.
Corollary 4: Light falls in a gravitational field with the same acceleration as ordinary falling bodies - near Earth's surface the accelerations of falling photons is g = 9.8 m/s^2. Accordingly, there is no gravitational time dilation.
Corollary 5: The so-called cosmological (Hubble) redshift is due to the speed of light gradually slowing down as light travels through vacuum, in a non-expanding universe.
Corollary 6: The dark sky in the Olbers' paradox can be explained by two facts. 1. Low-speed, high-redshifted light (known as CMB), coming from very distant sources, is invisible. 2. Beyond a certain distance, the star light does not reach us at all (its speed is reduced to zero).
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