Commenting with engineer Luis Valle regarding the idea mentioned about measuring light on December 4, 2020, in this same blog, he mentioned the great difficulty of achieving measurable measurements with quantum entanglement.
There is no instantaneous causal transmission between entangled electrons.
Quantum entanglement does not allow for the transmission of signals or observable changes in a controlled manner. There is no way to "trigger" a change in one electron and have it reflected predictably and synchronously in another distant electron.
Induced changes (such as collisions with photons) collapse the quantum state, but the other electron does not physically react in real time in a measurable way.
The entanglement effect cannot be used as a communication or synchronization mechanism (this has been confirmed in numerous experiments, such as those of Aspect and Zeilinger). (Source: GPT Chat).
Confusion between correlation and signal.
Although the electrons are entangled and there are statistical correlations between their measurements, there is no transfer of information or energy between them.
A change in one cannot be used to "stop a stopwatch" based on a change in the other without a classical communication channel, which destroys the idea of measuring one-way time. (Source: ChatGPT).
Considering the impracticality of the procedure, we rethought the experiment, as seen in Figure 1.
It shows a simple laser system with a photosensor, protected by a sealed tube that can be vacuum-packed or filled with different gases. A valve or gas pipette is used to fill and empty the tube.
When the button is pressed, the laser is triggered, emitting a beam of light that strikes the photosensor and simultaneously initializes the precision stopwatch. When the light is detected by the photosensor, it stops the precision stopwatch.
The distance L, divided by the time, gives the one-way speed of the light.
Regarding the controller circuit, it consists of a power supply to power the circuits. The control phase, when the button is pressed, will start the stopwatch; this can be done through a direct signal to the stopwatch. When the light beam hits the photosensor, it will send a signal to an operational module. This is configured to detect potential differences, which will send a stop signal to the stopwatch.
Rectifying is for the wise.
That's all for today, until next time.
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