A tachyon is a hypothetical particle that moves faster than the speed of light.Phred101.2 said:What's a tachyon?
That comment is enough to suggest to me that this discussion will not satisfy the forum guidelines: check out the "rules" button on the top toolbar.Phred101.2 said:And no, this is a speculation I'm trying to deal with.
Time and entropy are closely related concepts in physics. Entropy is a measure of the disorder or randomness of a system, while time is a measure of the progression of events. The second law of thermodynamics states that the entropy of a closed system always increases over time, meaning that systems tend to become more disordered as time passes.
The arrow of time refers to the direction in which time flows, from past to future. Entropy plays a crucial role in the arrow of time, as the second law of thermodynamics states that entropy always increases over time. This means that systems tend to move from a state of low entropy (order) to a state of high entropy (disorder), creating the perception of time moving forward.
According to the second law of thermodynamics, the entropy of a closed system can never decrease over time. This means that time cannot be reversed, as this would require a decrease in entropy. However, on a microscopic scale, some physical processes are reversible, and entropy can temporarily decrease. But on a macroscopic scale, the second law of thermodynamics holds true.
Entropy and information are inversely related. In other words, the higher the entropy, the lower the amount of information in a system. This is because high entropy systems are more disordered and have less predictable patterns, making it harder to extract meaningful information from them. Conversely, low entropy systems have more order and structure, leading to more information.
While time and entropy are related, entropy cannot be used as a direct measure of time. Entropy is a measure of the disorder of a system, while time is a measure of the progression of events. However, some scientists have proposed using entropy as a measure of the arrow of time, as the increase in entropy over time is a fundamental aspect of the arrow of time.