All Questions
Tagged with time probability
6
questions
-3
votes
1
answer
79
views
Probabilistic behavior of quantum mechanics [closed]
In a hypothetical scenario, if I were to measure the quantum spin of an electron and it showed "up," and then I traveled back in time without changing the initial conditions, would measuring ...
0
votes
1
answer
55
views
The probability of a circular region being "invaded" by moving spheres as a function of time
I had uploaded the same problem in maths stack exchange but since it got no answer and because I think that it is a problem that can be seen both as a physical one I considered uploading it both on ...
0
votes
1
answer
95
views
Novikov self-consistency principle and probabilities?
According to the Novikov's self consistency principle (also proposed by other authors such as Kip S Thorne) 1 2, if an event exists that would cause a paradox or any "change" to the past, ...
2
votes
0
answers
125
views
Time and Quantum Mechanics
my question is about the nature of time across classical/macro and quantum scales. I understand that the 2nd law of thermodynamics and entropy increase has a lot to do with our understanding of time ...
1
vote
2
answers
150
views
How to interpret irreversibility in time?
I'll quote Feynman's Lectures, chapter 52 (Symmetry in Physical Laws) of volume 1:
[...] If we see the egg splattering on the sidewalk and the shell cracking open, and so on, then we will surely ...
0
votes
1
answer
174
views
How to build a clock? [closed]
You have unreliable clocks that fire in the interval $(t,t+\delta)$ with probability density $f(t;\lambda)=\lambda\exp(-\lambda x)$. How will you build the best clock using these unreliable components ...