Twin paradox problems
8475
How is the classical twin paradox resolved?
144380
When the Center of Mass and Center of gravity does Not Coincide
17218
Open problems in General Relativity
35714
Adjoint pairs, triplets and quadruplets
86095
Why isn't the symmetric twin paradox a paradox?
101116
Why can't I calculate the result of the birthday paradox using `n choose k`?
92147
Coin sequence paradox from Martin Gardner's book
14619
Understanding The Math Behind Elchanan Mossel’s Dice Paradox
136644
Cyclic Quadrilateral Problems
127311
Challenging probability problem
53525
Infiniteness of non-twin primes.
121605
A coin tossing game which leads to a contradiction
66524
The Impossibility ( or Possibility) of Solving $N$-Body Problem
115391
A paradox of length contraction
84770
Twin Paradox Without Acceleration
34353
Basic Simpson's paradox
90081
problems in group theory