The 1982 SAT infamously held a math question so tricky that even its ... scholastic victims of the knotty coin rotation paradox. Here’s how the paradox works: Place two quarters flat on a ...

The initially fast rotation becomes slower because the masses move away ... Kiani Shahvandi received support from Siddhartha Mishra, Professor of Mathematics at ETH Zurich, who in 2023 received ETH ...