Many worlds, many yous Some ideas about the quantum world appear to suggest there are many versions of you spread out across many parallel universes. Now, two scientists have formulated a proof ...

I also cover key related topics, including the polar moment of inertia, the parallel axis theorem and Mohr's circle for moments of inertia.

Superstring theories in theoretical physics predict the existence of parallel worlds (A-side and B-side), though these worlds cannot be distinguished. However, they are interconnected, and ...