"if Alice and Bob choose the same direction in which to measure the squared spin"

I have a problem: how would you determine that Alice and Bob have chosen the "same direction". With reference to what metric? Are you suggesting that Newton's absolute space exists at least with reference to compass bearings?

## Bell's inequalities

"if Alice and Bob choose the same direction in which to measure the squared spin"

I have a problem: how would you determine that Alice and Bob have chosen the "same direction". With reference to what metric? Are you suggesting that Newton's absolute space exists at least with reference to compass bearings?