Couples are much less prone to bodily stumble upon different people when strolling in busy public areas than pairs of acquaintances or work colleagues are. However, including a baby into the combo makes the group extra prone to have a collision.
When creating mathematical fashions for the way people transfer in crowds, researchers typically borrow methods from particle physics. But there may be one significantly vital approach that two people in a crowded hall can differ from a pair of particles – …