Whatever the floor material – carpeted or smooth, wipe-clean or impossible to tidy – the horizontal plane shapes the life ...

Cláudio de Castro Pellegrini of the Federal University of São João del-Rei in Brazil recently set out to formulate an equation to determine the optimal shape ... surface area is as small ...

A math problem delineating the largest-size sofa that can fit around a corner has finally been solved, though it may not help you move.