What does it mean to be ‘quantum’? A physicist explains the basics behind Einstein’s spooky actions at a distance
Read More 4 minute read Math and the Sciences Space What’s the shape of the universe? Mathematicians use topology to study the shape of the world and everything in it You can describe the shape you live on in multiple dimensions. vkulieva/iStock via Getty Images Plus John Etnyre,… byJohn EtnyreMarch 9, 2025