Usually, a little black point or spot is used as an intuitively geometric model of zero-dimensional space. Notice that "point" is an undefined term without length, width and height. In the physical ...

To extend the curled-up space to include these added dimensions, imagine that spheres replace the Kaluza-Klein circles. Instead of one added dimension we have two if we consider only the spheres ...

A new study reveals that the restriction of one-dimensional space blurs the BECs condensation point, opening up new avenues of researching in quantum optical effects. Bose-Einstein condensates ...