Magnets May Be Able To Tell Left From Right As Well As North From South
Most of the directions we use to name the globe concentrate the self . We say up or down , in front or behind us , and left and correct . These latter two are the most hard to explain in cardinal terms given the balance of most physical laws . But in nature , there are molecules that have a distinct “ laterality ” or chirality ; they are not the mirror image of each other ....