Learn about One Direction's beloved song "What Makes You Beautiful." The sweet melody and simple message made this song ...
E ver since One Direction’s Liam Payne left this world for a better place, fans across the globe have held on to the hope ...
All doubly refractive gems are anisotropic crystals, and the arrangement of their lattice points varies with direction. Uniaxial materials possess one unique optic axis (the c-axis) along which the ...