The design uses different sizes and colors of Swarovski crystals to create a glittering rainbow across your nails. Be sure to always add a topcoat as a final step to secure the crystals and the ...

But now, researchers report a kaleidoscope-like film for telling different ... photonic crystals into a stretchable easy-to-carry film and see whether the rainbow-colored platform could also ...

but Stanislas Arpa said that it had manipulated the chemical structure of the sapphire crystal: “This is why it emits lights on different wavelengths — different colors — under different ...