1.1M views · 11K reactions | The liquid crystals in the screen change their polarizing orientation depending on the electric field applied through them. If the light passing through the liquid crystal is oscillating at 90 degrees to the polarizing filter, then you will not see light coming through the screen. Video credits @filomin2 #physics #science #samsung | vt.physics | Facebook

3M views · 112K reactions | Amethyst Mining getting crazy in South Carolina while the getting was hot! Huge point coming out of the pocket here, it’s huge! #crystals #amethyst #rockhound | The Crystal Collector | Facebook

Science Mad Crystal Growing Lab