In essence, calcite splits a beam of light into two dots based on polarization. By aligning filters and rotating angles, you can observe how light behaves when forced into ‘choices’.

Deep below Earth's surface, rock and mineral formations lay hidden with a secret brilliance. Under a black light, the ...

Astrobiologist Joshua Sebree of the University of Northern Iowa suggests that South Dakota's Wind Cave exhibits chemical ...

Inside Wind Cave the scientists found that chemicals fossilised within the rocks shine in brilliant hues of pink, blue, and ...

Limnology and Oceanography, Vol. 62, No. 2 (2017), pp. 645-664 (20 pages) Characterization of autochthonously produced calcite particles, along with the associated heteronuclei, and evaluation of ...

These can affect its color, giving it a range of hues, including blue ... the color of the calcite." Calcite also fluoresces ...

In art lessons, you might have learned about the three primary colours of paint which are different to the primary colours of light. In art they are: red, yellow and blue. Mixing the primary ...

The entry to South Passage is decorated by spectacular calcite formations ... breath and swinging my light upward through the swarm of ascending bubbles. In lightless blue holes, animals like ...

Deep underground, some caves on Earth are hiding a glowing secret—one that could help scientists understand how life might ...