What is a Colorant? A colorant is a substance used to color a material, such as thermochromic and photochromic dyes aqs well as pigments in paint. What does thermochromic mean? thermochromic = … [Read more...]
Why Scorpions Glow in UV Light?
Glow In the Dark Chemicals The exoskeleton of scorpions contain phosphors, which are chemical that can absorb high energy photons of invisible UV light and emit lower energy photons of … [Read more...]
Electromagnetic Radiation: Infrared Light
The Sun Emits Electromagnetic Radiation Please don't panic! Yes, I understand that the term electromagnetic radiation is a lot to swollen. But many adults learned the word … [Read more...]
Vision: Why we see things
Why do we see different colors? Why does cloth look darker when it is wet? Electromagnetic radiation is light energy. The Sun emits electromagnetic radiation, which contains gamma rays, x-rays, … [Read more...]