sorting rubies under uv light 😭 watching the different... glow patterns is weirdly satisfyingshow more

This rock glows Most sodalite will fluoresce orange under... UV light Electromagnetic radiation (light from the UV flashlight) is absorbed which then re-emits radiation at a longer wavelength – in this case, the yellow glowshow more

UV tattoos, are created using dyes that fluoresce under... ultraviolet (UV) light sources. These tattoos can be nearly invisible under normal light,show more

Organic Chemistry under UV light 🌈

Australian passport details under UV light.

Looks simple… but somehow this is weirdly satisfying

ultraviolet tattoo that glows under UV light 📹 jjhalltattoo

This is weirdly one of the most satisfying videos... I’ve ever watched. 😂show more

This 3D Print for a Toddler Is Weirdly Satisfying!

Fun fact: adult scorpions glow under UV light. There... are at least 3 fluorescent compounds in scorpions’ exoskeleton: a phthalate ester, β-carboline and 7-hydroxy-4-methylcoumarin. [📹 kotb.0]show more

Missing the heavenly glow of your old CRT? WOLFHOUND... can scratch that itch with its new CRT effects including 3 different phosphor patterns & optional screen rounding!show more

Ultraviolet light makes a radiometer spin toward the source.... UV heats the dark sides more, gas molecules rebound harder, creating a pressure imbalance that drives rotation. You’re watching invisible UV energy turn directly into motion. @jurij0001show more