22 Photos Showing How the World Changes Under UV Light (23 Photos)
We all know about ultraviolet light, but few realize just how drastically it alters the way everyday things look. Since UV rays fall outside the visible spectrum, the human eye cannot pick them up naturally. However, the invention of UV lamps was a game-changer for science, giving curious minds a chance to see familiar objects in a whole new light. Turn on a blacklight, and ordinary items suddenly start revealing their hidden secrets! 
A blacklight easily distinguishes real teeth from fake ones: crowns and veneers don't glow under UV light. 
Tonic water glows bright blue thanks to the quinine it contains. 
Many synthetic materials glow brightly under UV light. 
An ordinary kiwi under a UV light. 
A UV flashlight turns a harmless snail into an alien creature. 
Caterpillars caught in the beam of a blacklight flashlight. 
A pink cactus living up to its name. 
Masterful work: inked with special UV-reactive ink, this Cheshire Cat tattoo reveals its true nature under blacklight. 
Uranium glass glowing vibrantly under UV light. 
A blacklight reveals the botanical family connection between a cucumber and a watermelon. 
Many IDs, banknotes, and official documents feature security elements that are visible only under ultraviolet light. 
Pollen gathered by a bee looks like a cluster of precious gemstones under UV light. 
A UV light helped reveal a hidden message on an Xbox One X console. 
No one would have ever guessed without a UV lamp. 
A rose looks completely magical under ultraviolet light. 
How could you not believe in fairies or elves after seeing this? 
A UV flashlight proves that cleanliness is sometimes just the visible absence of dirt. 
Here is what a pitaya, or dragon fruit, looks like under UV light. 
A sliced grape under UV light. 
A beloved pet seen in a whole new light. 
A hidden marking on a washing machine that is only visible under a UV lamp. 
A UV flashlight makes it easy to spot a scorpion in the dark.
