Ultraviolet light creates colorful color-changing artwork with sheets of solar sensitive cloth.
Uncover the science of why things glow this Halloween
Dangerous ultraviolet (UV) light can be revealed using simple, white beads
UV light reveals hidden images that glow in the dark.
Make amazing white on blue prints with your favorite objects!
Decorate for Halloween with these eerie glow in the dark pumpkins!
How much protection does your sunscreen give you?
See how old prescription bottles have the power to block UV rays.
Dr. Karl Linden explains how ultraviolet light can be used to destroy the coronavirus as if by magic — but it’s not magic, it’s science!
Detectable flashes of light are released as wintergreen-flavored candies are crushed in darkness.