Thomas Leveritt showed people what they looked like on video shot in ultraviolet (UV) light. You can see the changes your skin goes through by contrasting young children with adults. But UV light does not see through sunscreen, which is sunscreen’s entire purpose. In UV light, it looks black! But you can see how it protects your skin from the damaging sun’s rays. And it looks pretty funny, too. Want some sunscreen? -via Bad Astronomy
Cola is transparent. Some black fabric stays black, while other appears white. Some printed pictures, such as those on ID badges vanish, while the text remains. Fun.