How to see invisible UV Light – Easy At-Home Science

Hi, I’m Tech Adams Today, I wanted to show you this. To the naked eye and to the camera, this piece of glass appears clear, but it’s not. Oohh, see how clear. In order to show that it’s not clear, I need three things. A black piece of card, a yellow highlighter, and an ultraviolet […]

Top 10 Surprising Things NASA Helped Invent — TopTenzNet

Top 10 Surprising Things NASA Helped Invent 10. Sunglasses It seems hard to believe that something as big a fashion statement as sunglasses could have NASA scientists behind it, but there’s a very logical reason for this. Many workers at NASA are frequently exposed to damaging light, which would severely affect their vision in the […]