10 Ways To Remove Scratches From Eyeglasses

Tinh easy and cheap ways to remove the scratches on your glasses for good if you’re anything like me you probably get annoyed when your glasses are smudged your scratch no matter how well you take care of your glasses sometimes it seems like smudges and scratches literally appear out of nowhere how it’s possible […]

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 […]