Archive for the 'Knowledge' Category

Eyes That Reflect

Though the title sounds like it should be a metaphor, I actually want to write about reflective eyes. Have you ever wondered why the eyes of deer reflect oncoming headlights (we’ll save the stupidity of standing there until hit for another time)? The more you think about it, the more you realize that a lot [...]

How Do Lasers Work?

Lasers have been shown in Science Fiction movies for a long time. Just like many inventions, they were first theorized and then made quite a while ago (the first working examples were in the 50′s!). Since then, lasers have been added to nearly every invention, revolutionizing entire industries (music, medical, etc.). Have you ever wondered [...]

Light Sources

Light… We rely on it and plenty of it because our eyes are terrible. Other mammals would mock us, but their brains are small. It’s a trade off. Over the years, we’ve burned ourselves to find out fire is bright and hot. Eventually, electricity led to the advent of the incandescent bulb, one of the [...]