Tagged: glass

Seeing the invisible

Astounding Stories of Super-science

From pulpcovers.com

Did you ever think about how you’re able to see glass? I mean, the light just passes straight through glass, right? So how come I can see the edges, and the glasses I wash-up don’t just disappear from view? Why aren’t glasses invisible?

Well, it’s all to do with how light doesn’t just travel in straight lines.