In our last blog post, 10 fun facts about Magnifiers, we mentioned one feature of magnifiers (or any lens, really) but kind of glossed over it.
"5) Your magnifier can act as a little projector of sorts – if you have a bright window you can make an image of what is outside that window by holding the lens a little bit away from a wall on a darker area of the room."
We kind of glossed over this, and didn't even post a picture of it. But this is a staple of optics and in fact any positive lens can create a real image on a screen. Its pretty much what every movie projector does, although those are much more complex optical systemsRead more at the Spectrum Scientifics Blog
