None of this is magic, of course. Rather, as optics aficionado [Les Wright] explains, non-linear optics is all about physics. Big physics, too, like the kind that made the National Ignition ...

Optics is the study of light ... Science for me is all about experiment. Take eyes for example, I've been investigating them, studying how they work, don't worry, they're not human eyes, I ...

The blackboard optics demo includes a ray box, various clear plastic lenses and shapes, and mirrors. It can be used to demonstrate many kinds of optics phenomena, including total internal reflection ...

Original construction: purchased. The straight and S-curve light pipes were made by Uchida Yoko Co. Ltd., model DP-23, cat no. 125-5601. Looks like Arbor Scientific sells something like this. The 5 mW ...