You don’t have to be a scientist to enjoy zooming in on things. Mousepad, pen nib or a rogue eyelash: stick anything from your desk under a microscope and you’ll find it looks fascinating when ...

Clip-on lenses and wireless scopes now let a smartphone camera resolve textures and structures that used to require a lab bench. Instead of peering into a bulky eyepiece, I can hold a leaf, a circuit ...