Ordinary kaleidoscopes must be pointed toward a light source to work. This one has built-in illumination, so you can hold it right up against a printed page.
This 15th-century English nun wrote the book on the technology of recreational fishing.
Vintage components that add character to your creations.
The new printers are much more polished than their predecessors — but are they as consumer-ready as their finish and packaging suggest?
We take an early look at the Materia 101, Arduino’s first foray into 3D printers