Build the simple surveyor’s instrument that made the first accurate maps on Earth.
This simple circuit switches an LED on when the lights go out with just five parts — a battery, phototransistor, resistor, LED, and transistor.
Skip the store-bought couplings and make these easy DIY fiber optic hookups.
Build this simple cloud chamber at home and detect cosmic-ray muons, electrons, and alpha particles.
3D-print this 1872 replica Electro-Magnetic Engine that works like your drone's modern motors.
Build a multifunction sound synthesizer using a surprisingly fun audio chip.
Make a costume jetpack that doubles as a Halloween candy holder from household items.
Keep tabs on your tabby with this Intel Edison-powered pet-toy camera trigger.
An amateur telescope builder reveals his process for designing and constructing his own Dobsonian telescope using CAD design and a CNC router.
An ion thruster produces a flow of air even though it has no moving parts.
Sculpting with polymer clay provides a versatility in timing and workability that is prized by many artists. In this tutorial we will go over the steps for creating a wolf head.
If you've ever thought about building a small computing cluster, for development, data crunching, or just for fun, this walkthrough shows you how using the Raspberry Pi. Four of them.