Project tiny specimens onto the walls of your own home.
A surprisingly easy step-by-step guide.
High school student helps design accessible notation
And needs no batteries
A scuttling robot, scaled up
Inventor Simone Giertz explains why
Enjoy a DIY sugar high
Watch particles zip through your living room
How to Build a Catapult in an Afternoon
Car tags like E-ZPass aren't only read at tollbooths. Follow these instructions to sound the alarm whenever (and wherever) yours is scanned.
An Android-powered pot stirrer and an Xbox controller snack extruder
Create an LED-lit cube that changes color while monitoring any kind of data you want
Or at least understand what's happening when you use one.
Assemble a system that notifies you when someone's at your door
Make a wall clock with a mesmerizing display
Control your appliances in the dark with a hidden system that works just by placing your hand on your nightstand
Throw together this pint-sized light-sensitive Theremin for spooky sci-fi sound effects on the cheap
Paired with a sensor, your "mood cube" can change color based on any number of outside stimuli
Who needs pen and paper? Jot down reminders on a digital screen, using only your finger
Satisfy your data craving with a stylish DIY display that scrolls scores, news, weather and anything else that your computer can feed it
Set your own "dingtone" for a customized doorbell
RC Home Inspector can check for cracks in your foundation and keep you out of that nasty crawl space