Most of us have experienced power outages. While brief interruptions are unpleasant, lengthy outages that can occur after severe weather, forest fires, and earthquakes can cause loss of food stored in refrigerators and freezers unless ...
Isaac Newton developed calculus back in the mid-1600s as a tool to explain physical phenomena, in particular the motions of planets. As it turned out, it was also a way to encode how things move and change more generally, from economie...
Making Calculus With LEGO
A couple years ago, longtime Make: author Len Cullum came to my house to purchase a pile of granite cobbles that I had left over from a driveway project. We chatted a bit and found that we shared an affinity for Japanese...
Build a Bamboo Garden Gate
Supercapacitors are among the coolest of so-called passive electronic components. Because they are ultra-high-capacity capacitors, they can function as batteries capable of being very rapidly charged and briefly powering many electroni...
Badder Than Batteries: Make A Supercapacitor
Here’s a classic skill-and-action game updated for you to make and play. You and your opponent each start your robot at the top of the playfield.
Don’t Drop Your Bot! A Fresh Take On A Classic Game
This project is a continuation of my quest to build a robotic clock that can write and rewrite the time continuously, day in and day out. My first attempt, Doodle Clock, was a failure due to the marker drying up.
How to Make A Unique “Rewrite” Clock With Arduino, CNC, And Sequins
DuckyPad is a 15-key, do-it-all mechanical macro pad that helps streamline and speed up your workflow by automating keyboard (and mouse!) inputs. It features a sleek design and all the goodies of a high-end keyboard — mechanical...
Hot Keyboards: Find Cool Kits or Build The DuckyPad
Some people love to launch model rockets, and personally I’ve always wanted to launch a stratospheric balloon up to “the edge of space.” We don’t exactly do the same thing for the same reasons, but there’s one thing we would ...
Auto-Return Parachute Comes Back To The Launch Site Every Time
The Solar Bottle Lamp is a solar-powered light that reuses a waste plastic bottle by attaching a 3D-printed solar lamp in place of the old plastic cap.
DIY Solar Bottle Lamp
Edge-lit displays typically consist of an etched sheet of acrylic, with one edge embedded in an opaque base containing a light source. The light diffuses through the acrylic to make the etchings glow.
“Inner Glow” LED Heart
It is a profoundly human compulsion to change our environment to suit ourselves, and the quarter-trillion-dollar US home décor industry presents a playful (and profitable) example: We bedeck our living spaces to express ourselves and ...
Pixelblaze Pillows: Light Up Your Upholstery With LEDs
Wearable glowing accessories — we often associate them with Halloween costumes or a packed concert. While those are definitely fun, I wanted to make elegant jewelry, fit to wear on a night out with friends or a casual day at work.
Beautiful LED Pendant In Three Steps
Make an Iron-on Textile Circuit and Learn All About Wearables
It’s fun to use mini solar cells to charge your gear or power small gadgets, and once you’ve learned the basics you can scale up to bigger panels. Let’s explore ways you can harness solar energy for your own DIY projects — mobi...
Solar Power on the Move
It’s now possible to build remote, low-power microcontroller projects that can operate indefinitely without batteries and still not crash, even if power is interrupted.
Perpetual Battery-Free Weather Station
Working with “wireless” LEDs feels a bit like magic. These tiny LED assemblies can emit light without directly connecting to a power supply.
Make a Kaleidoscope With Wireless LEDs
Textile printing — the application of colored patterns to fabric — is not a new phenomenon. Woodblock-printed fabric dates back hundreds, perhaps thousands of years, and has been widely available in forms such as chintz and calico ...
Design Your Own Fantastic Fabrics