We like big posters and we cannot lie.
If you love video games and DIY, this story is for you.
Let the fresh air in but keep those rotten bugs out.
Forge bonds without screws, glues, or fancy gear
Don't let winter isolation ruin your mood.
Manage your time, stay calm, avoid distractions, and more.
Eight amazing displays to check out.
Protect your privacy, save data, navigate faster, and more.
Project tiny specimens onto the walls of your own home.
Seven essential phone apps for your next project.
Top-quality software that costs nothing.
Master your Android phone.
Take advantage of the warm weather
These designers, aged 11 to 17, have big ideas.
A less deadly version of the Architronito
Stay busy while you're stuck at home
Channel your inner secret agent
Livin' la vida laser
After the humans have left, the 'bots come out
From hacked beer cans to drivable fish tanks, these are the coolest, craziest projects of the year
It is the best of what's new.
Othermills work like the opposite of 3-D printers, cutting material away instead of building it up.
Hardware has always lagged behind software in the open source movement. But one website is beginning to change that.
The NYC Makers show puts artists and DIY-ers in the spotlight.
Including a backyard trampoline, a playhouse built from window blinds, a flying saucer that doubles as a water ski, and more
A quick blood type test, an app that syncs music playback on your phone and more
The ultimate gift guide for friends and family members who desperately need to improve their home-improvement skills
An eco-minded couple hits the road in a DIY covered wagon--with a bonus outdoor cat porch.
A step-by-step guide to becoming a successful inventor
Sodastream machines are nice, but for the true seltzer addict, a do-it-yourself carbonation system can be cheaper, more flexible, and more fun
Wrist-mounted weaponry brought to you by the letter Y
Jet powered Space Rangers, kit cars, electronic organs, radio hats, and more -- all yours for a low, low price!
How our readers turned hairpins into resistance units, electric fans into potato slicers, and asbestos shingles into hotplates.
Trick or treat
PopSci explores the geodesic dome's brief wave of popularity
The hardest DIY project ever
PopSci teaches you how to make a crossbow, a wooden scooter, a psychedelic light show, and more contraptions you didn't know you needed
A (fairly) easy mod makes any netbook ready for the beach
A graywater system uses shower and sink runoff to flush the toilets. Plus: four more ways to save water at home
An old logging truck is transformed into a sleek street racer
And you can buy it for $13K soon, it seems
Whip together shotcrete, papercrete or quikcrete structures in no time with a simple DIY tirolessa sprayer
Get your boards printed by a pro-service for a longer-lasting, better-looking project.
From lock-picking to building veggie-oil cars, Smartflix gets you up to speed
Our second all-digital Genius Guide shows you 99 ways to save energy— and money— at home this summer
Father's Day -- June 21st -- is right around the corner
Detect motion with itty-bitty embedded PIR sensors
With a new book that brings tech-savvy to the fashion set, designer Diana Eng takes another step in her quest to unite science and style
A truly inspired home automation project turns one man's living room into a swingin' dance club with a single press—video inside
Inspired by our 5-Minute Project videos, Mrs. Daftari's fifth grade class shares their own DIY guides
A treehouse fortress and the steel-cutting abilities of Superman; it's all possible thanks to this week's Top Tools
To create beautiful electrical-charge patterns like this, you could use a giant particle accelerator. But shag carpeting will also do just fine. Watch how Lichtenberg figures are made in our amazing video
Use your own headphones with this quick and easy adapter solution from the neighborhood Radioshack
Don't DIY blindly—our friends at Toolmonger round up the best tools for any project
Boost your reception with little more than a coffee can
Been inspired by our How 2.0 projects? Send us pictures of the stuff you're makingâ€”or breaking
Construct a high-def front projector for hundreds less than store-bought models
Want a Mac in your living room? How about your car? Appleâ€™s tiny and affordable Mini does it all
A step-by-step guide to getting YOUR projects on Popsci.com
It's flu season, so why not gross out your friends by whipping up a batch of totally disgusting synthetic snot? You might even learn a thing or two about non-Newtonian fluids in the bargain
For all the nerdy sweeties out there
A colorful new book, Fashioning Technology, offers high-tech projects for the fashionable woman
Build an indoor insect trap from our August, 1971 issue, fully updated for today (just in time for summer)
A fascinating and weird DIY scene grows in Brooklyn. See the video
Use this compact component to power anything that needs juice in your DIY projects
Create a light system to keep houseplants thriving during winter's short days.
DARPA's community-designed FLYPMODE car was presented to President Obama last week
Arduino is a great microncontroller package for entry-level electronics tinkerers, but once you've got your sea legs, cheaper DIY microcontrollers used to build anything from grow-lights to irrigation systems are what you might reach for next
Behold this deluxe homemade microbrewery: an elaborate device that boils, ferments, chills, and pours home-crafted ale.
The concepts and prototypes include a hand-powered washing machine, a landmine-removal kit, and more
Meet project Elcano. For now it's just a self-driving electric tricycle, but its makers have far more ambitious plans using the power of crowdfunding.
How to use solar power to power a hand-held radio telescope or a simple solar voltage meter
A new look in Olimex boards yields two remarkable dev platforms
The most futuristic device you can have in your living room...hacked
In his free time during high school, Adam Munich built himself a machine to see inside other machines
Now the masses can finally hear your brilliant air drumming.
Combine simple household items to make a rocket propulsion system.