The method and chemistry behind your favorite caffeine source.
Behold PopSci staff photographer/mad scientist John Carnett's homemade microbrewery: an elaborate device that boils, ferments, chills, and pours home-crafted ale
Get out the door faster.
You don't need a full kitchen to make dinner.
Creep out coworkers with a witches' brew
Never burn your mouth on a hot drink again
It is the best of what's new.
Motion-triggered monster heads, a witchesâ€™ brew of liquid nitrogen, a projector rigged for fright, and more. Here, our favorite high-tech haunting tricks made easy
Clean all the stains.
Rise and shine!
Stop fighting over the thermostat.
Behold this deluxe homemade microbrewery: an elaborate device that boils, ferments, chills, and pours home-crafted ale.
A story about plant children to brighten your day.
Start searching smarter.
Be ready for anything life throws your way.
Built for the big screen.
Strategies for chilling out.
Science up an amazing meal, entertain guests, and stay safe and sane.
How to deal with everything from sluggishness to constipation
Grab your coat and your camera, then head out under the stars.
The high-tech joys of freeze-dried foods
This barbecue season, try cooking with koji.
A quest for the puffed proteins that make a meringue
How our readers turned hairpins into resistance units, electric fans into potato slicers, and asbestos shingles into hotplates.
Your appliances will thank you for it.
Give those batteries long, healthy lives.
Make photos the old-fashioned way, from start to finish.
Brewing your own fuel is easyâ€”it's also dangerous and potentially illegal
A collection of our favorite automated brewing and winemaking setups
You can collect micrometeorites anywhere.
It's not too late to reverse the damage. See some bold steps any DIYer can take
Learn to take a break.
While still using it for navigation
Project tiny specimens onto the walls of your own home.
Build an indoor insect trap from our August, 1971 issue, fully updated for today (just in time for summer)
Avery Ashley wants to make a deal: his home-roasted coffee beans for lab equipment that'll let him grow his first batch of glowing bugs, so he can one day bioengineer yeast cells into inexpensive food.
For fertilizer, not drinking.
Turn sour old wine into a beautiful holiday gift -- thanks to science
How practical for the amateur cook is the massive Modernist Cuisine cookbook? I whirled some peas to find out
Don't try this at home
Without compromising your security.
Eat in while staying at the inn.
5 tips for roaming without fear.
Cross a Linux computer with a keg fridge, and you get a tap that knows when youâ€™ve had enough
Surf the Web from the hammock out back (or the park down the block) with this solar-powered Wi-Fi extender
Easily estimate the flow rates of liquids! Rob shows you how
Plastic containers saved my life
A glass of instant Kool-Aid requires eight ounces of water and a surprising amount of innovation
Boost your reception with little more than a coffee can
Preparation is key.
A solar-powered lamp, fingerprint-powered coffee machine and more of the best ideas in gear
Ann Makosinski is our young inventor of the year
Save your Valentine's Day blossoms.
How to make any time naptime.
If a few ounces of quicklime mixed with water can make self-heating soup cans, we figured 500 pounds of it could create a self-heating hot tub
We got you.
Take to the skies.
Augmented reality, a redesigned App Store, and other new tricks your iPhone just learned.
How to tame your endless alerts.
You don't want to miss a thing.
Useful technology for your commute.
With paper, scissors, and tape—no gift bags required.
Your phone can do everything... but should it?
Ditch that big suitcase and stuff your phone full instead.
How to modify the vacuum-less Roomba
Carnett has an automotive setback
Some unwrapping and assembling may be required. We're not animals.
Head for the country and point your camera toward the sky.
Share your work with the world.
Manage your time, stay calm, avoid distractions, and more.
Dull the roar of all those clicks, clacks, and workplace chats.
Don't be a fool when you're picking out tools.
Behold the smooth, sweet powers of liquid N.
Pimp your abode with these home-improvement products.
There are options besides Donald Trump and Sexy Pizza Rat...
Watch as souped-up power tools tear down a 60-foot track (and through a flaming hoop!) in our exclusive video
One high-school studentâ€™s successful quest to create atomic energy, just for kicks
How to cast solid, if fleeting, shapes in mercury: Just keep it at 320 degrees below zero
Gary Hug has discovered almost 300 asteroids and a comet
The data must flow
When to eat, drink, sleep, and think deep thoughts.
Keep your family cozy.
Four scientific tricks for temperature control.
Don't get sick on the plane.
Hunks of meat, baked goods, and veggies all require different defrosting methods.
With the right mix of metals, you can make an alloy that turns to liquid at any temperature you choose
Fourteen days worth of revolutionary green building in just a few minutes
There are a lot of ways to use your old iPhone around the house, even without a contract
All it takes is a drop of chilled superglue.
Make your own portable hot packs
One of the nastiest substances on Earth creates a beautiful glow
In honor of National Pie Day, why don't you try one of these fun crafts from the Popular Science archives? Use a pie tin to make a jet engine, a telescope, or a lovely chandelier.
In honor of Pi Day, why don't you try one of these fun crafts from the Popular Science archives? Use a pie tin to make a jet engine, a telescope, or a lovely chandelier.
Explosive glass drops demonstrate why your car windshield is so strong and safe
A quick blood type test, an app that syncs music playback on your phone and more