Ready, player one?
Make sure you're secure before leaving the house.
Get the most juice in the shortest time
Get amped up to learn the watts and volts about refueling your devices.
Give those batteries long, healthy lives.
Turn a regular flashlight into a powerful LED torch that will run for years
Charge your gadgets with a piece of fruit and some pocket change
Build a device that lets you charge batteries for your cellphone or music player just by taking a stroll
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
Find the fitness tracker to help hit your goals.
Be ready for anything life throws your way.
Bring a dead electric screwdriver back to life in seconds by adding quick-charging super capacitors.
But please, please don't try it
Steps to reducing your battery anxiety
The Canadian Road Hawk
Charge electronics on the go with a bike-mounted USB hub.
Make charging easier.
It's as easy as one, two, three inexpensive accessories.
CanÂ¿IÂ¿Plug In MyÂ¿Prius?
Keep your gadgets powered up with an easy mod to a messenger bagâ€”and help from the sun
The BC-900 not only re-juices your AAs, it gives you the vital stats about them
A 180-pound, 8.5-foot-long Frankencycle
Your literary empire starts here.
Don't break any gadgets.
Defend your information.
Force them to pay attention.
We assemble the choicest nerdy nuggets of everyday wisdom from the brightest tech minds around. Start your education now!
A case in which the conventional wisdom is scientifically inaccurate
Ann Makosinski is our young inventor of the year
Prepare to face the great outdoors.
Just say, "Bye, son."
A grocery basket that can blaze down the aisles at 30 mph
Channel your inner secret agent
Going high-tech with your home security, and even adding automation, doesn't have to break the bank.
Some of it I really do plan to use. Some of it I can't even identify.
Use your computer for days even if you're away from civilization.
In his free time during high school, Adam Munich built himself a machine to see inside other machines
Car tags like E-ZPass aren't only read at tollbooths. Follow these instructions to sound the alarm whenever (and wherever) yours is scanned.
Don't hit the road without them
Who needs cash or cards?
Turn on, tune in, sit back.
How to stay entertained without having to pay.
Head for the country and point your camera toward the sky.
Top-quality software that costs nothing.
Get out the door faster.
Stay on top of household chores.
Give new life to your leftovers.
With the lights out, it's less dangerous.
Do you know what an IP rating is?
Stop and smell the tomatoes. No, seriously, it helps.
Explore the Galaxy.
The art of shrinking coins using copper coils, magnetic fields and enough energy to power a small city.
Powered by environmentally conscious energy sources, these DIY vehicles put traditional gas guzzlers to shame
This year's must-have convergence device gets a lot cooler with a few essential extras.
Work wherever you have Wi-Fi.
Five mistakes that will sap your money and your sanity.
And how to adjust them.
Do you know where your money is going?
Take charge of your privacy.
Sell, digitize, organize, and clean up your junk.
Don't hide your digital photos away. Put 'em online for everyone to see, without spending a dime
How to send a folded flyer screaming 100 feet or more: Just add a motor-and a lot of juice
A number of companies want to help you convert your hybrid
Installing free software turns your MP3 player into a musical instrument
Inspired by the season, a grill built from a V8 engine, a lawnmower powered by the sun, and setting off fireworks remotely
A solar-powered lamp, fingerprint-powered coffee machine and more of the best ideas in gear
Doghouse comes complete with a solar heating system, LED lights and a Wi-Fi security camera
How one New York bartender fused alcohol and marijuana forever
Keep an eye on the weather.
Release your inner Spielberg.
Step away from the phone.
Can you hack an electric scooter to make it go faster?
Raise your car above its gas-guzzling peers with these pointers.
A homemade vertical turbine can supply big power at little cost
Add a camera to your scope for cheap astrophotography
You don't have to be a tech jock to make a sleek and silent home-theater PC, but everyone will think you are
Surf the Web from the hammock out back (or the park down the block) with this solar-powered Wi-Fi extender
Set your own "dingtone" for a customized doorbell
These "surfboards" make surface-mount prototyping "boardacious," dude
Father's Day -- June 21st -- is right around the corner
Peek inside the guts of a classic engine
Turn a backpack into a portable, solar-powered Wi-Fi hotspot, and share a high-speed connection anywhere
A British engineer builds a half-ton, 1,000-horse drag-racing bike with the power of a monster truck
An insole restores communication between the brain and injured feet
An eco-minded couple hits the road in a DIY covered wagon--with a bonus outdoor cat porch.
Pimp your abode with these home-improvement products.
Untether your vintage cans using a cheap wireless hack.
Give your granny several states away the tech support she deserves—from a smartphone.
A pack of hacked go-karts that re-creates a classic videogame.
How the same trick that recovers energy in a hybrid car can help you survive the zombie apocalypse