Everyday Tech

How do batteries work? How much energy is your plugged-in gadget using? How do UPC codes work? Find this out and more with Everyday Tech.

What’s the 'quantified self'?

Welcome to the "data-driven life" – where you can personally measure your heart rate, calorie consumption, caffeine intake, or spending habits using technology. All this data has the potential to help you improve yourself – or drive you crazy.

2013's Biggest Tech Moments

The year 2013 was an epic tale of two techs: the ones that improved our lives and the ones that went way beyond what we were prepared for. These 10 filled us with hope – or fear.

Everyday Tech Pictures

We often take technology for granted. Learn about some of the incredible technologies that you're using every day.

How Cyclonic Separation Works

It sounds like a complicated process doesn't it? But once you remember a little about centrifugal and centripetal forces, you can easily understand the swirling, whirling world of cyclonic separation.

How Pneumatic Tubes Work

That tube you put your check or deposit slip in at the bank drive-up window is called a pneumatic tube. This was cutting edge 19th-century technology and is still in use today.

10 Sneaky Ways Technology Betrays Cheating Cheaters

Technology can help cheaters connect with paramours -- but it can also leave a trail that gets them caught. How does our connection to the digital world make it easier to expose infidelity?

10 Biggest Tech Headlines in 2012

As in previous years, technology stories made big headlines. Facebook issued stock and watched the price plummet. Microsoft announced a new tablet. What other tech stories took center stage in 2012?

10 Homebuilt Tech Tools for the Developing World

Simple DIY devices can profoundly affect people's lives, improving their health and living conditions. We've gathered 10 homebuilt technologies that can be put together using easy-to-find resources and limited science and engineering know-how.

Will touch-screens ever be fingerprint-proof?

Touch-screen technology makes navigating devices like smartphones and tablet PCs easy as pie, but there's a dirty downside. Is there a way to avoid the smudges and prints that our fingers leave behind?

5 Things You Should Know About Nanotechnology

Among other cool things it can do, nanotech may one day allow doctors to stop brain cancer without physically entering the patient's skull or to attack lung cancer without opening someone's chest. Take that, cancer cells!