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.


We need lithium for electronics and batteries. Global supplies are running short, but domestic supervolcanoes might hold the U.S. lithium motherlode.

The signals from GPS satellites are fundamental to every network in the United States. What happens if that critical but vulnerable system is attacked or simply fails?

Who's up for a company microchipping party?

Why does a parking garage display a sign saying it's full when it's not, and vice versa?

Can such a simple communication technology still be of use? To people in these professions, the answer is yes, even in the 21st century.

The Japanese electronics company retired its Beta VCRs in 2002, but has still made cassettes. That will all change come March, when the "format wars" come to a quiet end.

Remember how amazing it was to cradle your first smartphone in your hand? Kids don't; they've always had them, and they have no idea how to work a flip phone.

Never lose a sock again? Sounds too good to be true, right? One technology may actually have the solution.

If you're reading this, you're using a disruptive technology – one that's completely changed how we do things. In fact, you're using an assortment of these game-changers all the time.

Are you a fan of a certain kind of product or gadget? Well, don't get too attached to it. There's probably a disruptive technology on the horizon that will send that gadget to the dustbin of history.

The modern farm has more in common with Silicon Valley than you might think. Here's a look at some of the top technologies advancing the agriculture industry.

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.

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.

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

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.

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.

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?

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?

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.

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?

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!

Technology movers and shakers moved and shook more than usual in 2011. What stories made the headlines in a busy year in tech?

5 Ways to extend the life of your household batteries. Learn the 5 ways you can extend the life of household batteries.

Find out what can be sucking the power right under your noses. Save energy by avoiding phantom power.

Some surge protectors use gas to protect your appliances. Learn about the purpose of a gas discharge arrestor from this article.