Don Reisinger

3D-printed prosthetic3D-printed prosthetic

Surprising Things We Can (or Almost Can) 3D Print

Forget custom action figures of yourself. Soon, you could be able to print dentures or a new lung.

3D-printed food3D-printed food

How Safe is 3D-Printed Food?

It’s possible to print 3D pizzas and wedding cake toppers — but do you really want to eat the results?

Browser cookiesBrowser cookies

What Are Cookies and Should I Block or Delete Them?

They track you online, but is it worth getting rid of them?

SmartphoneSmartphone

New Smartphone for Christmas? Do These 6 Things Right Away

If Santa brought you a smartphone, here’s how to keep it — and the data it contains — safe and secure.

TextingTexting

Who Is Your Child Really Talking to Online?

Messaging apps allow anonymity — and that’s where your kids can get into trouble.

SecureTeen appSecureTeen app

3 Apps to Monitor Your Kids’ Online Behavior

These apps can be the digital eyes in the back of your head.

Girl watching online videoGirl watching online video

5 Video-Streaming Apps for Children

Kid-friendly apps let them surf and search safely — without stumbling onto adult content.

Jailbreak iPhoneJailbreak iPhone

KeyRaider Malware: Another Reason You Shouldn’t Jailbreak Your iPhone

The largest known Apple account theft caused by malware in history just happened.

Update computer softwareUpdate computer software

Why — and How —You Should Update Your Computer Software

Leaving security holes open lets hackers steal your data and infect your computer.

3D printer3D printer

Buying a 3D Printer? UL Has Some Safety Advice

They’re oh-so-cool and increasingly popular, but watch what, and how, you print.

cleaning dirty keyboardcleaning dirty keyboard

How to Clean Screens and Keyboards

Whether you have crumbs in your keyboard or smudges on your monitor, clean carefully or regret it later.

xperia Z3 waterproof phonexperia Z3 waterproof phone

Waterproof Devices: Swim at Your Own Risk

Your shiny new smartphone or smartwatch may — or may not — be as water-friendly as you think.

Bulletin board Bulletin board

How to Break Up with Your Email Inbox

5 strategies to help you check email less often.

Computer virusComputer virus

5 Ways to Avoid Computer Viruses

Malicious hackers are getting smarter, but you can protect your computer — and your data — with these tips.