What seven years of research taught me about crosswalks, elevators, and "like" buttons.
Power your stuff like itâ€™s 1899 by building your own liquid battery
A too-brief encounter with Arthur C. Clarke, the grand old man of science-fiction visionaries.
Bleep! Blip! Ding! Another life saved. Why electronic intensive care isn't as scary as it seems.
A quick guide to getting the goods for cheaper.
A snapshot of the day's best bargains.
Facebook had a tough week, but your next phone may be a lot tougher.
Today, Amazon is offering deals on millions (!) of products and bundles. Here are the ones that are worthwhile.
The next step may involve AI and machine learning.
Shake off your Academy Awards haze and check out all the top tech stories you missed last week.
This device goes beyond simple surveillance
It's not smaller, but it is smarter.
This smart doorbell doesn't need to be wired into your house.
The new F-35 fighter jet is so sophisticated, so automated, so connected, it's fueling a debate: Do pilots still need to fly?
Enjoy the motorized hanging cradle, the baby gas mask, the UV-ray baby branding prod, and more "infant-friendly" gadgets from the Popular Science archives.
A simple surveillance rig that e-mails photos of visitors.
Assemble a system that notifies you when someone's at your door
Set your own "dingtone" for a customized doorbell
Networked cameras let you keep an eye on your stuff from any Web-enabled device, and you donâ€™t have to be a security pro to install one. Hereâ€™s everything you need to know to watch your world