Polygraphs and other emotional sensors are still imperfect after a century of practice.
High-tech gear will help you track your swimming sessions and protect your eyes.
Apple announced three new iPhones, a new iPad, and more.
Wearables seldom make us healthier. Will Google's "heart points" be any better?
Measuring motion in the water is complex. This is how Apple’s wearable does it.
Book excerpt: Irresistible
Conor Walsh is one of the 10 most brilliant people of 2016
Plus, it comes in red
Waverly Labs unveils an earpiece that allows real-time language translations
Like science, tech, and DIY projects?
Sign up to receive Popular Science's emails and get the highlights.