What Are Centrifugal & Centripetal Forces? By Jim Lucas These two closely related forces describe circular motion, but the meanings are often mixed up.
This Apple-1 Computer Cost $666 in 1976. Now It Could Sell for $650,000 By Rafi Letzter Interested in spending your life savings on a nearly useless PC with 4 kilobytes of memory and a 1 MHz processor? You're in luck.
NASA Is Developing 'Soft Robots' That Look Like Inflatable 'Aliens' By Elizabeth Howell And they could be just the thing to explore worlds beyond Earth.
North Korea's Short-Range Missile Test Spotted from Space By Mike Wall Saturday's test was the first in 18 months by North Korea.
Watch Concrete Explode As Scientists Probe Weird Phenomenon By Stephanie Pappas Concrete can't burn, but it can blow up.
A Killer Asteroid Is Coming — We Don't Know When (So Let's Be Ready), Bill Nye Says By Mike Wall The good news is, we can do something about it.
X-37B Military Space Plane's Latest Mystery Mission Passes 600 Days By Mike Wall Exactly what it's doing up there is unclear.
What Are PFAS? By Rachel Ross These synthetic chemicals have been included in numerous household products for more than eight decades, but are they safe?
Facebook Will Be Littered with More 'Zombie' Profiles Than Living Ones by 2070 By Stephanie Pappas Facebook will be a virtual graveyard.
Stratolaunch, the World's Biggest Aircraft, Makes Historic 1st Flight By Jeanna Bryner An odd-looking, double-bodied airplane with a wingspan as long as a football field just took to the skies today (April 13) from the Mojave Air & Space Port.
Fall Into the Google Doodle of a Black Hole By Mindy Weisberger You can't resist the attraction of Google Doodle's black hole animation.
Is It Solid? Or Is It Liquid? New Kind of Matter Is Both. By Mindy Weisberger Solid and liquid intertwine at the atomic level.
Why Some Evangelical Christians See This Pet Technology as the Work of the Antichrist By Jordan Frith An almost invisible electronic device used all over the world has alarmed some evangelical Christian communities, who see in this technology the work of the Antichrist.
Computer Software Could Crack Centuries-Old Math Puzzle By Christopher Rasmussen Mathematicians have known how to solve something called an S-unit equation for several years. However, the process is so convoluted that few can actually use it to tackle their problems.
Physicists Stuffed a Ghostly 'Skyrmion' Full of 'Antiskyrmions' By Rafi Letzter The ghostly 'quasiparticles' have barely any material existence, but physicists are still managing to manipulate them into uncanny shapes.
Airplane Wing Assembles Like a Jigsaw Puzzle and Can Morph Into Any Shape By Stephanie Pappas The new wing could make for lighter, more efficient airplanes.
Here's What the Speed of Light Looks Like in Slow Motion By Brandon Specktor What does the speed of light look like? CalTech researchers built the world's fastest camera to find out.
Extreme, Hydrogen-Crushing Physicists Are Pushing Us into a 'New Era of Superconductivity' By Rafi Letzter Lanthanum, diamond crushers and advanced computer models are changing the hunt for this extreme quantum mechanical effect.
What Is Cryptocurrency? By Greg Uyeno Cryptocurrencies aren't just alternatives to government-issued forms of money. Most of them are designed to be very different
AI Is Good (Perhaps Too Good) at Predicting Who Will Die Prematurely By Mindy Weisberger Medical researchers have unlocked an unsettling ability in artificial intelligence.
