We need one more thing—how about Newton’s second law? This says the acceleration depends on the net force (Fnet) and the mass (m) of an object. It’s usually written as Fnet = m × a, but we can rearrange it like this: a = Fnet/m. Combining this with our gravitational force, we get something pretty…
Compare Our Top 10 Hair Straighteners Other Straighteners We Tried Photograph: Kat Merck Paul Mitchell Neuro Style+ for $150: The latest in Paul Mitchell’s lineup of otherwise standout hair straighteners, this ceramic iron with Paul Mitchell’s new NeutraHeat temperature-regulating technology goes up to 450 degrees Fahrenheit and has dual voltage for travel. However, the body…
For this year’s project, Consumer Reports tried each antenna in White Plains, NY, about 30 miles north of Manhattan. We attached the flat antennas to a window on clear days and placed one model with a different design on the windowsill. We also put each antenna outside the window on a balcony. Only one model…
“Is he super important and this is the first I’m hearing of him?” one asked. “Is it a superfan polyglot who wants everyone to know about his favourite writer/composer? Is it someone using AI to artificially boost this guy’s performance metrics?” The Investigation A Wikipedia editor who goes by “Grnrchst” recently decided to find out,…
Main theme: In this episode of the “Talking Cars” podcast, we discuss our initial impressions of the new 2026 Tesla Model Y. Significantly freshened, the new Model Y received many changes seen in the updated Model 3, including acoustic glass for a quieter interior, more soft-touch materials throughout the cabin, a touchscreen for the rear…
SpaceX is planning to raise tens of billions of dollars through an initial public offering next year, multiple outlets have reported, and Ars can confirm. This represents a major change in thinking from the world’s leading space company and its founder, Elon Musk. The Wall Street Journal and The Information first reported about a possible…
Honorable Mentions During the winter, a whole WIRED crew tests ski clothes almost constantly. Here are a few other items that we like. Courtesy of REI Hestra Fall Line 3-Finger Gloves for $152: I’ve long admired Hestra gloves from across the lift line, impressed by the Swedish company’s elegant stitchwork and thoughtful design touches. This…
In her classic novel Frankenstein, author Mary Shelley imagines a monster that’s reanimated with its piecemeal body sewn together, tendon by tendon. “The dissecting room and the slaughter-house furnished many of my materials,” Shelley writes. That’s exactly what scrolling through Instagram feels like right now—an ungodly morass of features stitched together. It’s an AI search…
Look ahead, around, and behind. “It’s important to look where you want to go, scanning both far ahead and right in front of you,” Crossen says. “But don’t forget about what’s going on to the sides and behind you. You should check your rear- and side-view mirrors every 5 to 10 seconds. That can help…
Other Fitness Trackers to Consider Photograph: Adrienne So Garmin Instinct 3 for $400: Garmin’s Instinct line doesn’t have as many high-end features as the Fenix 8, but it’s popular because it’s cheaper and it has a cool, chunky retro aesthetic that I love. This year’s updates include the built-in flashlight and a new reinforced bezel,…