The original version of this story appeared in Quanta Magazine. Picture a bizarre training exercise: A group of runners starts jogging around a circular track, with each runner maintaining a unique, constant pace. Will every runner end up “lonely,” or relatively far from everyone else, at least once, no matter their speeds? Mathematicians conjecture that…
However, an unreliable used car—no matter how low its price may be—is never a good value. If you aren’t careful with your research, you can end up with a used car, minivan, pickup truck, or SUV that costs you more in repairs than you paid for it. In fact, you may spend so much on…
If you’re in the market for a new TV, this is a great time to buy. You can still find a decent number of leftover 2024 models offered at big discounts, as well as new 2025 sets that are now at their lowest prices of the year. Regardless of the model year, the very best…
That’s why it’s important to approach each new-car shopping experience with an open mind and use CR’s ratings to find the best-performing vehicles in the class and price range you’re considering. Our testing shows that some new cars outperform others you see on the road everywhere you go. “Don’t just follow the crowd when buying…
Layla mattresses let you flip between a softer or firmer side, depending on your needs. I’ve been testing iterations they’ve come up with for years. We’re testing Layla’s bamboo sheets at the moment, and I can report that they’re ridiculously silky and breathable. If you’re looking to score the whole nine yards—mattress, sheets, bedding, and…
To determine the size generator you need, make a list of the appliances you want to power and add up their wattages. And here’s a tip: If you’re considering a portable generator, don’t spring for one that produces a lot more power than you’ll be using. “There’s no need to go larger unless you want…
In most cars, the low-fuel light generally comes on when you have less than 50 miles of fuel range left. What you need to remember is that even though technology keeps improving, it’s still always better to err on the side of caution when it comes to how much fuel you keep in your tank….
Coffee is the original office biohack and the nation’s most popular productivity tool. As we lose sleep to the changeover to daylight saving time, the caffeine-addicted WIRED Reviews team is writing about our favorite coffee brewing routines and devices that’ll keep us alert and maybe even happy in the morning. Today, reviewer Matthew Korfhage expounds…
We evaluated both single-boiler and dual-boiler espresso machines. Each one operates a little differently. All of these models require you to pack coffee grounds into a portafilter, which you lock into the machine to brew espresso (as opposed to coffee makers that take pods or espresso machines that dispense the beans themselves), and they all…
Since the middle of last year, there have been at least three major AI “acqui-hires” in Silicon Valley. Meta invested more than $14 billion in Scale AI and brought on its CEO, Alexandr Wang; Google spent a cool $2.4 billion to license Windsurf’s technology and fold its cofounders and research teams into DeepMind; and Nvidia…