11 Best Computer Monitors (2025): Budget, OLED, 4K

Once you’ve decided on a size, there are a number of other important aspects of your next monitor to consider. Some of these factors may matter more for certain uses—for example, gamers generally care more about higher frame rates than office workers do—but they’re all handy to know going in. Resolution: The bigger the monitor,…

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7 Best Automatic Litter Boxes (2025), Tested and Reviewed

Compare Our Picks Others We Tested Photograph: Kat Merck Els Pet Orbitie for $260: This is one of the least expensive lidded automatic litter boxes. It functions much like the more expensive models, with an internal 65-liter-capacity orb that rotates and catches clumps with a plastic grate, depositing them into a bag-lined box below. The…

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11 Best Protein Powders, According to Years of Testing (2025)

Compare Top 11 Protein Powders More Protein Powders to Consider Photograph: Boutayna Chokrane Naked Casein: With only one ingredient—micellar casein sourced from hormone-free skim milk—it’s about as clean as it gets. No added sugar, no artificial sweeteners, and no unnecessary additives. It’s cold-processed, to avoid any nastiness from chemicals or synthetic fillers, and it’s independently…

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How to Choose the Right Size Generator

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…

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What Is a Reasonable Life Span for a Modern Car?

With modern cars, there’s more to go wrong because you have more systems and technology than previous generations. On the other hand, they’re generally better built because many features are implemented efficiently, such as abilities added via software rather than new mechanical components. Even the metals are more rust-resistant than they were in the past,…

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6 Best Digital Notebooks, Tablets, and Smart Pens (2025)

Comparing Our Favorite Digital Notebooks Our Favorite Smart Pens Neo Smartpen M1+ for $129: Skip the tablet and write directly on paper with a smart pen instead. The Neo Smartpen M1+ is the thinnest and lightest of all the pens I tried, which makes it feel a bit more like your standard pen. Importantly, it’s…

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What Are Ebike ‘Classes’ and What Do They Mean?

Over the past few years, electric bikes have skyrocketed in popularity (conscious decision not to use the word exploded there), with some estimates saying that ebike sales in the US grew tenfold over the last decade. Whether you are in the market for your first ebike or are borrowing one from your local lending library,…

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8 Air Conditioner Problems and How to Fix Them

3. Warm air is leaking in. Check the seals around your window AC to make sure hot air isn’t getting in and cold air isn’t seeping out. Reseal around your unit with weather stripping if necessary. “Most new window units come with insulation panels to place over the plastic adjustable side panels,” says Chris Regan,…

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Best Whole-House Generators

“A home standby generator does a great job of supplying backup power during an outage,” says Dave Trezza, the test engineer who heads CR’s generator testing program. “But standby generators aren’t cheap, and the installation can be complex and expensive—not a DIY job. That’s why you need a properly sized, top-performing model from our tests…

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