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Best overall: Dyson V11 Torque Drive Cordless Handheld Portable Vacuum CleanerBest for hardwood floors: Bissell Featherweight Cordless Stick Vacuum (3061)Best for carpet: Shark Cordless Pet Plus with Anti-Allergen Complete SealBest lightweight: Eureka RapidClean ProBest for pet hair: Bissell Pet Hair Eraser Cordless Hand VacuumBest cheap: Bissell Zing Bagless Canister Vacuum (2156A)Best cordless for stairs: Samsung Jet 90 How we picked the best vacuums for stairs There are thousands upon thousands of highly rated vacuums on the market—which made narrowing our list down to just seven picks quite a feat....

A VPN, or virtual private network, is a service that encrypts your data to protect your online identity by hiding your IP address (internet protocol) which is a unique list of characters that identifies the computer and can leave a trail of information, like your address, around the internet. A VPN routes your information into different locations to hide your IP address and online identity to allow you to browse the internet more privately, leaving fewer clues of who you are....

Best overall: NordVPNBest for mobile: ExpressVPNBest high-security: CyberGhostBest that accepts Bitcoin: Private Internet AccessBest that accepts altcoins: SurfsharkBest budget: ProtonVPN What is a VPN? When using a web browser, the websites you visit have the ability to collect information about you, including your IP address and location. Large companies like Google and Facebook use these details, along with information about your browsing habits, to send you personalized advertisements, among other things....

Best Multiplatform VR Game: Star Trek: Bridge CrewBest VR Game for Small Spaces: SuperhotBest VR Game for Kids: Fruit Ninja VRBest VR Game on PC: Half-Life: AlyxBest VR Game for Beginners: Job SimulatorBest Budget VR Games: Farpoint or Batman: Arkham Things to consider when buying VR games There are a few things you’ll want to consider before deciding on the best VR games for you. Think about the VR type, what kind of gaming experience you have, how many players there are if you want to play with kids, and what kind of space you’ll be gaming in....

Best overall: Anker PowerWave II PadBest for iPhones: Mophie 3-in-1 Wireless Charging Pad Best for Samsung devices: Samsung Wireless Charger TrioBest car charger: iOttie Wireless Car ChargerBest budget: Yootech Wireless Charger How we selected the best wireless phone chargers We compared over 50 wireless phone chargers and narrowed them down to these select few by comparing cost, wattage, compatibility, design, and user impressions. While all our picks have the end function of providing wireless power to your phone and devices, they vary in price point and form factor so you can find the right charger for you....

When the new widebody 777x enters service, it will seat as many as 426 people in its longest of two configurations. But while the size of the plane’s fuselage is what allows it to carry so many people, it’s the design of the wings that really sets it apart from an engineering perspective. In both models of the new aircraft—the 777-8 and the 777-9—the wings will measure 235 feet from tip to folding tip....

Enter Chrome Actions—functional shortcuts you can run directly from the address bar at the top of the Google Chrome interface. They give you access to features and settings that are also available through the browser’s menus, but now you can get at them more quickly. Some of the most useful Chrome Actions include opening up a new incognito window, managing your passwords, and clearing your browsing history. Once you start using these shortcuts you might wonder how you ever did without them....

Canon has more than 70 broadcast box lenses on site in PyeongChang, including some of the flagship UHD DIGISUPER 86, which you can buy right now for $222,980 on the open market. It weighs 59.5 pounds, and is 10 inches wide and tall and 24 inches long. To look at it, you could mistake it for a really fancy toaster oven with glass on one end. But you won’t find any bagel bites inside—it’s full of carefully shaped pieces of glass....

Build a Keyless Unlocker Time: 2 Hours Cost: $65.02 Difficulty:Relatively Easy Open the printer. Slide the battery cover plate off and remove the battery. Snap the plastic bezel off the front of the printer, and remove the two screws that hold the cover plate in place. Remove the narrow ribbon cable. Route two wires into the printer via the paper exit slot. Solder one to the “TP14” solder connection point on the circuit board, and the other to any ground point on the board....

Touching down on Mars in 2018, InSight has been the first robotic lander to peer deep within the planet’s interior in order to study its crust, mantle, and core. The lander has since delivered scores of valuable scientific data and crisp images of the Martian surface back to scientists on Earth. Using an assemblage of powerful tools, the mission has helped answer key questions about how rocky planets both form and evolve in our solar system and far beyond it....

The same day that Merlin announced its partnership with the Air Force, it also announced a second round of $105 million in funding, which combined with a first round means the company has $130 million of runway to develop its technologies. (In Air Force terms, $130 million is enough money to buy one F-35A and have some change left over.) This funding, says Merlin Labs CEO Matthew George, will help the company continue to develop “the world’s most capable, safest and flexible pilot, that will eventually enable very large aircraft to fly with reduced crew and small aircraft to fly totally uncrewed....

To defeat swarms like this, the US military is developing THOR, or the Tactical High Power Operational Responder. Built for the Air Force Research Laboratory, THOR is one way that bases or other military installations might defend themselves against aerial robots traveling in groups. Officially, THOR is a “counter-swarm electromagnetic weapon” that “provides non-kinetic defeat of multiple targets.” Stripped of jargon, this means that instead of using bullets or explosions to disable robots, THOR turns to messing up their electronics, specifically by hitting the gaggle with a high-powered microwave....

Look, listen, and sniff for the warning signs below to know whether you need to schedule repairs. These are not the only signs there could be problems with the foundation or walls, but they are fairly easy to notice. You should look further for stains under your windows, which can mean water is getting in around the frame. H2O can also get into your walls, attic, or basement thanks to rusted, leaky gutters or gaps between gutters and the roof’s edge....

A jet stream is a current of fast-moving air in the atmosphere. Just as you can swim faster and further when going along with a current of water, pilots can take advantage of jet streams when they happen to be flying in the same direction as the stream of air; they use less fuel and can get to their destination faster. But there is also a downside. When flying against a jet stream, flights can take much longer....

With 11.3 million tons of textile waste landfilled in 2018—most of which is discarded clothing—minimizing waste is crucial. However, is renting clothes really more sustainable than buying a new article of clothing? Research shows it’s not that simple. Gen Z consumers are willing to rent clothes to minimize waste According to a small 2021 study published in Sustainability, Gen Z adult consumers were keen on trying apparel rental services to reduce their overconsumption of clothes....

With CompTIA being the body that issues industry-standard certifications that will get your foot in the door of the IT and cybersecurity sector, securing some certifications can be the best decision you can do for your career. The 2022 CompTIA Secure Infrastructure Specialist Certification Course Bundle can help get you started, as it offers four courses to help you secure the most in-demand CompTIA certifications and become a sought-after professional in the field....

For the study, the researchers recruited 56 people, some of whom were healthy, and the rest had either been diagnosed with schizophrenia or were “at ultra high risk for psychosis,” the study authors write. They were interested in a particular kind of cell called microglia that protects the brain and central nervous system from pathogens that may attack it. To track the brain’s microglia activity, the researchers injected a type of radioactive biomarker that would stick to the cells and then show up in a brain scan....

“I don’t want to speculate about any specific astronaut,” says Chris Hadfield, a Canadian Air Force pilot and astronaut on three separate missions to space. “But it’s not like someone was taking a course and they just couldn’t hack it and they quit.” Hadfield says this is exactly what the candidacy period is all about. It’s a time to evaluate whether this is something you truly want to do and where NASA has an opportunity to evaluate if you’re really the right person to do it....

People with Duchenne muscular dystrophy don’t produce a protein called dystrophin that keeps muscles from breaking down. That’s because they have mutations on a gene in the X chromosome that provides the blueprint for the protein. The genetic errors can look a little different—some people are missing most parts of that gene, so the body can’t produce the protein at all, while others have so many errors in the that the body eliminates the flawed protein as soon as it’s produced—but the researchers turned their attention to those genes that were full of errors, which made the body stop reading the blueprint so that it didn’t produce the protein....