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Tips and Tricks

Are IR scanners in cell phones bad for your eyes?

Maxim P / Shutterstock New Apple and Samsung phones use infrared light to verify their identity. It's like a hands-free device of the fingerprint scanner. Can the infrared light for face identification and iris scanner hurt your eyes? That's a fair question. People do not know much about infrared light, and it's hard to find information that explains the potential …

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Which method first used to measure the current velocity?

Public area Answer: Shocking monks with a battery The first scientific, albeit unconventional measure of current velocity was conducted in 1764 by French physicist Jean-Antoine Nollet. To test the speed of electrical transmission, he assembled hundreds of iron lengths, about two hundred monks and a large number of Leyden glasses (an early and primitive type of battery). The monks spread …

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Daytona 500: Start time, clock and more

Most sports save their biggest event for the end of the season, be it the NFL and the Super Bowl, baseball and the World Series or the Cornhole and the ACO World Championships. (Golf is the rare exception as the Masters arrive at the beginning of the season in the second week of April.) NASCAR is the only sport where …

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Here's How to Convert a File from WMA to MP3

sebra / 123RF If you have a stash of WMA files you might find them on some modern devices a little difficult. They are not as versatile as MP3s. WMA to MP3 Further reading There is a whole host of online and offline converters to use, but we have our favorites. Cloud convert step 1 “/> The quickest and easiest …

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How to use third-party speakers with Google Home Hub

A Google Home Hub and a Bluetooth speaker. Alina Bradford / CNET                                                  You can tell the tiny Google Home Hub ($ 129 at Walmart) to play music from a variety of sources, like YouTube, Google Play Music and Spotify, using voice commands. Unfortunately, its mini speakers just do not sound that good. Linking Google's smart screen to a third-party …

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How to unlock blocked sites

Some governments, schools and businesses are trying to block websites to reduce distractions, save bandwidth or censor content. If you want to avoid such restrictions and are willing to take risks, you can try using the help of a VPN or Virtual Private Network. How a VPN Works A VPN creates a secure system tunnel between your PC and a …

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How to recognize and avoid credit card skimmer

The moment I seriously worried about skimmer credit cards and debit cards, it was not the case when my entire bank account was transferred to Turkey or when I had to replace a credit card three times in two months for fraudulent charges. At that time I learned that stealing a credit card number is as easy as connecting a …

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Instagram Stories 101: How to See and Create Your Own

Leger than an Instagram post, stories support photo, video and text and disappear after 24 hours. Here is your guide (and some professional tips) about Instagram stories. PCMag independently reviews products, but we can earn affiliate commissions by purchasing links on this page. Terms of Use. You use Instagram to keep up to date with the latest photos and videos …

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North Lowers the Price of Focals Smartglasses, Launches Eyeglass Lenses and Adds Pop-Up Stores in Seattle and San Francisco «Next Reality

Following the opening of Norths Focals' first pop-up showroom next week, customers can now purchase smart glasses at a dramatically lower price. On Thursday, the company announced a new pricing structure for the company Smart Glasses. Originally priced at $ 999, the base model of black-finished focals is now available with an over-the-counter frame starting at $ 599. Also new …

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