| The long smoky trails you see behind airplanes passing overhead are not actually smoke, but composed primarily of water (with a few minor impurities)–at high altitudes, the water vapor byproduct of the jet fuel combustion quickly crystallizes into millions of tiny ice crystals.  | |
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Today's How-To Geek Articles | |
| By popular request, we're including a quick list of the daily articles at the top of the daily email as well as the regular format near the bottom.
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Today's Tech Term
Throughput | |
| Throughput refers to the amount of work completed or the amount of data transferred from one location to another within a specified amount of time. | |
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| This section contains what we're reading from around the web, along with commentary from our editors. Think of it like your daily digest of the most interesting things online. | |
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| If you read a lot of websites in Chrome or Firefox that split their articles up into many separate pages, or put each image in a gallery on a new page, we have a tip for you that will make reading sites like that much easier and faster. | |
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| Earlier this month, Google added a Goals feature to the Google Calendar apps for iOS and Android. Goals automatically finds free time in your calendar and schedules recurring events to help you achieve your goals. Here’s how to get it all set up. | |
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| Phones are private, full of personal data and messages. Guided Access allows you to share your iPhone with someone without being able to access that data–allowing them to look at photos, place a phone call, or play a game while your stuff stays hidden. | |
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| Ubuntu 16.04 LTS introduced “Snap” packages, which are a great new way of installing apps. Snaps require different terminal commands–apt-get and dpkg will only allow you to install .deb packages the old way, not Snaps. | |
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| Remote controls are so 1950. If you have a Kodi media center and an Amazon Echo, you can play all your favorite movies and shows with a well-placed voice command…if you’re willing to do a little setup. | |
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| Belkin has a diverse lineup of WeMo products, but its latest addition is the WeMo Insight Switch. It not only allows you to turn appliances on and off from your smartphone, but it also monitors power usage and provides estimates on how much you’re spending by having that space heater plugged in. Here’s how to make the most of that information. | |
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| Google changed the device-to-TV scene with Chromecast, but as with all technology, it can have problems. At some point, you may need to reboot or factory reset your Chromecast. While these options are slightly hidden to prevent an accidental reset, it's a straightforward and simple process. | |
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| Say you've created an Excel workbook you need to distribute, but you can't reveal the formulas you used in that workbook. We'll show you an easy trick that allows you to copy a worksheet to another workbook and quickly remove the formulas, so only the results show. | |
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| Starting with iOS 7, Apple introduced a feature named Activation Lock for iOS devices. When you sign in with an iCloud account and enable the “Find My” feature, the phone becomes tied to your iCloud account. If you’re buying or selling a device, you’ll want to ensure that the Activation Lock is disabled so that it can then be activated by the new user. | |
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| If you use an Apple product like a Mac, iPhone, or iPad, then you may have noticed the “Game Center” app…but probably never opened it. Today we want to talk about what the Game Center is, and whether you’re missing anything. | |
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| Windows 10's next big update, dubbed the "Anniversary Update", comes out this summer, and we’re starting to see some features in the Insider Preview builds today. Here’s what’s been announced so far, along with a few goodies we’ve discovered in the first and second previews. | |
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