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Slow Wi-Fi? It Could Be Your Neighbor's Fault

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If your Wi-Fi connection remains interminably slow no matter how many times you restart it, you can probably blame your neighbor. It could be that there are too many people using Wi-Fi connections on the same channel, even if you're all on different networks. But, as Tech Insider teaches us in the video below, there is a way to circumvent this, returning you to the prime TV-streaming Wi-Fi speeds of your dreams. (These instructions apply to Mac users, but if you've got Windows, How-To Geek recommends a tool called the Xirrus Wi-Fi Inspector to do the same job.) It seems like a lot of steps at first, but it'll be worth it—we promise.

If you’ve got a Mac, hold the Option key while clicking the Wi-Fi symbol in your top menu bar. Go to “Open Wireless Diagnostics,” then when that opens, go up to the top left menu bar and click the drop-down menu “Window > Scan.” That will open up a window with all the nearby Wi-Fi networks. Click the “Scan Now” button on the bottom right, and your computer should recommend the best channels for you to use—say, you’re on Channel No. 1, but the best 2.4GHz channel is No. 3. Tech Insider recommends writing those down (there are options for both 2.4GHz channels and 5GHz channels).

Now, you’ll need to break out your iPhone. Download the AirPort Utility app, and go to your phone’s settings. Scroll down to the AirPort Utility app in your app list, and enable “WiFi Scanner.” Use the app to scan your house for Wi-Fi networks and note which channels are commonly used by your neighbors’ networks. (If you don’t have an iPhone, you can also use Acrylic Wi-Fi for Android or Windows phones.) This will help you avoid the most congested networks.

Then, log onto your router on your computer by typing your router’s IP address into your browser, just like you would any web address. From there, go into Wireless Settings, and change the channel your network operates on to one of the recommended options that you wrote down from your computer's diagnostics window earlier. And don’t forget to save!

This should help you get a faster internet connection by minimizing the amount of interference from other networks around you. Because the best neighbors are the ones who don't slow down Game of Thrones for you.

See the process step-by-step in the video below.

[h/t Tech Insider]

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Why You Should Think Twice About Drinking From Ceramics You Made by Hand
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Ceramic ware is much safer than it used to be (Fiesta ware hasn’t coated its plates in uranium since 1973), but according to NPR, not all new ceramics are free of dangerous chemicals. If you own a mug, bowl, plate, or other ceramic kitchen item that was glazed before entering the kiln, it may contain trace amounts of harmful lead.

Earthenware is often coated with a shiny, ceramic glaze. If the clay used to sculpt the vessel is nontoxic, that doesn’t necessarily mean the glaze is. Historically, the chemical has been used in glazes to give pottery a glossy finish and brighten colors like orange, yellow, and red.

Sometimes the amount of lead in a product is minuscule, but even trace amounts can contaminate whatever you're eating or drinking. Over time, exposure to lead in small doses can lead to heightened blood pressure, lowered kidney function, and reproductive issues. Lead can cause even more serious problems in kids, including slowed physical and mental development.

As the dangers of even small amounts of lead have become more widely known, the ceramics industry has gradually eliminated the additive from its products. Most of the big-name commercial ceramic brands, like Crock-Pot and Fiesta ware, have cut it out all together. But there are still some manufacturers, especially abroad, that still use it. Luckily, the FDA keeps a list of the ceramic ware it tests that has been shown to contain lead.

Beyond that list, there’s another group of products consumers should be wary of: kiln-baked dishware that you either bought from an independent artist or made yourself. The ceramic mug you crafted at your local pottery studio isn’t subject to FDA regulations, and therefore it may be better suited to looking pretty on your shelf than to holding beverages. This is especially true when consuming something acidic, like coffee, which can cause any lead hiding in the glaze to leach out.

If you’re not ready to retire your hand-crafted ceramic plates, the FDA offers one possible solution: Purchase a home lead testing kit and analyze the items yourself. If the tests come back negative, your homemade dishware can keep its spot on your dinner table.

[h/t NPR]

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Smiling Could Improve Your Athletic Performance—But Your Grins Can't Be Fake
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Athletes obviously enjoy breaking a sweat, but it’s not often that you’ll see one break into a smile while in the throes of competition. Yet that’s exactly what many coaches instruct them to do: Grinning mid-race has been said to relax muscles and boost physical performance. Recently, a group of researchers put this theory to the test, according to The New York Times. Their findings were published in the journal Psychology of Sport and Exercise.

Researchers from Ulster University in Northern Ireland and Swansea University in Wales instructed a group of 24 non-professional runners—both men and women—to shift between smiles and scowls while running on a treadmill. The volunteers were told that the experiment would measure how certain factors affected the amount of oxygen they used while jogging at various running speeds.

For the experiment’s first stage, runners wore face masks that measured their breathing. As they exercised until fatigue, researchers asked them to rate how they felt and report their coping strategies—for example, whether were they ignoring their pain or embracing it.

The study’s second segment required volunteers to engage in four individual runs, each lasting for six minutes. Mid-run, they were told to smile both genuinely and continuously, to scowl, to relax their torsos using a visualization technique, or to simply fall back on their usual endurance mindsets.

Smiles didn’t always improve runners’ performances. A few subjects picked up the pace while grimacing, possibly because these “game faces” made them ultra-determined to beat their personal records. But overall, runners with smiles were nearly 3 percent more efficient than normal. While seemingly insignificant, this difference is large enough to affect someone’s race performance, experts say.

Keeping in mind the study’s small size, the authors conclude that exercising while smiling might reduce muscular tension and thus amp up performance. But in order to gain this positive effect, athletes must beam genuinely. Fake smiles, like the kind you’ll see in school pictures, don’t work as many facial muscles, and therefore result in lower levels of relaxation.

Since it’s hard for anyone (let alone a focused athlete) to maintain an authentic smile during prolonged periods of strenuous activity, scientists suggest smiling near a race’s end, in 30-second intervals.

[h/t The New York Times]

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