One Simple Thing That May Be Interfering With Your Wi-Fi Signal

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iStock

You may want to consider your holiday streaming plans before hanging that eighth set of string lights around the living room this year. According to UK communications company Ofcom, Christmas lights and other electronic devices, including baby monitors and lamps, can cause interference that slows down wireless broadband Internet speeds.

Ofcom estimates that nearly six million homes around the UK could benefit from Wi-Fi optimization. According to Nandan Kalle, a networking business unit manager for Belkin, many everyday electronics all use the same bands of frequencies (around 2.4GHz). Speaking to PC Mag, Kalle uses the analogy of a "three-lane road that's really, really busy," and lists nearby routers, cordless phones, microwaves, and older Bluetooth devices as objects that can add to the interference. Even large groups of people can slow down Internet speeds, because the signal works harder to pass through the amount of water in human bodies (although Kalle calls that scenario "an extreme case").

See Also: 9 Ways to Boost Your Home Wi-Fi Network

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How to Rig Your Android Phone to Play Old Floppy Disk Games

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iStock

Owning a smartphone means you have thousands of games at your fingertips, but capturing the nostalgia of playing a game saved on a floppy disk isn't as simple as downloading an app. Reviving floppy disk games for the smartphone era is a bit more complicated, and YouTube vintage video game reviewer LGR shows you just how to do it step by step.

In this video, spotted by Kotaku, LGR takes an old floppy disk, the same kind you used in your computer class at school, and uses it to play a classic video game on a smartphone. This is made possible with an Android phone, a USB connector, an Android USB adaptor, and a portable floppy disk drive that's about as big as the phone itself. (The hardware doesn't work for iPhones, but if you're an Apple user there are plenty of ways to play old PC games online).

Just inserting the disk into the drive when it's connected to your phone isn't enough to start playing: You need to download a special app that mimics Microsoft's old disk operating system, like Magic Dosbox, for example. Once you have that on your phone, you can use it to open whatever game is saved to your floppy disk.

Because old PC games weren't made for touchscreens, the smartphone gameplay can be a little be a little awkward—but if you're willing to hook a floppy disk drive up to your phone, convenience likely isn't your goal. You can watch LGR's full instructions in the video below.

[h/t Kotaku]

The Blue Light Emanating From Your Smartphone Could Ruin Your Eyes

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iStock

We already know that the blue light from our devices is a major contributor to insomnia. Now, a new study published in the journal Scientific Reports suggests that our ubiquitous screens pose an even more insidious threat. As Business Insider reports, looking at blue light all day can speed up the process that causes blindness.

For the study, researchers from the University of Toledo shined blue light—the same kind that emanates from smartphones, laptops, and tablets—directly onto eye cells. They found that the light transformed retinal molecules in the eye's photoreceptors into molecules that were toxic to the cells around them. The new, mutated retinal dissolved the membranes of nearby photoreceptor cells, ultimately killing them. In other words: Blue light can cause serious damage to the eyes.

Macular degeneration is what happens when photoreceptor cells in the eyes break down, as was the case in the researchers' blue light experiment. Unlike other some cells, photoreceptor cells in the retina can't regenerate, so if enough of them die, it can lead to permanent vision impairment or even blindness.

This process happens naturally to some people as they age, but blue light adds an unnatural element to the equation. If you spend enough time with your eyes locked to a screen, the quality of your vision could degrade much faster than it would otherwise.

The easiest way to avoid this outcome is to look at your phone less, which is easier said than done. A more realistic resolution to make is to avoid scrolling through apps or opening your computer in the dark.

[h/t Business Insider]

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