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TIL: a 13 yr old who made a Braille printer out of Legos after discovering that millions of blind people in developing countries buy Braille devices that cost $2K and weigh 20 lbs. His prints Braille from computers to paper using raised dots instead of ink, weighs a few lbs, and costs only $350.

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TIL: a 13 yr old who made a Braille printer out of Legos after discovering that millions of blind people in developing countries buy Braille devices that cost K and weigh 20 lbs. His prints Braille from computers to paper

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Why do we often hate the sound of our own voice on recorded devices?

Why do we often hate the sound of our own voice on recorded devices? Is this how we "truly" sound to others? Is the voice we hear ourselves false? Does the technology alter our voice, downgrading it? submitted by Mcheetah2

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YSK about inkin.com, a website where you can compete with others across different fitness devices and apps

YSK about inkin.com, a website where you can compete with others across different fitness devices and apps If you have a fitness tracker and/or are part of a group that have them as well you can use inkin to link

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TIL avocados contain more fat than any other fruit or vegetable. Also, the trees contain enzymes that prevent the fruit from ever ripening on the tree, allowing farmers to use the trees as storage devices for up to 7 months after they reach full maturity, allowing avocados to always be in season.

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TIL avocados contain more fat than any other fruit or vegetable. Also, the trees contain enzymes that prevent the fruit from ever ripening on the tree, allowing farmers to use the trees as storage devices for up to 7 months

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TIL The iconic ‘scream’ made by WW2 dive bombers is produced by two separate acoustic devices mounted to the wings, known as a ‘Jericho Trumpet(s)’ and serve no purpose beyond intimidation.

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TIL The iconic ‘scream’ made by WW2 dive bombers is produced by two separate acoustic devices mounted to the wings, known as a ‘Jericho Trumpet(s)’ and serve no purpose beyond intimidation. submitted by seanjrm47 [link] [687 comments] Source: top scoring

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With the growing popularity of low voltage devices, would it make it easier to have a low voltage DC power network (like the existing high voltage AC ones we have) throughout the house?

With the growing popularity of low voltage devices, would it make it easier to have a low voltage DC power network (like the existing high voltage AC ones we have) throughout the house? I realize that AC is used because

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YSK AEDs are user-friendly devices that untrained bystanders can use to save the life of someone having sudden cardiac arrest, simply turn on for instructions!

YSK AEDs are user-friendly devices that untrained bystanders can use to save the life of someone having sudden cardiac arrest, simply turn on for instructions! More details here submitted by AMbuck [link] [2 comments] Source: You Should Know

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TIL Motorola’s has developed an “edible password pill” which once digested, is activated by the acid in your stomach emitting an 18 bit signal which is strong enough to communicate and unlock all your devices and is also FDA approved.

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TIL Motorola’s has developed an “edible password pill” which once digested, is activated by the acid in your stomach emitting an 18 bit signal which is strong enough to communicate and unlock all your devices and is also FDA approved.

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YSK that iPads and most touchscreen laptops are poor note-taking devices for handwriting. Here’s what you SHOULD get instead.

YSK that iPads and most touchscreen laptops are poor note-taking devices for handwriting. Here’s what you SHOULD get instead. A lot of college students buy iPads because they're popular or they get discounts on them as students. The problem, though,

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