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many newer Technologies really try to push the boundaries of what can be done

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and bring the world something that it's never seen before but sometimes some of

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the most useful stuff can just be a rehash of something that's actually very

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old sometimes thousands of years old as

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is the case with electronic ink although we've had paper and ink for a millennia

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and can read just about anything we want on smartphones or tablets e-readers that

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use electronic ink or e in instead of fully-fledged LCD screens are a very

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popular choice but Luke why do people

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even buy these things I mean your Android or iOS device can display ebooks

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just fine so what's the point well to understand the advantages eink devices

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have it helps to know a little bit about how they work a standard black and white

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eink display is made up of millions of very small spheres called micro capsules

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and are filled with black and white particles of pigment suspended in a

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fluid white particles carry a positive electrical charge while black ones carry

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a negative charge when you want to display something like that copy of 50

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Shades that you only read after everyone's gone to bed your e-reader

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applies different electrical fields to each micro capsule which in turn makes

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either the white or black particles rise to the top creating text or an image

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e-readers can also apply different charges to different sides of a single

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micro capsu giving capsules a half white half black

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or gray appearance which can be very useful in increasing resolution by

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giving the edges to letters and other objects a smoother look the nice thing

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about this ink suspended and goop system is that once the ink is pushed to the

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top it stays there without needing any kind of power input the display only

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draws power when you have to change something on the screen such as going to

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the next page because simply leaving a page on the screen while you're reading

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it uses no power on unlike an LCD display battery life for e-readers is

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often measured in like days or even weeks instead of hours the downside to

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this of course is just like with real paper you'll need some sort of external

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light so you can actually read what's on the page some e-readers like the popular

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Amazon Kindle paper white have included built-in LED lights for reading after

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dark which works with a light guide to direct light evenly across the screen so

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that it's easy for your eyes and convenient but also harder on your

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battery even so the need for a light source is a worthwhile trade-off for

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people who want easy portability less eye strain than a typical LCD screen and

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the same awesome viewing angles you'd get from a gas station paperback and if

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you want to do more than just read in black and white there's even color e in

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technology that uses other color pigment particles and additional electrodes or

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color filters on top of the display though it hasn't achieved widespread

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adoption in in the consumer market yet thanks to its ability to hold images for

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a long time without using electricity electronic ink is starting to find its

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application in other things other than just e-readers even flash drives with

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external eink displays that uh are able to display how much capacity is still

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left inside iink SmartWatches that don't need to be charged nearly as often as an

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Apple Watch or say Galaxy Gear there are lots of cool Concepts that may become a

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reality as well such as e in credit cards that show your balance on the card

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in real time and even large scale displays that can even change the

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appearance of walls or Furniture pretty cool maybe one day you'll have an

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electronic ink couch that can display scenes from your favorite Comics but

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quickly switch off when it's time to bring a date

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or go to Tunnel bear.com Linus like the video if you liked it

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dislike it if you disliked it don't forget to subscribe down below also

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check out Channel Super Fun over there it's always it's cool stuff we're doing

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some pretty cool things later this week I can't tell you about it though yeah

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anyways Down Below in the comments if there's something you'd like to see us

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cover here on Channel Super Fun tell us there if there's something you'd like us

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to do I mean here on Techquickie there we go if there's something you'd want us

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to do on Channel Super Fun go over there comment on that channel yeah anyways

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don't forget to subscribe see you next time