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heads up displays or Huds as they're more commonly referred to are display

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units which allow the user to monitor important information on a display

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without the distraction of well uh putting his or her head down okay so

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admittedly the name wasn't inspired by any particularly outof thebox thinking

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but while the name May suck Huds themselves are a revolutionary idea and

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although many of you will quickly recognize heads up displays as the

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interface showing you know how much health and Gordon Freeman has left after

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clubbing 400 baby head crabs or whatever

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really that's just fantasy and in the same way that truth is often Cooler Than

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Fiction the origin of Hud technology is

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actually derived from jet fighters even better now to be clear they weren't as

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advanced as what you'll find on your collector's edition Master Chief helmet

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that was totally worth the $13 you spent on it but rather they were based roughly

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off an old airman's machine gun reflector site which illuminated a

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Target in the site when properly aligned this technique was eventually adapted By

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Her Majesty's Royal Air Force in the early' 40s and adopted to use cathode

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ray tubes and phosphorous coated TV screens you know like the one your

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grandma still has to allow night Pilots to monitor targets directly via HUD

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radar and then well from there on the

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seals never really stood a chance did they second gen units instead use solid

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light such as from LEDs to project images onto a pilot's wind screen from

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an LCD display and are commonly found on Commercial aircraft but due to their

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cost at the time were unlikely to be found in consumer goods like cars third

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gen Huds on the other hand don't require projection at all anymore but instead

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utilize a specially coated viewing surface and a doad called an optical

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wave guide which manipulates visual light spectrum waves whatever the pants

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that means allowing folks like automakers to display readouts like

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speed GPS navigation uh music controls

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or even like web content directly onto their proprietary HUD systems on the

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windshield which finally brings us to fourth gen systems which use lasers to

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display highdefinition images directly onto clear surfaces like that suet

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interface and Minority Report potentially making them very compact

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portable and versatile but heads up displays aren't just useful when

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operating a vehicle or solving future crime in fact there's an Ever growing

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list of programs which in essence transform a person's smartphone camera

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into a miniature HUD and you know while

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yes technically any display that sits right in front of your face so you don't

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have to put your head down is technically a HUD most of them are better implemented than that and that

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allows people to see information about local hotpots Museum exist exhibits or

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even the Plenty of Fish profiles of passers by as they walk down the street

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and as this technology continues to develop be that in the form of laser

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displays uh transparent OLED displays holographic displays or even head

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mounted displays that have a screen to show you the virtual stuff with cameras

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mounted to the front for the view of real life more and more people will be

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able to enjoy the benefit of access to information without the use of their

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hands and assuming all goes according to plan this will even be possible without

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having to wear something that makes you look and feel like a total early adopter

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glass hole but what if we lived in a world where you didn't have to go out in

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public at all to get your razors and other bathroom supplies shipped directly

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to your door for only a few bucks a month well that world is now and here if

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you're in Canada the United States Australia or New Zealand with Dollar

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Shave Club they've got their razors their Dr Carver shave butter their one

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wipe Charlie's peppermint scented butt wipes from Men the peppermint scent is

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important I mean what if you know someone was real close to your butt and

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right see yeah they've got their post shave moisturizer and travel sizes of

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some of those key things like the one wipe Charlie if you're ever traveling in

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Asia like I was before you'll be happy you have some one wipe Charlie on you

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they've got a variety of razors all the way up to the six blade executive and

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there's no need for vibrating handles

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which although that could be useful for oh sorry uh no need for vibrating

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handles just high quality razors and other bathroom supplies right to your

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door once a month that's

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dollarshaveclub.com to join the

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club thanks for watching guys if you like the video you know what to do if

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you disliked well you know how to do that too I've seen plenty of evidence of

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that on the internet also you suggestions for future fast as posses go

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ahead and uh leave a comment below actually periodically we do go through

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them and look for suggestions and I think that pretty much wraps it for this

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one don't miss the Channel Super Fun video where we paint my car though that

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is over there and you are going to want to be over there watching

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that