AR (Augmented Reality) & Virtual Reality (VR) applications (apps) are determined by computer simulation of real-life scenarios and environments. The simulation will bear a higher a higher level resemblance with whatever is being depicted from real-life, either graphically or sensorially. The definition of ‘sensorially’ is broader than ‘graphically’ as it means as much as possible perceptible to the senses I.e. graphics, touch, sound, voice, smell and so on. Usually, the quality of resemblance with the original must be often higher and more accurate when it comes to VR compared to AR apps.

Think about the videos of an 100-metre dash from the recent Olympic Games. The main commentary could possibly be in English therefore, as it is, that video won’t be very welcome to french. Either changing the commentary to French or adding suitable French sub-titles can make it more pleasurable with a French audience. This, basically, is when AR finds its opportunity – augmenting the initial with an increase of useful info – in our example, substituting French for English and thus, making the information worth more for the French-speaking. As another example, take into account the video capture of your road accident. Two cars collide over a highway and one is badly damaged. The authorities most likely are not in a position to pin-point which present in drivers was to blame for the accident merely by viewing it. If, however, the playback quality was pre-processed by an AR application that added mass, speed and direction info. in the cars to the video, then, the main one responsible could be established with close to, maybe, hundred-percent certainty.

VR (Virtual Reality), on the other hand, is very completely different from AR. The truth is, both the only share one thing in common – computer based simulation. As mentioned above, the simulation given by VR must be of these high quality that it must be indistinguishable from reality. Theoretically, this can be impossible. Therefore, for practical purposes, VR only means a diploma of approximation, sufficient to get a user to obtain a ‘live’ connection with the simulated environment. Moreover, VR is interactive and responds sensorially, in ‘real-time’, and as in real-life e.g. in the VR application, imagine you’re in a forest, about to burn a pile of cut-down bushes and dry leaves. You douse the pile with gasoline. A fox is keenly watching you against an area place. Then you throw a lighted match-stick to the pile… it will respond immediately showing a solid, quickly spreading fire burning about the pile, its shape occasionally altered with the the wind… so when in real-life… the fox (scared with the fire), must run away? – and yes it does! The device may let you change the direction, speed and alteration from the speed of the blowing wind, angle of throw in the match-stick etc. along with the system will respond with all the new results immediately! Thus, VR enables anyone to try out real-life scenarios and acquire sufficiently accurate results just as though he/she were inside the desired environment/ place, personally, but save your time, travel & resource costs etc.

VR applications consume awesome quantities of computing power. Compared, AR applications aren’t whatsoever demanding on resources – AR applications run comfortably on mobile phones, tablets, other hand-helds, laptops and desktops. Very probably, you’re using a number of AR apps on your Android/ iOS device, today, without knowing it! (e.g. Wordlens, Wikitude World Browser etc.).

The real reason for the difference is the fact that VR apps first need to correctly interpret whatever action an individual performed after which ‘make out’ the appropriate response the real environment would return, full of animated graphics, movements from the right directions, sounds and so forth and in addition, as per correct physics, math as well as any other sciences involved. Above all, ‘latency’, or perhaps the response time in the application, must be sufficiently high. Or even, the user, who’s have understandably high expectations, will get so completely put-off that he/she might burst by helping cover their a string of unprintable words for the effect "to hell using this type of dumb thing!’. To prevent such failures, a pc (or network of computers) furnished with unusually powerful mobile processors, high-fidelity graphics software, precision motion trackers and advanced optics, is essential. And that explains, why.

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