Virtual touching. When talking about the senses we want

Virtual Reality is the idea of experiencing
an environment while not being physically there. This is all done by using
computers to make a simulated environment and use VR glasses also called
Head-mounted display to experience it. The goal of VR is to make it as engaging
as possible that means it must feel realistic as the real world, this is done
by stimulating as many senses possible such as vision, hearing and touching. When
talking about the senses we want to have all of them available, the vision and sound
are the most simple to cover but the rest like smell, touch and feel are more complicated
to have, this is all depending on the equipment. The VR glasses have sensors in
them that rotate with your head so that you can look around in the VR
environment. The limitations we are facing and is keeping us from experiencing
the best VR environment are computer power, available content and motion
sickness.

There are multiple headsets in Virtual
Reality currently, the main ones being Cardboard with no hardware, so the user must
use his own phone for the VR. There’s GearVR where the user uses his phone, but
the Gear has its own applications and has for interaction the Gear VR side pad,
home button and going back or the controller using Bluetooth. The last main
headset is PC based that have tracking involved. The HTC VIVE is an HMD that uses two tracking stations to mark
a playing area and everything in that playing area is tracked from movement to
interaction with the two controllers, and there’s the Oculus which has the
tracking of the head and recently receive controllers for more complex
interactions.

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Since VR became an interesting and trendy topic more companies are applying it.

VR is being applied in many industries as a
way of training for education, healthcare, military, entertainment, engineering
and much more. These are all examples in what sections VR is applied to the
companies.

In VR medical care an example of VR is that
it helps people with their phobia by doing exposure therapy and simulate various
stimuli related to their phobia. You can have sessions with the patient and
teach them how to control responses to overcome their situations. Another example
would be 3D models of a skeleton that teaches you about the bones.

Virtual Reality and Augmented Reality are becoming a big part of the growing
market, a good example of this is Pokémon Go with their AR way of interaction.
It was aimed at people around the world
and it became a big success.

The difference between VR and AR is that
when in VR the user feels like he is moved to a whole virtual environment when using AR the user doesn’t move
and he stays in his environment and can see virtual items and objects in the
real world that can be interacted with.

With
VR the user has his eyes covered using an HMD so that he can visualize a
different world that makes the user feel immersed in it, but you must be
cautious about crashing or bumping into objects in the real world. In AR you will
see simulated objects in the real world. In other AR apps, you can see the
inside of your house as a place to scan so that you can place some virtual
objects like tv screens, furniture’s for measuring and fitting. Most of the AR applications
can be experienced and seen by making use of the phone’s camera, you use the camera
to scan a QR code that could be on a piece of paper and this will display the virtual
object.

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