Virtual reality is technology which simulates a user's presence in a virtual world. Revolutionary new technologies in this field are being developed one after another, with one such advancement being the commercialization of head-mounted displays. Wearing such a headset instantly takes the user to a different place where they can see 360 degrees all around them. One can visit foreign countries, walk around imaginary buildings, and become immersed in a virtual world all from the comfort of home. We'll look at the latest in virtual reality technology in this episode.