Below is a list that covers everything from currently available software to academic research and emerging uses. It isn't even remotely complete.
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VR for physio therapy
Phantom Limb Pain Recovery
http://www.cbc.ca/radio/quirks/phantom-pain-virtual-reality-drug-resistant-bacteria-1.3885033/mysterious-phantom-pain-cured-by-virtual-reality-limb-1.3885374
Physical Therapy VR Research
http://www.northeastern.edu/regamevrlab/
If you've ever immersed yourself in VR you quickly become aware of how elsewhere you feel. I've felt vertigo while standing on a cliff in Google Earth. As a tool for balance and movement it has obvious immediate applications.
A Home-made VR Motion Sensor and Data Collection Tool
VR and Autism
http://www.floreotech.com/Founded by two dads of kids with autism, Floreo explores VR as a therapy. I like their approach: autism isn't seen as a defect but a difference that we can support with therapies designed to allow these different thinking kids to survive and thrive with everyone else.
Austism Speaks on Virtual Reality
https://www.autismspeaks.org/science/science-news/virtual-reality-training-improves-social
Autism Speaks is a science focused advocacy group that is encouraging a seed change in how society views the spectrum of atypical autism related thinking.
In this article they are funding research into a VR based social cognition training in order for autistic people to function more effectively with others. The complexities of autism means they need to proceed carefully with data collection. VR's unique sense of immersion means they can simulate social situations (and the anxiety that arises from them) more accurately and produce responses that reflect it. The data collected from this specifically targeted research is vital to creating tools to help people with autism practice social skills more effectively.
Having kids who are already comfortable with VR means that when this therapy is ready they won't have to get familiar with the technology before they benefit from the therapeutic value of the program.
Sensitivity Training for Neurotypicals
http://www.autism.org.uk/VR
We're currently using a 360 camera to create a VR based tour of our school. In it students get to move around the building looking where they want in order to begin to get a sense of where everything is. Editing 4k 360° video is a challenge - I have to use the best VR PC we have to do it (when it isn't running VR), but we'll get there.
In the meantime, I came across this immersive video made by the UK's National Autistic Society. Designed in collaboration with autistic people, it gives you some idea of how overwhelming the world can be when an autistic child has a panic attack. It's overwhelming watching it on the screen. Watching it in VR I was in tears...
Using VR to Teach Autistic Teens How to Drive
https://news.vanderbilt.edu/2016/07/21/using-virtual-reality-to-help-teenagers-with-autism-learn-how-to-drive/
Another ready-now application for VR is in vehicle operation. High performance operators such as racers use it to learn tracks. Heavy equipment operators are using it to train people on expensive industrial machines before they ever get into the cab for the first time. Pilots have to log flight time in a simulator as part of becoming qualified on a new plane. As a way to get people familiar with a complex machine it's cheap and effective.
In this case VR is being used to ease the anxiety of learning to drive in teens with autism. Every high school in our board has driving instruction starting in their parking lots. They should all be adopting this first step in order to ease anxiety before putting any kid behind the wheel for the first time.
General education links
The Virtual Reality Society
http://www.vrs.org.uk/virtual-reality-education/
Based out of the UK, this group offers a great resource site to get your feet wet in VR. They are also very interested in how VR can be used in teaching and learning and a lot of their links will take you emerging uses of this technology.
That Tim King Guy
http://temkblog.blogspot.ca/2016/11/vr-visualizing-data-and-realizing.html
There's this guy in Canada who jumped into this early and has his students building VR kits for other schools. He's out and about often demonstrating the technology in his school, his board and his province to anyone who will listen. He and his students have put hundreds of people through their first experience with VR.
VR and Mathematics
http://eric.ed.gov/?id=EJ456186
Experiential algebra in VR. The benefits of visualizing mathematics in 3d are obvious. This is one of many academic papers on the subject.
http://link.springer.com/article/10.1023/A:1012049406877
Geometry is another obvious use for 3d data visualization. This is another academic paper on using VR in teaching geometry.
VR and Chemistry
https://devpost.com/software/chemistry-lab-vr
Chemistry is one of those hands on teaching environments that have a lot of safety oversight. Using VR to familiarize students with the safety needs of the lab could drastically reduce damage costs. The safety training applications school-wide in technology and science are obvious.
https://www.wearvr.com/apps/chemistry-experiment-vr
Drop into a chemistry lab and explore.
http://cen.acs.org/articles/94/i17/Re-virtual-reality-chemistry.html
Data visualization is a huge part of VR. Chemistry researchers are already envisioning how it could be used to better understand advanced chemical interactions.
http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.556.6123&rep=rep1&type=pdf
An academic paper on how immersive simulation can advance the learning of chemistry.
Foundry10 Virtual Reality Research
Foundry10 has been a fantastic resource in our exploration of virtual reality. They are a Seattle based research group focused on how VR might be used in education.
NOTES
VR as a tool for pain management