VR HMDs shedding wires and getting more resolution

Effort put into freedom from tether and screen door Once again CES saw a lot of VR announcements combined with what is being referred to as mixed reality, a term that seems to have become established without definition. On the resolution front there were HMDs claiming 4K and even 8K. That is, again, subject to definition. Pimax claims 8K resolution. In fact, their claim of 8K resolution and a wide field of view helped propel their Kickstarter campaign to success; $4.2 million of success.  Pimax 4K VR HMD with controller (Pimax) Pimax says their 8K X headset, which has integrated