Finnish start-up Varjo has developed a prototype virtual reality (VR) headset that its makers claim gives an image 50 times sharper than most other headsets currently on the market. When I tested ...

but only now are we seeing more interest in some form of wearable headset that can deliver XR and AR capabilities. At the high end, we have products like HTC's Vive Pro 2 and XR Elite, Varjo's VR ...