What we know so far:

• 16 Cameras
• Uses image computation to render 360 VR & 3D VR Scene, AKA Lightfield
• Image computation may be too power hungry to run on a single computer- (maybe Google Compute?)
• Youtube is now 360VR Aware- use python script to activate- with equirectangular video (4k looks like max)
• GoPros have an extended battery (possibly the orange thing in the photo)
• GoPros are also synced
• Google experimenting with best material for UFO. Plastic - Metal - Wood - Unobtainium, final design will be available online
• Looks like there may be a fisheye element on front of each camera, (otherwise how is the top & bottom captured)