Mind you, I tried a search for 'effect of daylight on unpainted timber' a topic on which I know BRE has done work -- and drew a blank.
Mind you nobody looking at its architecture would mistake it for the real thing.
Mind you, for another five grand you could buy a Segway (www.segway.com) which has a similar two wheel configuration but, unlike the Cye, has big proper rubber wheels and is kept upright by gyroscope magic and will take you and your attache case down the long office corridor and off home along the pavement at a respectable 14 mph.