The main drawback I see is the room that those "legs" take up. You couldn't put it near a wall, although it might eliminate the need for other chairs, like a recliner. The legs could be a hazard to pets and small children. In my living space, the only way this would fit behind my desk would be to eliminate the bed. It would have to be awfully comfy to do that!
This stuff fetches a pretty penny on eBay, too! Antique collectors sometimes carry a small blacklight to check for authenticity when looking for uranium glass. I think I'll stick to cobalt and depression glass myself.
This is the manufacturer's site. For most products, you can find a link to a retailer, but not for the Gravity Chair. I wonder if maybe its very new, and they don't have outlets yet. Stokke is mainly a manufacturer of children's products.
I'm familiar with the Rosalind Franklin story. Another sad part is that it was most likely her research with x-rays that led to her ovarian cancer. They didn't wear lead shields in those days.
I believe the only reason the composite is a male with female overtones is that the comedians they used were majority male with some females, nothing to do with comedy. However, this face does look altogether open and inviting to humor.
Now me, I looked at this and thought of Maurice Sendak's 'Where the Wild Things Are"!