"Of course Drexler didn't have the physics to figure out what a real nanobot might look like, nobody did, and nobody does." Well then I fail to see how anyone

"Of course Drexler didn't have the physics to figure out what a real nanobot might look like, nobody did, and nobody does." Well then I fail to see how anyone can justify calling this a technology then, when there ain't even any physics to describe it.