Challenges were raised regarding the feasibility of applications envisioned by advocates of molecular nanotechnology, which culminated in a public debate between Drexler and Smalley in 2001 and 2003.
Os desafíos xurdiron da factibilidade das aplicacións imaxinadas polos proponentes da nanotecnoloxía molecular, que culminou nun debate público entre Drexler e Smalley nos anos 2001 e 2003.