The form letter included a canned answer stating that what I asked was against policy.

[…]there dwelt in a city of the cities of China a man which was a tailor, withal a pauper, and he had one son, Alaeddin hight.

[…] Ay, there is a mystery; but, to use a Scriptural phrase, it is 'a mystery of iniquity,' a matter for psychologic theologians to discuss. But what has a military court to do with it? […]

The researchers say that there are many hurdles to overcome in using such a device inside the body, but that the work represents a step toward the development of biocompatible, minimally invasive, autonomous microtools.