Nanomedicine

- K. Eric Drexler, "Engines of Creation".

Nanotechnology: The coming ability to build materials and products with atomic precision.

All manufactured products and living creatures are built from atoms. The properties of these products depend on how those atoms are arranged. If we rearrange the atoms in coal we can make diamond. If we rearrange the atoms in sand (and add a few other trace elements) we can make computer chips. If we rearrange the atoms in dirt, water and air we can make potatoes.

Throughout history, humans have always created things by moving vast quantities of molecules around. Even in our most precise fabrications, our manipulation of molecules has been in bulk, carving or moulding or shaving away trillions of atoms at a time.

Ralph Merkle from Xerox PARC provides an interesting analogy: “Its like trying to make things out of LEGO blocks with boxing gloves on your hands. Yes, you can push the LEGO blocks into great heaps and pile them up, but you can't really snap t

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