Nanotechnology, For Better or For Worse

When K. Eric Drexler popularized the word 'nanotechnology' in the 1980s, he was describing what we now call molecular manufacturing: building machines on the scale of molecules, a few nanometers wide — motors, robot arms, and even whole computers — far smaller than a cell. Drexler spent the next ten years describing and analyzing these projected advances, and responding to accusations ...

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Nanobots in the Bloodstream

Dive, dive, Captain! Aortic valve closing ahead, take the second right past the left ventricle and head for the pulmonary artery. Set course for the left lung and acquire target Squamous Cell Lung Carcinoma. Seek and destroy!

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The Progressive Ingression of Intelligence into Matter

If I were to draw a chart, I’d map out the minimum number of atoms a human being can manipulate at one time through time. We’d start out with stone and flint and obsidian tools – that’s maybe a billion billion billion atoms at a pop.

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