From the category archives:

Aim points

The Technology Tree

December 18, 2008

When I look around my office, almost everything I see is either a person, a plant, or the product of machines. If you’re facing a computer screen, very likely your surroundings are similar.

The Forge of Vulcan(detail)

Diego Velázquez

But where did these productive machines come from? With varying degrees of human help, they were themselves made by [...]

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3D imaging of biological nanostructures

December 15, 2008

Deep-etch image of cytoskeleton, with origami inset (upper left)

“Three-dimensional reconstruction of the membrane skeleton at the plasma membrane interface by electron tomography” N Morone et al. JCB, 174:6, 851–862 (2006).

(Inset) “Folding DNA to create nanoscale shapes and patterns”
PWK Rothemund,Nature, 440:297–302 (2006). [pdf]

In an earlier post I mentioned that researchers have been hampered by difficulties with [...]

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