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PhysicsTo pack a strand tight, make it a helix
The optimal way to pack long strings into small spaces is to coil them into helices—particularly the types of helices found in proteins and perhaps DNA.
By Peter Weiss -
ComputingTight packaging for digitized surfaces
A novel digital compression scheme may make it practical to transmit detailed models of three-dimensional surfaces over the Internet.
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ComputingComputer grid cracks problem
A large network of powerful computers solved a 32-year-old optimization challenge known as the "nug30" quadratic assignment problem.
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ComputingStrength and weakness in diversity
Although the Internet's redundancy and diversity help it survive local node malfunctions despite its vast size and complexity, it is vulnerable to attacks aimed specifically at the most highly connected nodes.