iCandy September 2010: A Vehicle You Don't Need to Fill Up or Steer

This month's iCandy includes an autonomous solar-powered truck, a 3-D TV, and a device that might reveal the secret identity of dark matter

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Image: Yifan Hu/AT&T Labs Visualization Group
You’re looking at the solution to a computational fluid dynamics problem. The image demonstrates the importance of something called a sparse matrix, a list of numbers that contains far more zeros than nonzero values. This sparsity allows for a type of data compression that lets engineers working on a simulation store the data without taking up too big a chunk of memory.

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