Published at LXer:
Bruce Allen is perhaps the world's best do-it-yourselfer. When he needed a supercomputer to crunch the results of gravitational-wave research, he built one with his colleagues at the University of Wisconsin-Milwaukee. That was in 1998, and since then he's built three more supercomputers, all in pursuit of actually observing gravitational waves, which theoretically emanate from black holes orbiting each other and from exploding stars but have never been directly observed.
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