Image

Black hole toilet / Needling the patient / Gangue in goaf / Plank on wood

This week’s Feedback column (that I write) in New Scientist magazine has three segments. Here are bits of each of them: Black hole bum— Roger Sharp adds another item to Feedback’s compendium of black holes that are findable on surface maps of our own planet (7 October). Visitors to the Maitai Esplanade Reserve in Nelson, New Zealand, may find relief […]

Image

Nit-Picking Confidence, Algorithmically in Parallel

For people who like to find faults, good  news appeared in 1989, in this study: “Locating Faults in a Constant Number of Parallel Testing Rounds,” Richard Beigel, S. Rao Kosaraju [pictured here], and  Gregory F. Sullivan, Proceedings of the First Annual ACM Symposium on Parallel Algorithms and Architectures, March 1989, pp. 189–198. The authors, at […]

Improbable Research