Equations
milhayser | January 24, 2012What's better than an answer to a question? More questions, perhaps? ScienceBloggers have been very quizzical the last few days, beginning with Jason Rosenhouse on EvolutionBlog. After co-authoring Taking Sudoku Seriously with Laura Taalman, Rosenhouse wondered if 17 is really the minimum number of clues needed to solve a Sudoku puzzle. Although no one has ever generated a workable 16-clue puzzle, proof has been out of reach—until now?
On Starts With a Bang, Ethan Siegel considers the possibilities when a supernova remnant has nothing to show at its center. It could be the result of two…