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Right now I’m attending an intensive oneweek workshop to prepare for teaching an online course for the Global Online Academy this coming fall. The workshop, and teaching the course, are sure to be educational for me as a teacher. But … Continue reading
I just made a short series under the “cool numbers” heading, about why 15 and 290 are cool. It gives a quick introduction to the idea of universal quadratic forms, and work of Conway, Bhargava, and others. When I’m not … Continue reading
Just a short post to note a way in which you can watch mathematical progress as it happens. Last month, Yitang Zhang announced a proof of a result that says that there are an infinite number of prime pairs no … Continue reading
I’ve had fun the last week preparing for an upcoming talk to the senior citizen group OASIS. This time around I’m talking about Fourier series, or more picturesquely, how our lives are influenced greatly by the technique of thinking about … Continue reading
I’ve found it enjoyable recently to track what was happening in mathematics (and physics) 100 (and 50,150,200…) years ago, in the spirit of Scientific American‘s venerable “50, 100, and 150 years ago” column. I got into it last summer when … Continue reading
This is a fun little tidbit that may not ever be worth a video, since it’s rather silly. To start with, let me be clear that I’m not saying that any of these three numbers are prime in the usual … Continue reading