David Wood
21.8K posts

David Wood
@dw2
Chair, London Futurists. Executive Director of LEV Foundation. Author or Lead Editor of 12 books about the future. PDA/smartphone pioneer. Symbian co-founder


AI has now solved a major open problem -- one of the best known Erdos problems called the unit distance problem, one of Erdos's favourite questions and one that many mathematicians had tried. openai.com/index/model-di…

If you are a mathematician, then you may want to make sure you are sitting down before reading further.

nice math problem i came up with last december... Consider a cube of side length 2, aligned with the coordinate axes. Place three cylinders inside it, each of height 2 and radius R, each aligned with some coordinate axis. The cylinders may not intersect. What is the maximal R?






1/n: I could be wrong, of course, but my take about this hantavirus outbreak is less about the actual outbreak and more about what it means in the context of the last two decades and moving forward. Let me explain...







At the invitation of President Xi Jinping, President of the United States of America Donald J. Trump will pay a state visit to China from May 13 to 15.





