Cantor proved the remarkable result that there are infinitely many infinities, all of different sizes.
Visualization of the Divergence and Curl of a vector field.
In April 2013, a lecturer at the University of New Hampshire submitted a paper to the Annals of Mathematics. Within weeks word spread– a little-known mathematician, with no permanent job, working in complete isolation had made an important breakthrough towards solving the Twin Prime Conjecture.
A beautiful presentation given by Penrose on Twistor theory in Institute Henri Poincaré, Paris. Workshop
This is great for science revision, particularly if you are studying with AQA, Edexcel or OCR. The site has a section dedicated to each of these exam boards, so you can find the resources that cover the topics you are studying. The site can still be useful if you are sitting your exams with a…Details