In a paper published in National Science Review, researchers report on the discovery of a novel octupole topological ...

They will transform this two-dimensional star field ... projector to increase the 3-D effect of the demonstration. Gather students in the back of the classroom and explain that this arrangement ...

The idea, later refined by the Swedish mathematician Oskar Klein, was that space consisted of both extended and curled-up dimensions. The extended dimensions are the three spatial dimensions that ...