At 33, with nearly 115,000 Instagram followers, he is the most talked-about Castro in Cuba today and one of the most potent ...

Art, architecture and design news. Criticism and reviews from co-chief art critics Roberta Smith and Holland Cotter and architecture critic Michael Kimmelman.

The safety factor profile is a key property in determining the stability of tokamak plasmas. To design the safety factor profile in the United Kingdom’s proposed Spherical Tokamak for Energy ...