Two-dimensional materials are substances with a thickness of a few nanometres or less. Electrons in these materials are free to move in the two-dimensional plane, but their restricted motion in the ...

A prism is a 3D shape which has a constant cross section - both ends of the solid are the same shape and anywhere you cut parallel to these ends will give you the same shape. For example, in the prism ...

I welcome you to the fourth issue of the IEEE Communications Surveys and Tutorials in 2021. This issue includes 23 papers covering different aspects of communication networks. In particular, these ...

I ditched eight hours sleep a night – I’m less tired and hungryStory by Alice Porter • 2d 1 / 8 ©The i Paper ...

Who is New York City’s new ‘First Lady’ Rama Duwaji?Story by Gergana Krasteva • 2d 1 / 7 ©Metro ...

Pymunk is a easy-to-use pythonic 2d physics library that can be used whenever you need 2d rigid body physics from Python ...