A spacecraft attitude kinematics model, attitude measurement model, and filter algorithm are three important parts in spacecraft attitude determination, and a high-precision filtering algorithm is the ...

In February, the Australian Competition and Consumer Commission announced a government probe into Facebook and Google. Among the issues to be investigated? A potential “consumer protection concern” ...

We are all immersed in an incomprehensible abundance of available information, and we can only read or watch or consume some meaningless fraction of it. What we see, and what we don’t see, is heavily ...