Abstract: A miniature robotic blimp, as one type of lighter-than-air aerial vehicle, has attracted increasing attention in the science and engineering field for its long flight duration and safe ...

Abstract: Dynamic soaring is a technique employed by some kinds of birds to extract energy by intelligently flying in shear wind. The combination of trajectory optimization and path following is ...

While it was shaping up to be a shaky day for the stock market, over in the world of silver the news was a lot shinier.

Silver has shifted from sleepy bystander to market protagonist, with prices punching through historic levels and trading like a high‑beta version of gold. The move is not a single-theme story, but the ...