Abstract: This paper investigates the surge velocity control of an autonomous surface vehicle (ASV) in the context of a specific performance index subject to partially unknown model nonlinearities. An ...

Further research could determine the depth of these voids and confirm that they really do indicate a hidden entrance.

Deep within the Great Pyramid of Giza, a tantalizing discovery has been identified that could rewrite the history of the ...

New research sheds light on a cross-shaped pit found at Aguada Fénix, a monumental complex discovered several years ago ...