Alison Gibbings and Massimiliano Vasile, aerospace engineers at the University of Strathclyde, UK, new solution is a 500-kilogram swarm of fingernail-sized spacecraft would, they calculate, deflect a ...

Using a downhole motor with bent housing most effectively requires determination of its deflecting performance and designing the bottom hole assembly according to the expected deflection rate.

Among existential threats to humanity, asteroid impacts rank high — in part because they’ve caused extinction-level events on Earth so many times before. Indeed, the dinosaurs perished 66 million ...

Estimation of quality of expert judgements and their suitability for reliable evaluation of decision alternatives is one of key issues for successful decision-making. The notions of strong and weak ...