In Q1, 2017, Sulzer achieved an order intake of Sfr757.6m compared with Sfr684.6m in the same period of the previous year. Adjusted for currency effects, the growth rate was 11.1%, while orders grew ...

THE description by Van Wyk and Kühn 1 of their corona motor reminded me that a number of years ago I made an electrostatic motor, in basic concept not unlike their motor, but fitted with metal ...

Discovering a machine that could somehow produce thrust without releasing propellant would be a game-changer for human space travel. There’s just one problem—such a device would defy the laws of ...