Dassault Aviation has started building parts for its Vortex spaceplane demonstrator with the aim of building momentum for a project it wants to see flying as early as 2028. Some of the components ...

Add Yahoo as a preferred source to see more of our stories on Google. A team of researchers discovered an extraordinary property of vortex rings—how dolphins propel themselves underwater—that science ...

LOUISVILLE, Colo.--(BUSINESS WIRE)--Sierra Space, a leading commercial space company and defense tech prime that is Building a Platform in Space to Benefit Life on Earth ®, announced today the ...

Air rings blown by dolphins swimming underwater and rings of smoke emitted by jet engines are just two examples of vortex rings. These doughnut-shaped structures and their mesmerizing movement have ...

The study of vortex ring dynamics centres on understanding the formation, evolution and decay of toroidal vortices generated by pulsed fluid jets. These phenomena are crucial in a wide range of ...

Example trajectory of CARL surfing a vortex ring for propulsion. In response to sensed acceleration, CARL autonomously executed a short burst maneuver to become entrained into the material boundary of ...

PARIS—The French Vortex spaceplane demonstrator program will aim to validate heat shield technology and different control capabilities once it takes flight in about three years. “We must invest in ...