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 ...

Madison, Wisconsin based Orbital Technologies Corporation (ORBITECTM) has successfully flight-tested its new rocket engine and technologies in Mojave, CA. ORBITEC integrated its Vortex Liquid Rocket ...

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 ...

Four of Arkadia's Ariel thrusters. Credit: Arkadia Dassault Aviation’s Vortex spaceplane demonstrator will use Arkadia Space-made thrusters for in-orbit maneuvering, the supplier said. Arkada said ...

This is [Lee von Kraus’] new experimental propulsion system for an underwater ROV. He developed the concept when considering how one might adapt the Bristlebot, which uses vibration to shimmy across a ...

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 ...