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 ...

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 ...

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 ...

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 ...

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 ...