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#propulsion

4 posts4 participants0 posts today

Portal raises $17.5M for spacecraft powered by sun’s heat
Bothell, Wash.-based Portal Space Systems says it has raised $17.5 million in seed funding to accelerate the development of its Supernova space vehicle, which aims to harness the heat of the sun to power rapid-response maneuvers in orbit.

The oversubscribed inves
cosmiclog.com/2025/04/03/porta
#GeekWire #Uncategorized #PortalSpaceSystems #Propulsion #SolarPower #Space

Illustration: Portal Space Systems' Supernova space vehicle in orbit
Cosmic Log · Portal raises $17.5M for spacecraft powered by sun’s heatBothell, Wash.-based Portal Space Systems says it has raised $17.5 million in seed funding to accelerate the development of its Supernova space vehicle, which aims to harness the heat of the sun to…

Portal provides a sneak peek at solar propulsion system
BOTHELL, Wash. — From the outside, Portal Space Systems’ headquarters looks like a standard-issue office space in a Bothell business park. But inside, the Portal team is working to harness the heat of the sun, to speed up how spacecraft get around.

“Think about it as finally bringing what you
cosmiclog.com/2025/03/17/porta
#GeekWire #PortalSpaceSystems #Propulsion #Space

Ribbon-cutting ceremony at Portal Space Systems
Cosmic Log · Portal provides a sneak peek at solar propulsion systemBOTHELL, Wash. — From the outside, Portal Space Systems’ headquarters looks like a standard-issue office space in a Bothell business park. But inside, the Portal team is working to harness the heat…

The biggest weed raft I've ever seen. Last week, photos of it were circulating in a group chat for boaters. I had to nudge through very slowly.

Too fast and it gets stuck under your boat. As it is, they lay across the bow and cause substantial drag.

Once through this mess, a short way past, I stopped, backed up a smidge to dislodge anything on the bow, and then carried on without it.

→ The world's largest wind-powered #cargo #ship just made its first delivery across the #Atlantic
fastcompany.com/91185144/the-w

“"We know the #wind is abundant, and we’ve known it for centuries," says Guillaume Le Grand, the startup’s cofounder and president. Now, he says, "the meterological models, the satellite communications, and the routing intelligence that we can put behind it make wind a reliable source of #propulsion."”

Fast Company · The world's largest wind-powered cargo ship just made its first delivery across the AtlanticA French startup is bringing sails back to the shipping industry.