Portal Space Systems opens its doors for a sneak preview of solar propulsion system VIPs cut the ribbon at Portal Space Systems’ HQ in Bothell, Wash. From left: U.S. Rep. Suzan DelBene; Portal co-founders Prashaanth Ravindran, Jeff Thornburg and Ian Vorbach; and Bothell Mayor Mason...

Portal Space Systems opens its doors for a sneak preview of solar propulsion system #Technology #EmergingTechnologies #SpaceTech #SolarPropulsion #PortalSpaceSystems