Spacex Future Missions, Falcon 9 with Upgraded Engines and Spacex Heavy

April 7, 2017May 29, 2012 by Brian Wang

SpaceFlight Now – SpaceX has been successful in amassing a backlog of about 40 launches worth about $4 billion. The flights are for a mix of commercial and government customers, and the manifest is dominated by launches for NASA and Iridium, a mobile communications satellite operator. Spacex has made modifications to the launch pad at …

Nanofibrous hollow microspheres self-assembled from star-shaped polymers as injectable cell carriers for knee repair

April 7, 2017April 19, 2011 by Brian Wang

For the first time, scientists have made star-shaped, biodegradable polymers that can self-assemble into hollow, nanofiber spheres, and when the spheres are injected with cells into wounds, these spheres biodegrade, but the cells live on to form new tissue. Nature Materials – To repair complexly shaped tissue defects, an injectable cell carrier is desirable to …