I’ve been following the VASIMR plasma rocket engine for months. The technology is getting traction with Obama’s decision to reset NASA priorities. We’ll know more in April after the White House releases more details, but for now I’ll just repost the videos. Here’s the VASIMR being test-fired in the lab:
Here’s a concept video showing the new slingshot-launch that can cut transit time to 40 days (the video shows it taking longer, but details on the six-week transit time are here).
Here’s a concept video showing how the same technology can speed us to the outer solar system:


