No, 8 km/s doesn't make sense. It's really hard to tell from the press release, but it sounds as if they're talking about a railgun kinda thing. Which has been

No, 8 km/s doesn't make sense. It's really hard to tell from the press release, but it sounds as if they're talking about a railgun kinda thing. Which has been discussed before, and it keeps not working out. The strains on the object are too great.