Blue Origin typically keeps pretty tight-lipped about its projects. The private space-travel firm claims it prefers to talk about what is has done, rather than what it hopes to do. As such, We recently heard about its "Space Vehicle" (that's its actual name,) having completed wind-tunnel testing, and now the firm (partly funded by Amazon's Jeff Bezos) has revealed a little more. The craft in question is a seven-seater, and it took 180 rigorous tests to get to the final design. Blue Origin has been working with