One of the applications that is being considered for spacecraft is tourism and transportation. Last week, the U.N.
I have discussed a number of actual and theoretical engines to be used for spacecraft in this blog. There is a category of space drives that I have not discussed because they are wild speculation about designs that in some way defy well known physical laws which makes their construction and use highly improbable to say the least.
Last week, I blogged about using lasers and space sails for the propulsion of spacecraft. This week, I am going to talk about using nuclear fission for space propulsion.
Crowd funding is a new approach to raising funds for projects.