The Mach Effect Post author:Ed Kulis Post published:December 25, 2019 Post category:Orbital Mechanics / Uncategorized / Videos Post comments:0 Comments Watch this video describing propellant less propulsion. You Might Also Like Blog link created November 16, 2019 NSS India World Space Week In Progress! October 3, 2020 They’re Made Out of Meat February 29, 2020 Leave a Reply Cancel replyCommentEnter your name or username to comment Enter your email address to comment Enter your website URL (optional) Save my name, email, and website in this browser for the next time I comment.