One of Heinlein's juvenile novels (Have Spacesuit, Will Travel?) describes TFA's concept of accelerating at 1g until the halfway mark, then doing a "skew flip m

One of Heinlein's juvenile novels (Have Spacesuit, Will Travel?) describes TFA's concept of accelerating at 1g until the halfway mark, then doing a "skew flip maneuver" (I think that was the phrase Heinlein used) to decelerate at 1g. [0] [0] https://en-academic.com/dic.nsf/enwiki/2241027 https://en-academic.com/dic.nsf/enwiki/2241027