Here's a really wonderful talk by Spencer Lisenby about the basic physics and Lisenby's work on pushing the speed https://www.youtube.com/watch?v=nv7-YM4wno8 ht

Here's a really wonderful talk by Spencer Lisenby about the basic physics and Lisenby's work on pushing the speed https://www.youtube.com/watch?v=nv7-YM4wno8 https://www.youtube.com/watch?v=nv7-YM4wno8 Some other interesting HN comments: https://news.ycombinator.com/item?id=32739679 https://news.ycombinator.com/item?id=32739679 https://news.ycombinator.com/item?id=38653688 https://news.ycombinator.com/item?id=38653688