In this post, we will have a look at the concept of using a nuclear photon rocket for interstellar travel. They are an old concept that should theoretically be the ultimate form of relativistic propulsion.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjJ_TqdwVhZi43mcyZIWyyIVnt9BCr2CXmak33l4yV2U6yxf4NR6mpsZda1nA8hzon9VBxhhP2a9wx8fKOBffoZE_kA25O_lJ_GPEYB-nG5SwpxYeGhaMAZLzSkX3Dsd0y1UBreojIYl4wu/w640-h348/hardy.png)
However, today they are unknown or unpopular. Why might that be the case?