[Kholo]

This stuff has been studied for a long time and is still being studied - https://www.nasa.gov/topics/technology/features/ntrees.html

So I don't know what you are raving about.

[AnimalMuppet]

He's talking about public perception, not about NASA research.

[Kholo]

Public perception has nothing to do with it. The Russians and Chinese don't care about public perception. Why aren't all their rockets using nuclear propulsion? This is very expensive research. Nuclear propulsion is definitely going to be utilized it just isn't a budget priority right now.