In philosophy, It’s a core concept called solipsism.
The encouraged answer to it is don’t think about it and best to move on, even within philosophy, because asking the questions that actually matter about the nature of the mind and existence, are a terrible drain on productivity and GDP, and those are most certainly real and totes important things that must exist 🤣
It’s only about energy storage and will. We’ve had clean, safe nuclear designs for over half a century, it is purely greed that has deluded even many of those that claim to defend the environment that keeps us on the path to self annihilation.
Reminder that Chernobyl was doomed from the outset because it was made to serve two masters: power AND weapons grade enrichment.
Technology hasn’t been the bottleneck, greed has. I will never forget or forgive my species for priorities like these:
Made solely to keep us addicted to the worst forms of power generation.