Radiation Lab
From Twilight Heroes Wiki
If you enter the Radiation Lab with the maximum amount of PP:
As you enter the lab, the radiologist on duty explains that Susan Novak has left some notes with them, explaining how measured doses of the right kind of modulated radiation would likely prove re-energizing for someone with your types of powers. Sure, the same dose would be dangerous or deadly for a normal human, but that's nothing for you to worry about.
You tell the radiologist you're feeling fully energized at the moment anyway, and duck back out.
If you enter the sickbay with less than the maximum number of PP, then you will get the following message: