[Psionic Powers] If Tesla were a Psionic

[Engurrand]

Originally Posted by jeff_wilson

Telepathy allows scientists to communicate their findings and ideas directly mind-to-mind and verify their colleagues truly understand what they've communicated. It would also allow educating students better and faster to swell their ranks as well as screen them for loyalty, aptitude, and motivation to keep the ranks productive and secure....
... it's much easier to build a vacuum chamber without view ports or power mains or probes to manipulate the spherical chicken under study....

This and your examples are thorough in the case of fairly common and reliable psi. For the purpose of the exercise let's assume the gameworld features no more psi then is claimed in real life - that is to say rare, difficult to master, secret, and mysterious OR extremely unreliable.