There are serious unknowns in how those phenomena were achieved in nature. Trying to achieve them artificially without ever discovering those unknowns was perhaps worth trying. But it should be no surprise that it has failed.

The great advantage of experiments is that they stop you being stuck; they’re one way to prototype a future we think we want. You could say that experiments are how we learn everything. We try to stand up, fall over, recalibrate and next time find we can teeter for a second or two. Keep at it and mastery emerges. Misbehave and feedback provides