As Firekeeper would say, one view is that the whole of science is one massive hallucination connected to the illusory world we live in. ;-)
I can see a lot of similarities with the teachings of the Course in Miracles to be honest. There is a link to the text online if anyone 's interested. I 'm not posting it here cause I 'm not sure if it breaks copyright law or not.
Blessings,
Whatever