Until the 1990s, there were few reliable observations about movement at the scale of the entire universe, which is the only scale dark energy effects. So dark energy could not be seen until we could measure things very, very far away.
There's cleanliness to how I eat now. I'm much more in tune with my body, so now that I'm so in tune based on having become a semivegan, I can tell what foods affect energy levels. I can tell when I've been eating particularly high nutrient foods or I can tell when my glycemic levels are all over the place.
Concerning matter, we have been all wrong. What we have called matter is energy, whose vibration has been so lowered as to be perceptible to the senses. There is no matter.
I am a particle physicist, which is the nearest branch to nuclear physics. So in that sense I was the sort of right connection with the subject of nuclear energy and so on.