Gravity as a Field
We have seen how all matter and forces are build up from waves. These waves use the vacuum as medium to wave in. However, we did not say anything about gravity yet. Einstein’s general theory of relativity explains gravity from a geometrical perspective. At first sight you would say that this is completely different from what we have been discussing so far. The fact that physicists have tried to combine quantum field theory (QFT) with general relativity (GRT), but did not manage yet is often perceived as that they are completely at the other side of town. If that is your impression as well, you are in for a treat.