= Theory of everything
{tag=Unsolved physics problem}
{title2=TOE}
{wiki}
As of 2019, the <Standard Model> and <general relativity> are incompatible. Once those are unified, we will have one equation to describe the entirety of <physics>.
There are also however also unsolved problems in <electroweak interaction> + <strong interaction>, which if achieved is referred to as a <Grand Unified Theory>. Reaching a GUT is considered a sensible intermediate step before TOE.
The current state of Physics has been the result of several previous unifications as shown at: https://en.wikipedia.org/wiki/Theory_of_everything#Conventional_sequence_of_theories so it is expected that this last missing unification is likely to happen one day, potentially conditional on humanity having enough energy to observe new phenomena.
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