It is not clear that intelligence has any long-term survival value.
The past, like the future, is indefinite and exists only as a spectrum of possibilities.
Using e-mail, I can communicate with scientists all over the world.
But a machine that was powerful enough to accelerate particles to the grand unification energy would have to be as big as the Solar System - and would be unlikely to be funded in the present economic climate.
Time travel may be possible, but it is not practical.
Although quantum mechanics has been around for nearly 70 years, it is still not generally understood or appreciated, even by those that use it to do calculations.