You're still looking at hundreds of years or more for a nearby two-way trip.
It is far more practical to send out probes one-way (which is quite slow), and then build the infrastructure at the destination to receive transmitted mind-states.
The initial probes take a long time to reach their destinations, because they have to have means to deaccelerate. The faster you accelerate, the more mass you have to carry with you to deaccelerate.
Have a look at a few links. So first off, chemical propulsion is right out:
https://blogs.scientificamerican.com/life-unbounded/why-chem...
You really need something like anti-matter:
https://en.wikipedia.org/wiki/Interstellar_travel
You're still looking at hundreds of years or more for a nearby two-way trip.
It is far more practical to send out probes one-way (which is quite slow), and then build the infrastructure at the destination to receive transmitted mind-states.
The initial probes take a long time to reach their destinations, because they have to have means to deaccelerate. The faster you accelerate, the more mass you have to carry with you to deaccelerate.