It's possible that, with enough power, we could even send a crew-carrying spacecraft to span the interstellar distances. Sure, we'd have to build a tremendous laser array: about 100 square kilometers' worth of lasers, and we'd have to do it in space, but that's a problem of cost, not science or technology.

Is the movie interstellar possible?

To make "Interstellar" scientifically accurate, Nolan hired physicist Kip Thorne to render the most realistic depiction of a black hole possible. ... These discoveries revealed that, despite Nolan and Thorne's best efforts, Gargantua wasn't perfectly accurate.

Why is interstellar travel not possible?

If you want to visit another star system in any reasonable amount of time, you need to go fast. To go fast, you need a lot of energy. And that's what makes interstellar travel so dang hard. ... To make this work, the laser would have to use all the energy from every single nuclear reactor in the United States at once.