Can I confess that after about 20 minutes of Interstellar, I stood up and left the movie theater? I was initially annoyed by the fact the movie makers ignored the tyranny of the rocket equation: a reasonably normal looking rocket took our heroes to some faraway planets. Guys, you need an absolutely huge rocket to just go to Mars. We'll never make it out of the Solar system with chemical rockets only. But somehow, in a world with rusty trucks you get a rocket to take you to some planet that obviously is not one of the seven planets in our neighborhood. Now, you can suspend your disbelief, and accept that in this movie-universe the humankind was more advanced. But then they reach the ocean planet, and instead of getting whatever information they came for via radio transmission, they need to land to pick up a robot. And they couldn't just retrieve a memory stick from the robot, they needed to take the whole thing with them. That's how much I saw from the movie before I decided enough is enough.