I’ve been thinking a lot about the "Science vs. Spectacle" debate in Interstellar, and while the physics are fascinating, I’m actually more obsessed with the physicality of how they shot it.
Look at TARS. In an era where every robot is a clean CGI render, Nolan actually built a 200lb practical puppet. You can see Bill Irwin (the voice and operator) literally standing behind it in some of these BTS shots. To me, that explains why the interaction between the actors and the robots feels so grounded—they weren't talking to a tennis ball on a stick; they were talking to a massive hunk of metal.
Even the "Tesseract" library at the end wasn't just a green room; they built a massive, three-story physical set to give McConaughey something real to climb through.
I know some people find the "love is the fifth dimension" plot a bit much, but I stand by the idea that Nolan’s refusal to use "lazy CGI" It’s that commitment to the craft that keeps me coming back, regardless of whether the science "loops" perfectly for everyone.