In this episode of The Hardware Podcast, Lucas and Luna explore the hidden abstraction layer that makes modern chip design possible at mind-boggling complexity: register-transfer level, or RTL. They explain how hardware description languages like Verilog and VHDL let engineers describe chip behavior in code, then automatically synthesize that code into gates and wires. The conversation drills into the specific challenge of verifying an RTL design before it goes to fabrication, using a concrete example of a 5-stage pipelined processor. Lucas and Luna discuss how simulation, formal verification, and emulation catch bugs, and why a single logic error in RTL can cost tens of millions of dollars to fix. They also touch on how AI is beginning to assist with RTL optimization. This is a deep but accessible look at the fundamental technique that turns an engineer's idea into a physical chip.