The author reflects on their career as a mostly embedded developer, noting their love for Common Lisp in a field dominated by C and Rust. They share their experience working on an innovative project in Norway focused on improving evacuation systems in tunnels prone to fires. Their system, Evacsound, uses directional sound signals to guide trapped individuals to safety. Despite technical challenges, such as high background noise and language barriers, the project successfully installed the system in several tunnels. The team relied on Common Lisp and detailed their software development process, showcasing the unique blend of technology and creativity in helping people escape dangerous situations.
https://blog.funcall.org//lisp%20psychoacoustics/2024/05/01/worlds-loudest-lisp-program/