Apple teamed up with the U.S. government to build a modified iPod that might have been a stealth Geiger counter for detecting and measuring ionizing radiation, claims former Apple software engineer David Shayer.
In an article for TidBits, Shayer — who left Apple in 2015 — described the secret project as a “special assignment” only known to about four people at Apple. It was his job to assist two engineers working for a U.S. defense contractor to the Department of Energy.