It's one of the most important pieces of forensic evidence following a plane crash: The so-called “black box." There are ...

“In the post-World War II field of electronic circuitry, black box became the ubiquitous term for a self-contained electronic device whose input and output were more defining than its internal ...

“In the post-World War II field of electronic circuitry, black box became the ubiquitous term for a self-contained electronic device whose input and output were more defining than its internal ...