Which of these inventions was NOT developed at Bell Labs?
Laser
Photovoltaic Cell
Charge-Coupled Device
Fiber Optics
Answer
Fiber optics were not developed at Bell Labs. While Bell Labs has been responsible for many groundbreaking inventions, such as the laser, photovoltaic cell, and charge-coupled device (CCD), fiber optics were developed by other researchers.
Cracking the Code: The Ultimate Bell Labs Trivia Challenge!