When I used to work at Keithley I saw quite a few null meters or old electrometers with analog needles on them still being used. Pretty sure the guys using them weren't still keeping the calibration up to date for the last 40 years =)
Drones are, in essence, flying autonomous vehicles. Pros and cons surrounding drones today might well foreshadow the debate over the development of self-driving cars. In the context of a strongly regulated aviation industry, "self-flying" drones pose a fresh challenge. How safe is it to fly drones in different environments? Should drones be required for visual line of sight – as are piloted airplanes? Join EE Times' Junko Yoshida as she moderates a panel of drone experts.