If you are a ham radio operator of a certain age, you probably remember ads for “The Instructograph,” a mechanical device for learning Morse code. [Our Own Devices] has an ancient speci… ...

Carter Martone, right, shows his father, Chris, the Morse code transmitter he created during Camp Invention on Friday at Mastricola Elementary School in Merrimack.

Learning Morse code can be fun!Google has teamed up with the clever folks at Adaptive Design Association—an organization that builds custom adaptations for children with disabilities—for a 48 ...