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 specimen of the ...
If you want to learn Morse code and you don’t have a teacher, you’d probably just head over to a website or download a phone app. Before that, you probably bought a cassette tape or a phonograph ...
Researchers say they will be able to test different models in the "miniature brains" smaller than one cubic millimeter.
If you do a lot of reading or research in your job, taking notes the old-fashioned way can really slow you down as you're wading through tons of white papers or reams of reports. But here's a hack ...
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