One of the most profound open questions in modern physics is: "Is gravity quantum?" The other fundamental ...

When Samuel F. B. Morse wasn't creating Morse code, inventing the telegraph, or painting portraits, he was relaxing on the grounds of his Locust Grove Estate in upstate New York. Located about 80 ...

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 ...

He had been thinking about building a code practice oscillator in a Altoids Smalls ... If you’ve ever written Morse code software, one challenge is to compute the actual sending speed in ...