Toby Brown, 16, raised $1 million for his AI project, Beem. He dropped out of school in the UK to pursue the project in Silicon Valley.

Once upon a time, ham radio was all about CW and voice transmissions and little else. These days, the hobby is altogether richer, with a wide range of fancy digital data modes to play with.

Sometimes it’s nice when you can do everything you need to do with just one single port. In this vein, [Nicola Strappazzon] ...