Sir Clive Sinclair’s ZX81 was a phenomenal sales success as one of the cheapest machines available in the early 1980s, but even its most fervent admirers will admit that it suffered heavily from the ...

What if you could hold a piece of computing history in your hands—only this time, it’s smarter, sturdier, and ready for the modern age? The ZX81, a innovative device that introduced countless people ...