Fifty years ago this month at a radio exhibition in Berlin, a three-inch-by-four-inch product was unveiled. Half a century on, it doesn't look like much. But it was cheap, portable, easy to copy, and ...

The big picture: Lou Ottens worked his way up the ranks at Philips, eventually overseeing the company's new product R&D division. He led development of the company's first portable tape recorder, the ...

Cassette players have lived in obscurity for the better part of the last two decades. Recently though, at least in the UK and US, they’ve been making a comeback, riding on nostalgia and a fascination ...