Geek accessories

20 October 2016 / 11:12BST

Hall of Fame: Casio VL-1

Long before the iPod, you could make your own tunes for on-the-go musical entertainment
11 October 2016 / 18:00BST

GoPro Karma hands-on review

It fits inside a backpack, zips through the skies at 60 km/h and shoots your adventures in 4K - what's...