A new wearable startup claims it has created the world's first proactive AI smart glasses and that it can work with any lenses.

Wearable screens, heads-up displays, color-changing lenses, and automatic caption glasses stood out at the Consumer Electronics Show.

As with previous events there have been a slew of cool new gadgets on show, but also some head-scratchers that make you wonder “Why on earth have they done that?” This year’s oddities include a spoon that electrocutes your food,