Brainwave bands, Knight Rider cars and Iron Man helmets at CES

"The Consumer Electronics Show (CES) takes place in Las Vegas this week

Intel used the event to release details about tiny wearable computers

Audi teased a smartwatch that summons a car like Kitt in Knight Rider

Startups unveiled an Iron Man-style augmented reality helmet, and a X Men-inspired headband that can read your brainwaves

While robotic spiders and cargo drones "