10 bizarre gadgets from CES 2013

UPDATED Formation helicopters, mind-controlled cat ears and much more

By Mary Branscombe

With the power of your mind! Neurosky's brainwave scanning band really works, but are cat ears showing your feelings really the best use?

Parrot's gyroscopic AR Drone quadcopters flying in formation; the real Top Guns fly some 100 miles west of Vegas at China Lake

Slow down and chew your food properly, or the HAPIfork will start buzzing; it doesn't check if your elbows are on the table though.

Stay cool, or warm, or just right. Dhama's Pursuit business shirt has built-in heating and cooling from 73 to 122 degrees – but no Jackie Chan moves.

Bringing a whole new meaning to point and click, TrackingPoint's Linux-powered guns have head-up displays for choosing your target.

It's not a chopping board, but if you use your iPad for recipes this hermetically sealed Lifeproof case will keep it clean in the kitchen.

There's no shortage of Bluetooth speakers at CES but the Black Diamond IIIs from Acase are the only ones you're likely to mistake for disco lights.

This screen cleaner really does smell of fresh apples; especially if you press too hard and spray it all over your shirt…

Tylt's Energi backpack with a hefty battery can charge your iPad but it might also turn you bright green

These adorable stands from Pinlo customise your iPhone power supply and cuddle your phone while it charges

What everyone who goes to CES really wants: the time to lie back and rest weary feet in a massage chair!