Imagine moving your hand in mid-air while driving until you feel a sensation which you know corresponds to climate control – then swiping up or down to alter the temperature.

It could be a reality this year as Ultrahaptics’s tech, which uses ultrasound to create ‘virtual’ buttons, is delivered to car manufacturers.

The result of a seven-year PhD project at the University of Bristol, it secured £10.1m funding in 2015.

See more of our 101 tech start-up disrupters here.

And check out our 101 rising stars of tech - the exciting firms which did not make the main list but have the potential to grow.