An exhibition in Australia showcased a technology that could be used in future hotel rooms, and it includes zero-gravity beds, self-darkening glass, and doors that are unlocked by mobile phones.

The technology was showcased at the Hotel Hospitality and Design expo in Sydney, the Herald Sun reported. The ''Hotel Room of the Future'' exhibit, designed by John Beazely and Co aims to cater to the every whim of today's travelers who demand the latest in technology.