Haptic technology in general not harmful to the human body and can be focused easily. One company called Ultrahaptics has been working with this technology to provide non-contact haptic feedback. Founded in 2013, Ultrahaptics has focused on providing users haptic feedback in free space using ultrasound technology. They use multiple ultrasound speakers to make changes in the air pressure around the user. This provides the ability to feel the pockets of pressurized air focused in the environment. This gives the user tactile cues for gestures, invisible interfaces, textures, and virtual objects. The company is continuing to grow and launched their evaluation programme
A Natural History of the Senses past, connect us in ways that most of our cherished ideas never could.” A Natural History of the Senses A Natural History of the Senses is a 1990 non-fiction book by American author, poet, and naturalist Diane Ackerman. In this book, Ackerman examines both the science of how the different senses work, and the varied means by which different cultures have sought to stimulate the senses. The book was the inspiration for the five-part "Nova" miniseries "Mystery of the Senses" (1995) in which Ackerman appeared as the presenter. “What is most amazing is not how our senses span distance or