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
The Five Senses (series) The Five Senses (series) The Five Senses is a set of allegorical paintings created at Antwerp in 1617–18 by Jan Brueghel the Elder and Peter Paul Rubens, with Brueghel being responsible for the settings and Rubens for the figures. They are now in the Prado Museum in Madrid. They are all painted in oils on wood panel, approximately in dimensions. The series constitutes one of the best known and most successful collaborations by Brueghel and Rubens, who were close friends. The allegorical representation of the five senses as female figures had begun in the previous century, the earliest known examples