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 (pair of paintings) Allegorical paintings representing the five senses as female nudes had become fashionable in the previous century, but Brueghel introduced the illustration of the theme by means of assemblages of works of art, musical instruments, scientific instruments and military equipment, accompanied by flowers, game and fish, which was widely adopted by Flemish artists. The two paintings were commissioned by the City of Antwerp to be presented to the archducal couple, and were executed by "twelve of the best masters of [the] city". They were paid for in October 1618. In 1619 they were in the audience chamber at Tervuren Castle. In