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
Haptic technology flight simulators for pilot training. It is very critical to exert proper force magnitude to the user. It requires considering human force sensitivity. Haptic feedback is commonly used in arcade games, especially racing video games. In 1976, Sega's motorbike game "Moto-Cross", also known as "Fonz", was the first game to use haptic feedback which caused the handlebars to vibrate during a collision with another vehicle. Tatsumi's "TX-1" introduced force feedback to car driving games in 1983. The game "Earthshaker!" was the first pinball machine with haptic feedback in 1989. Simple haptic devices are common in the form of game controllers,