The term virtual reality is gaining popularity nowadays, even though it started long ago. The concept of virtual reality began in the 1950s as science fiction, but it took 60 years to become more popular and acceptable. Why it is more popular now? The answer is the availability of cheap computing. Before, a virtual reality headset was very expensive. Now, we can build one for $5. You may have heard about Google Cardboard, which is the cheapest virtual reality headset available currently, and there are many upcoming models based on it. Now we only need a good smartphone and cheap virtual reality (VR) headset to get the virtual reality experience. There are also high-end VR headsets such as the Oculus Rift and HTC Vive that have a high frame rate and response.

In this chapter, we will discuss a ROS project in which we can control a robot using a Leap Motion sensor and experience the robot environment using a virtual reality...