Uber’s latest project is prevent travel sickness during rides. According to a new patent, the company wants to use vibrating and moving seats along with other features to help ease passengers who may feel sick. Uber said in patent The technology will be important for its fleet of self-driving cars, and it will help relax passengers as the car makes turns, brakes, or accelerates. There will also be an airflow system aimed at the passenger’s head, legs, and other body parts.