You might have already noticed that there are more and more cars designed with hidden door handles, whether you are a car enthusiast or not. There's the same anecdote to all the Model 3 owners of showing their first-ride friends how to open the door. And if you are in a better developed, or more environment-conscious area, you will even find that some big automobile companies are also trying to hide their wing mirrors. 2013 Volkswagen Xl1 was an early example, Audi e-tron,Lexus es, Honda E, Hyundai IONIQ 5 are all recently replaced their wing mirrors with camera (virtual mirror). Honda E Why are these automobile giants working so hard on such tiny exterior parts? The short answer is to reduce air resistance, therefore the electric cars can run more miles and the gas cars can burn less energy, it’s for the environment! Surprisingly those tiny parts might make a...