A teenager won a $25,000 award for inventing a solution to eliminate blind spots for cars

(CNN)A 14-year-old from West Grove, Pennsylvania, won a $25,000 prize for creating a prototype designed to eliminate a car’s blind spots. Gassler’s project uses a webcam, projector, 3D printed adapter and retroreflective fabric to make a car’s A-pillars invisible by displaying the image of the blind spot behind them onto the pillar. First, a webcam is attached to the car onto the A-pillar. Then, a projector mounted on the roof inside the car is used to display the images from the webcam. Gassler also 3D printed a special piece to allow the projector to focus at close range. The teen used retroreflective fabric to cover the A-pillar to allow light from the projector to reflect back onto the light source, …