A guy has made a prototype invention of his “Automatic Sunglasses” Pretty cool concept sunglasses that retract on their own on UV detection. Facebook Prev Article Next Article Gadgets Checkout these cool gadgets... Related Posts Four-Wheeled Yamaha Tesseract Crowdfunded Open-Source Pleasure Toy? Debunk the Flying Selfie Phone Scam Vietnamese Batpod Prototype – Does Not Look Safe 5 House Gadgets We Will Soon See FireFly – LED Skateboard