There’s the sleek BMW i8 plug-in hybrid, Tesla Model S P85D dual-motor electric car, and then the Mercedes-Benz Vision G-Code. Unlike its competitors, this concept features ‘multi-voltaic’ silver paint that’s designed to capture energy from solar rays to power its hybrid engine. According to Mercedes-Benz, the vehicle’s back wheels are powered by an electric motor while the front wheels are driven by a hydrogen combustion engine – the motor and engine can either be powered individually or together, depending on road conditions. Click here to view the first image in this week’s funny exam answers and fixes gallery. Continue reading for a viral video showing what happens when you drop a bowling ball and feather in the world’s largest vacuum chamber.