A robot developed by five young engineers at Mitsubishi Electric Corp. was recognized by Guinness World Records as the fastest to solve a 3x3x3 puzzle cube--almost as quickly as the blink of an eye.

Would you pay $300 for a piece of carpet to put on your car’s dash? That’s what Nissan dealerships were purportedly charging for this strange add-on for its Cube vehicle. The top of the video ...