Elon Musk teases research on a big battery breakthrough

It's no secret that Tesla likes to keep an open mind when it comes to exploring, researching and testing new battery technologies. And though Tesla is typically cautious whenever someone claims to have unearthed a new and revolutionary battery technology, the company is more than willing to dutifully examine such claims and see how the underlying science pans out.In an effort to remain on the vanguard of any battery technology advancements, you might recall that Tesla inked a 5-year contract wit