This week on, we’re revisiting the storied rivalry between two of history’s most important energy-related inventors and engineers: Thomas Edison and Nikola Tesla. Check back each day to learn more about their lives, their inventions and how their contributions are still impacting the way we use energy today. Support your favorite with the hashtags #teamedision and #teamtesla on social media, or cast your vote below!

Join us on Thursday, Nov. 21, at 12:30 p.m. ET for a live discussion on Thomas Edison and Nikola Tesla. The event will be streamed on and the Energy Department’s Google+ page. Whether you want to know more about how we’re realizing Tesla’s idea of wireless transmission of energy today or who really invented the light bulb or what the war of the currents was, now is your chance to ask the experts.

You can submit your questions on Edison and Tesla in advance and during the Hangout by emailing, posting in the comments on the Energy Department's Facebook page or Google+ event, or tweeting @ENERGY or @BreakingEnergy using #EdisonvsTesla