Tesla and SolarCity, the solar panel specialist it is in the midst of acquiring, have unveiled the Solar Roof, aiming to quieten naysayers that have disparaged the technology over the past few months. While the SolarCity acquisition still has many vocal skeptics, the roof technology brings Tesla a step closer to completing its fairly radical corporate transitions. The new product is essentially a roofing tile that contains a solar panel, which can be used to generate electricity to be stored in one of Tesla’s Powerwall batteries – a Home Energy Management System (HEMS). A chief objective of the Solar Roof is to be price-competitive with the cost of replacing a roof, and be much more aesthetically pleasing than previous solar…