"I'd say it's half full..."Glass Half FullTesla's Cybertruck has a mysterious, cavernous space inside its battery pack.During a teardown of the unusual pickup truck by automotive engineer and car expert extraordinaire Sandy Munro and his team, they discovered that the vehicle's massive battery pack is half empty, with tons of space above a layer of cylindrical, lithium-ion 4680 battery cells."I'd say it's half full..." Cybertruck lead engineer Wes Morrill tweeted in response, confirming that the...