Ambitious doesn’t even begin to describe “Cloud Atlas,” which marks the first collaboration between Andy and Lana Wachowski and Tom Tykwer. Powerhouse screen visionaries, the trio find an unusual harmony for their mighty endeavor, providing a smooth melt of specialized sensibilities as they tackle an adaptation of an “unfilmable” novel by author David Mitchell. Overlong yet undeniably powerful and inventively arranged, “Cloud Atlas” demands viewers permit the creative team a chance to make their case. They take their time but come armed with exquisite production achievements and a byzantine story that actually manages to find a satisfying conclusion, despite a complex, borderline unintelligible first half that all but promises an oncoming narrative disaster. Read the rest at Blu-ray.com