MIT’s Mark II Holographic Video Display produces surprisingly pleasing and lifelike 3-D images. In one demo, a red prototype sports car designed by Honda instantly appears to hover brightly in miniature a half-meter or so in front of the observer, all of the car’s graceful lines perfectly discernible from different angles. Perhaps it’s partly because of the novelty of the experience, but the mild flicker and shimmering image bars hardly distract attention from the intense realism of the effect.