A Foldable Rise and Stare Vehicle with a single engine assembly that contains a pair of inline counter-rotating propellers. The tone conversion means 250 applies tone conversion processing to image data that the image pickup means 220 for acquiring image data of a subject has acquired using tone conversion characteristic T\u2032 differing depending on the pixel position. Various combinations are provided. The cells can be employed, alone or within biologically-compatible compositions, to generate differentiated tissues and structures, both in vivo and in vitro.