The illustrated embodiment comprises a biosensor utilizing plant cells and nutrient media for maintaining the plant cells in a live condition. Each mono-color pixel is red, blue, or green. In other examples, the deformable mirror changes configuration under the control of actuators comprising shape memory materials. The inventive helmet could also have at least one cushion or intermediate layer which could be secured by one or more securing means. Ventilation, access and attachment openings are provided on the adaptor allowing access to the interior for adjusting PC board switches, running wires and attaching the unit inside a larger mounting enclosure.