Abstract: A device includes a nozzle including a discharge end for discharging a fluid, a shutter plate including an aperture, the shutter plate positioned at the discharge end of the nozzle, a plurality of tethers coupled to the shutter plate, and a plurality of electrostatic actuators. Each of the plurality of electrostatic actuators are coupled to one or more of the plurality of tethers. The plurality of electrostatic actuators are configured to move the shutter plate between an open position and a closed position relative the discharge end of the nozzle. In the open position, the aperture is in fluid communication with the discharge end of the nozzle to permit fluid from the discharge end of the nozzle to flow through the aperture. In the closed position, at least a portion of the shutter plate inhibits fluid from the discharge end of the nozzle from flowing through the aperture.

Abstract: A device includes a nozzle including a discharge end for discharging a fluid, a shutter plate including an aperture, the shutter plate positioned at the discharge end of the nozzle, a plurality of tethers coupled to the shutter plate, and a plurality of electrostatic actuators. Each of the plurality of electrostatic actuators are coupled to one or more of the plurality of tethers. The plurality of electrostatic actuators are configured to move the shutter plate between an open position and a closed position relative the discharge end of the nozzle. In the open position, the aperture is in fluid communication with the discharge end of the nozzle to permit fluid from the discharge end of the nozzle to flow through the aperture. In the closed position, at least a portion of the shutter plate inhibits fluid from the discharge end of the nozzle from flowing through the aperture.

Abstract: An image viewer in the shape of a physical relief of a pregnant woman is disclosed, the image viewer comprising a housing, the housing shaped as a physical relief of a pregnant woman and comprising a cavity, an aperture to the cavity; and an image holder, positioned to hold an image in line with the aperture. In some embodiments, the housing of the image viewer may be integral to a photograph album such that the housing forms the front cover of the photograph album. In some embodiments, the image viewer may further comprise a lighting system, comprising a light source disposed in the cavity, a light source switch electrically connected to the light source and disposed external of the cavity, and a light source power source electrically connected to the light source and the light source switch. The housing may also comprise clothing and a lens positioned in the aperture.