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(11/05/09) The inside story EcoSphere is a delicate balance of earth, water, air and life—all parts of a working ecosystem. Light—the foundation of life. Fluorescent light or indirect sunlight provides everything your ecosystem needs; there’s no feeding or... See more

(11/05/09) The inside story EcoSphere is a delicate balance of earth, water, air and life—all parts of a working ecosystem. Light—the foundation of life. Fluorescent light or indirect sunlight provides everything your ecosystem needs; there’s no feeding or cleaning required. Seawater—provides the backdrop for this educational, self-contained marine environment. Red shrimp—chosen for their nonaggressive tendencies towards one another, these tiny crustaceans live in perfect harmony with their mini environment. Algae—healthy growth sustains and nourishes shrimp by supplying food and oxygen. Microbes—to feed the algae. Other materials—Gorgonia sprig, gravel, shells and glass provide ample hiding places and smooth surfaces for microbes to attach themselves to and thrive. Glimpse into the future This technology was developed by scientists at NASA’s Jet Propulsion Laboratory as part of a growing initiative to study our planet’s biosphere. NASA was researching self-contained communities for space... See less

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(11/05/09) * Turns room into a glittering cosmos of 10,000 stars, planets and other celestial objects * Bright white LED optical projector sets the astral fields in motion and lets the random meteor feature light up the sky with shooting stars * Interchangeable... See more

(11/05/09) * Turns room into a glittering cosmos of 10,000 stars, planets and other celestial objects * Bright white LED optical projector sets the astral fields in motion and lets the random meteor feature light up the sky with shooting stars * Interchangeable cartridges offer a variety of sky views * Automatic shut-off timer lets you fall asleep under the twinkling sky * AC power or 4 C batteries not included * AC adapter included * Dimensions: 6-1/2" diam., 6"H * Catalog and Web only See less