Binary counting systems are based on '0' and '1', which may also represent 'ON' and 'OFF' in electronic circuits.
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A food chain typically has a larger number of plants or animals at its base.
A table of pins forms fluid-like, shiny patterns as they vibrate in this science-art exhibit.
Explore facts and figures about water and its use in agriculture, industry and domestic areas.
Young children are still learning how to use their senses. With this activity they can explore their sense of smell and use their memory to relate that smell to a visual image.
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