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This is a variation of one of the projects on the Microsoft Hacking STEM Library. There they show you how to build a robotic hand out of cardboard, straws, and servo motors. They also show how to build a glove to control the robotic hand. They use th...
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There are many reasons for determining water quality. You may want to compare the water quality upstream and downstream to locate a possible source of pollutants along a river or stream. Another reason may be to track the water quality of a watershed...
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There are many reasons for determining water quality. You may want to compare the water quality upstream and downstream to locate a possible source of pollutants along a river or stream. Another reason may be to track the water quality of a watershed...
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In the early 1970s, the National Sanitation Foundation, in cooperation with over 100 water quality experts, devised a standard index for measuring water quality. This index, known as the Water Quality Index, or WQI, consists of nine tests to determin...
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Wind chill temperature (or index) is what it "feels like" outside as opposed to the temperature measured by a thermometer. It is a factor of both the actual temperature and the wind speed and is the rate of heat loss experienced by exposed skin due t...
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illustration of graphic clouds around a student using the Go Direct Air Quality sensor near the side of a road.
When I was teaching AP Environmental Science in Houston, Texas, one of my biggest frustrations was air quality. It's one of the most relevant, student-facing topics in the entire curriculum—my students lived in a city with real air quality issuesâ...
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Two of the 13 teams awarded grants by the Lemelson-MIT InvenTeams program in 2005 used our products extensively. The West Salem HS, OR team developed several methods of testing the ripeness of watermelon. One method was to measure the frequencies in...
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