|Overall the Datalogging Seismograph has four major components.|
Click on the images below for details on construction and use.
The room in NSW moves about 0.1 mm during a strong quake in Indonesia or New Zealand
"sees" the bar move in front of light detecting resistor. Gives 0-5 volt output
has analogue to digital converter to turn volts into pulses for the computer
allows kids to see the quake as waves on the monitor over several hours
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Last Update: Monday, 30-Apr-2012 14:58:40 AEST