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Tornadoes are most often detected by doppler radar, which can measure wind velocity from a distance. However, one limitation is that radar cannot tell if a tornado is actually on the ground; that usually requires visual confirmation.
Like the name suggest, the Compton Gamma Ray Observatory detects gamma rays.
Color is brain code for frequencies of light - compare a black and white picture with the same one in color and note the ease with which you can pick out features. So - color detects foods and enemies faster.
it may be activated by a light sensitve photocell. if the cell detects light, it doesn't come on, that way it conserves the solar energy until it's dark, and you need the light to activate.
The main tool used to detect a developing tornado is doppler radar, which can detect the rotation. However, nothing beats a a trained spotter, who can visually confirm what the radar detects and report on things it might miss.
A seismometer detects the earthquake vibrations that the seismograph records.
Seismometer
Detects changes in blood pressure.
A seismometer or seismograph
Detects changes in blood pressure.
Sense Organs
A seismograph is one such instrument...there might be others.
Manometer
The nervous system.
sense of balance
The cloud chamber, or Wilson chamber.
the liver