Types of Sensors
- Capacitive
- Capacitive displacement sensor
- Doppler effect (sensor based on effect)
- Eddy-current
- Inductive
- Laser rangefinder
- Magnetic, including Magnetic proximity fuse
- Passive optical (such as charge-coupled devices)
- Passive thermal infrared
- Photocell (reflective)
- Radar
- Reflection of ionising radiation
- Sonar (typically active or passive)
- Ultrasonic sensor (sonar which runs in air)
Read more about this topic: Proximity Sensor
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“Science is intimately integrated with the whole social structure and cultural tradition. They mutually support one other—only in certain types of society can science flourish, and conversely without a continuous and healthy development and application of science such a society cannot function properly.”
—Talcott Parsons (1902–1979)
“As for types like my own, obscurely motivated by the conviction that our existence was worthless if we didn’t make a turning point of it, we were assigned to the humanities, to poetry, philosophy, painting—the nursery games of humankind, which had to be left behind when the age of science began. The humanities would be called upon to choose a wallpaper for the crypt, as the end drew near.”
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