Infra Red
I want to ask something about infrared?
I will design a device that uses infra-red capability to protect a house from thieves. I install the device on the possible place in the house as the door or window. My question is this: 1) Is it possible to use infrared to detect movement? 2) How effective is it? If you have the answers through a link to the sites, which also would be useful. Thank you.
All matter is giving away energy as heat. For example, absolute zero (0 degrees Kelvin) is not in our universe, because nothing is really empty. The higher the temperature, the greater the electromagnetic frequency. As you know, when it gets hot, you can see a flame. Infra-red is just the electromagnetic frequency under visible light. Issued for example, the temperature of our body and as such, it is used for example in search and rescue operations to find human bodies at sea or in the snow. As such, you could make a theft detector not detecting the Doppler effect of a shift, but simply change the infrared image of someone be facing an infra red sensor.
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