Infrared is a kind of light that our eyes can’t see. It has longer waves than red light and feels like gentle heat on your skin.
People use infrared every day without thinking about it. TV remotes send invisible infrared signals to change the channel, night-vision cameras use it to see in the dark, and smart thermometers check your temperature by measuring the infrared heat coming from your body.
Meaning & Usage Examples
Infrared simply means “below red” in Latin. Examples: “Switch the TV with an infrared remote,” or “The security camera uses infrared to film in complete darkness.”
Context / Common Use
You’ll find infrared in home gadgets, car sensors, and even ovens. It’s the quiet helper behind remote controls, motion detectors, and medical heat scanners.
Is infrared harmful?
No. The low-power infrared from remotes and cameras is safe and doesn’t damage skin or eyes.
Can animals see infrared?
Most can’t, but some snakes and beetles sense it as heat to hunt or find mates.
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