I am the spectrum of light you cannot see, yet I power your devices and warm your skin. What am I?
Category: Science · Difficulty: hard
Hint: I am used in remote controls and thermal imaging.
Answer
Infrared waves
Explanation
Infrared radiation is part of the electromagnetic spectrum and is not visible to the human eye, yet it plays a crucial role in heating and communication technologies.
This is a hard science riddle — a tricky one that takes a little thought. The answer is Infrared waves.
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