I am a phenomenon that cannot be seen but can be measured. I can travel through a vacuum, yet I’m not light. What am I?
Category: Science · Difficulty: hard
Hint: Think about vibrations that require a medium.
Answer
Sound wave
Explanation
Sound waves require a medium to travel through and are produced by vibrating objects, but they cannot travel in a vacuum.
This is a hard science riddle — a tricky one that takes a little thought. The answer is Sound wave.
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