I’m the fastest thing in the universe, yet I’m not visible. I can travel through space and time. What am I?
Category: Science · Difficulty: medium
Hint: I carry light, but you can't see me standing still.
Answer
Light wave
Explanation
Photons are particles of light that travel at the speed of light and are essential to our perception of light.
This is a medium science riddle — a moderate challenge for most people. The answer is Light wave.
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