I can stretch or compress, bending the rules of time. My existence is felt, yet I am not tangible. What am I?

Category: Science · Difficulty: hard

Hint: Think about what Einstein described in his theory of relativity.

Answer

Space-Time

Explanation

Space-time is a four-dimensional continuum that combines the three dimensions of space with the dimension of time, crucial to understanding physics.

This is a hard science riddle — a tricky one that takes a little thought. The answer is Space-Time.

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