In a realm of clocks, I stand still, yet my essence can be measured by a thrill. What am I?

Category: Science · Difficulty: hard

Hint: Consider what scientists study and debate in relation to space.

Answer

Instants

Explanation

Time is a fundamental concept in physics, often regarded as the fourth dimension, influencing the rate of processes and events.

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

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