I exist in pairs yet often go unnoticed, one is matter, the other is not. What am I?
Category: Science · Difficulty: expert
Hint: Think about fundamental aspects of particles.
Answer
A particle and antiparticle
Explanation
Particles and their antiparticles exist together, but the antiparticle is often harder to detect due to its properties.
This is a expert science riddle — one of the harder riddles here. The answer is A particle and antiparticle.
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