I carry charge through circuits, enabling light and motion. What am I?

Category: Science · Difficulty: hard

Hint: Consider the particles responsible for electric currents in conductors.

Answer

An electron current stream

Explanation

Electrons flow through wires creating current that powers devices, unlike protons or neutrons which do not move freely.

This is a hard science riddle — a tricky one that takes a little thought. The answer is An electron current stream.

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