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How To Light A Bulb With A Potato

By: Susana Turcios Amaya, Journalist

The science behind the fact a potato can light up a bulb is that the potato has electrolytes (water and salt) and when connected to zinc or copper it makes a chemical reaction. It then produces electricity.

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How Toothbrushes Were Invented

By: Kian Abris, Journalist

One of the most famous items for fantastic hygiene is the toothbrush.

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The Engineering On How Bows Were Built

By: Kian Abris, Journalist

Bows and arrow's are a very popular weapon. Its been featured in Hollywood movies, Tv shows, Anime etc.

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The Engineering of Katanas

By: Kian Abris, Journalist

Katanas are one of the most famous weapons in the world.

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Primitive Tools

By: Nathan Britton, Journalist

Lomekwian tools were made by striking a rock on another rock set on a flat surface (or the flat surface itself if the surface was hard enough) to create a sharp edge.

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