Author name: Threeyzmonkeys

#444 How does wireless charging work?

How does wireless charging work? By sending power from a transmitter to a receiver. Wireless charging is known as inductive charging and it is very common these days. Many of us charge our phones by placing them on a magnetic wireless charging pad. But, how does wireless charging work? It uses something called inductive charging.

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#439 When were pencils invented?

When were pencils invented? The first pencil was invented in 1565. It is easy to think that something as simple as the pencil has been around for eons, but that is not actually true. Graphite was discovered in 1565, and the very first pencil was made very shortly after. Before pencils were invented, people used

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#438 Why are katana blades curved?

Why are katana blades curved? They are curved to make them more efficient at cutting. Katana are long, curved swords from Japan. Their name “katana” means one-sided blade. “Kata” means “side” and “na” means blade. Many swords are double-sided because it allows them to be more effective when thrust. They can also be used to

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