#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…
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…
Why are people left-handed or right-handed? Because of genetics and environment. There are four types of handedness. People can be right-handed, left-handed, right-handed for some tasks and left-handed for other…
Why can humans throw so fast? Because of several biological changes. To be able to throw, it is necessary to be able to grip the projectile, and then have the…
Why are Quakers the reason we have fixed prices? Because Quakers believe in fairness. The Quaker religion began in Lancashire, England in the 1650s. George Fox, the son of a…
Why is the Gutenberg Bible special? Because it was the first mass-produced book made with movable type. The Gutenberg Bible is named for Johannes Gutenberg, who famously perfected movable type…
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…
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…
How does a caterpillar become a butterfly? By dissolving itself and regrowing. Caterpillars start life as an egg. Female butterflies lay eggs on leaves. It varies by species, but a…
Who made the first English dictionary? Robert Cawdrey in 1604. There was no need for a dictionary throughout most of the history of the English language. Up until the invention…
What makes rain smell? A combination of plant oils, bacterial spores, and ozone. Everything always smells very fresh after a rainfall and there is a word for it. Merriam-Webster defines…