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The ending -cide comes from the Latin word caedere (to kill). The word beginning indicates what is killed in...

Question | Difference between Pesticide, Fungicide and Herbicide

As far as I know, first, there was the term for the laptop for the at that time larger foldable computers. Laptop came...

Question | Difference between Laptop, Notebook and Netbook

There was a time, parachutes had not a hole, but the hole of modern parachutes contributes significantly to the...

Question | Why do parachutes have a hole at the top?

There are numerous theories of where the dollar sign could come from. The theory described by Enky is the most...

Question | Where does the Dollar Sign come from?

Between you, the observer on the earth and the distant stars, is an incredibly large distance. When you consider how...

Question | Why do stars twinkle?