A force is a push or a pull that acts on an object due to the interaction with another object. Force is measured in newtons (N). Forces are divided into contact forces and non-contact forces. A force ...

Over the last few decades, there have been quite a few science-related books with one-word titles. “Cod” and “Salt” by Mark Kurlansky come to mind, as does Dava Sobel’s “Longitude.” Such books promise ...

There may be a fifth fundamental force of the universe that we haven’t documented yet — and, according to new research, our best bet of uncovering it may not lie in deep space, but in objects ...

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