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if a nucleus were the size of a marble how big would the atom be

If an atom’s nucleus were the size of a marble, the atom would be over 120 metres across. ... read more

why are circles 360 degrees and not a round number

Circles have 360 degrees due to the Sumerians’ observations of the Sun’s motion across the sky. ... read more

forging the blade

How to make the perfect killing machine. ... read more

what is data roaming

Data roaming enables you to connect your smartphone to the internet when you are in other countries. ... read more