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| Atoms make up everything in the universe but they're so tiny that you can't see them, even with a microscope. The center of an atom is a nucleus made up of positively charged protons and neutral neutrons. Around the nucleus whirls a cloud of even smaller negatively charged electrons. If an atom was about the size of a football field, its nucleus would be smaller than a grape. |
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Uses math to understand how atoms work |
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"For me, the world has always been full of mysteries. Studying the physical properties of matter allows me to unlock the secrets of the physical world." 
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