Peg uses a magic ukulele to find the line of symmetry on shapes. Peg uses a magic ukulele to find the line of symmetry on shapes that form steps. The steps should lead her to the Kingdom of Day, where ...
YOU might remember learning about symmetry at school. Maybe a teacher showed you a snowflake’s six-fold symmetry and you marvelled at how it looked the same no matter how you rotated it. Well, it ...
When a ‘scanner’ called Minnie van der Merwe handed Rosemary Brown a photographic slide with an unusual configuration of particle tracks, the physicist knew that she was on to something. “I looked ...
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