Symmetry in the man-made world. Diane Louise Jordan has three sessions on observing shapes in the world around us. BBC School ...

The human visual system exhibits a remarkable ability to decipher the three-dimensional structure of the world from two-dimensional retinal images. Central to this process is the utilisation of shape ...

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As always, the caption on the post is pure gold: "Regular or goofy. Switch, nollie, fakie. Toy Machine does not discriminate. The only thing crooked should be your grinds." Love that. We've been ...

The paper reflects on mathematics education courses for K-12 teacher candidates through the lens of asymmetry enhanced by using various digital tools. It demonstrates both explicit and hidden presence ...