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Pixel pattern

Act 1

A video clip shows the growth of a pattern created from pixels. The pattern is set inside a rectangle. When will the pixel pattern break through the box? After how many seconds? At which point on the perimeter of the rectangle?

Act 2

Further information is given. This comprises the dimensions of the rectangle, the size of each pixel, and two frames from the video.

Act 3

A video reveals the answers to the questions.

Sequel Act 1

Focus is given to the aspect ratio of the box bounding the pattern at each stage. How does this change?

Sequel Act 3

A video reveals the answer.


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