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S1-E4 Hearing Aids/3D Puzzles/Toilets
Premiere

S1-E4 Hearing Aids/3D Puzzles/Toilets

Mon 12 Dec 8:30am - 9am Quest
See Repeats
Mon 12 Dec, 9:30am - 10am Quest +1
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Summary

How the designs of hearing aids, 3D puzzles and toilets were conceived, and the ways in which they have evolved.

Science

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