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Sewage pipes and glass corridors: the mouhefanggai

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18:30 – 19:30 1 Feb 2017
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Franklin Room, Institute of Physics, 80 Portland Place, London, W1B 1NT

Speakers: Prof Alan Davies

What have intersecting sewer pipes and the glass corridors in the gardens of les Halles de Paris have in common? They both give rise to a common volume of intersection that the ancient Chinese called the mouhefanggai. Such volumes are nowadays evaluated using calculus, but the Chinese had an ingenious method based on slicing. We shall see how elementary school geometry can be used to find this volume together with the volumes of other interesting shapes such as beach balls.

Event type: Lecture/Talk
Organised by: London and South East Branch
Contact details: For further information, email lee.crouch@iop.org
tel +44 (0)20 7470 4938

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Franklin Room, Institute of Physics, 80 Portland Place, London, W1B 1NT
Clock icon
18:30 – 19:30 1 Feb 2017
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