Norman Biggs

@norman_biggs

Emeritus Professor of Mathematics at the LSE. Author of 13 books and over 100 papers on Mathematics and its history, and articles on Numismatics and Metrology.

maths.lse.ac.uk/Personal/norman
Joined December 2014
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  1. Nov 1

    Actually the 1601 standard pint is neither perfect nor mathematical, as it is not a regular cylinder.

    Science Museum maths gallery to offer the perfect pint via
  2. Oct 28

    For the serious student: if J, K take j, k seconds per lap, and the overtake occurs after t seconds, then 1/k =1/j + 1/t.

    The answer to today's can be found in the solution below. Remember that the SMC is less than three weeks away!
    1 like
  3. Oct 25

    Set of scales with weights, from a Viking boat burial at Colonsay, 875–925 AD

    55 retweets 98 likes
  4. Oct 7

    Three of the lecture courses given at LSE in its first session 1895-96. The second one is pertinent.

    2 retweets 1 like
  5. Sep 30

    Best wishes to Richard from a mere 75-er, with fond memories of visits to Calgary, Norman.

    Happy 100th birthday, Richard K Guy!
  6. Sep 27

    PrimeGrid has found the biggest pair of twin prime numbers yet:

    11 retweets 7 likes
  7. Sep 22

    Obviously students of history.

    Princeton sophomores pose after a brutal snowball fight, 1893. Photograph from the Princeton University Archive.
  8. Sep 18

    I recall a talk from an eminent cosmologist who used the words 'string stuff' instead of 'string theory'.

    Read it & be well-informed. Read this rejoinder at Not Even Wrong & be even better informed
    1 retweet 1 like
  9. Sep 8

    Earthquakes in East Africa; blog from my recent trip to Malawi:

    6 retweets 5 likes
  10. Sep 3

    Hydraulic models occur in 1910, in D.A.Barker's 'Cash and Credit'. Was that the first occurrence?

    Find out more about Bill Phillips and the Phillips Machine hydraulic model on the LSE History blog
  11. Sep 1

    Hmmm... discount on Simon Singh's book, but not mine.

    Fantastic to spot "Quite Right" on the stand at
    1 retweet
  12. Aug 24

    For follower(s) who attended NLCS.

    Sophie Bryant, mathematician and pioneer of education for women via
  13. Aug 13

    Belated contribution to . A bronze weight c1800 with the Coventry elephant mark.

    2 retweets 1 like
  14. Aug 10

    Just shared a very silly article illustrating the perils of economic forecasting.

  15. Aug 10

    BBC News - Predicting the Rio Olympic medal table

  16. Jul 29

    ... and an expert on Risk!

    0:09
    The hazards of being an invited speaker at a Brazilian conference….
  17. Norman Biggs followed and
  18. Jul 26

    The triquetra is a triple-twisted band (Mobius), with boundary a trefoil knot. Did they make 3D versions?

    Gersum logo source: triquetra design on pennies of Olaf Sihtricsson and Sihtric from 940s Anglo-Scandinavian York
    1 retweet
  19. Jul 17

    Featured Book on my homepage Quite Right by warmly reviewed in this month's LMS Newsletter:

    1 retweet
  20. Jul 13

    Not sure what to make of this. Explanations welcome!

    Bitcoin's blockchain has finally begun to fulfill its promise of enabling non-currency uses. Chart by

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