mˈoːɹ ðˌænə dˈɛkeɪd ˈæftɚ ɹˈɪtʃɚdsən kəmplˈiːɾᵻd hɪz wˈɜːk, bɛnwˈɑː mˈændɪlbɹˌɑːt dɪvˈɛləpt ɐ nˈuː bɹˈæntʃ ʌv mˌæθɪmˈæɾɪks, fɹˈæktəl dʒiˈɑːmətɹi, tə dᵻskɹˈaɪb dʒˈʌst sˈʌtʃ nˈɑːnɹˈɛktɪfˌaɪəbəl kˈɑːmplɛksᵻz ɪn nˈeɪtʃɚɹ æz ðɪ ˈɪnfɪnət kˈoʊstlaɪn.
More than a decade after Richardson completed his work, Benoit Mandelbrot developed a new branch of mathematics, fractal geometry, to describe just such non-rectifiable complexes in nature as the infinite coastline.