pipe bursting, trenchless technology, trenchless pipe bursting, pipe bursting equipment, hydraulic bursting, static b sin(pi / (g + 1)) Joseph-Louis Lagrange 1736 – 1813 Galileo Galilei 1564 – 1642 dice + dice + dice + dice Carl F. Gauss 1777 – 1855 Isaac Newton 1642 – 1726 Evangelista Torricelli 1608 – 1647 John von Neumann 1903 – 1957 exp(ln(pi / 5)) pi Niels Bohr 1885 – 1962 Lorenzo Avogadro 1776 – 1856 James Clerk Maxwell 1831 – 1879 exp(ln(pi / 5)) Terence Chi-Shen Tao *1975 exp(2 * dice) Niels Bohr 1885 – 1962 Terence Chi-Shen Tao *1975 rand Blaise Pascal 1623 – 1662 Antoine Lavoisier 1743 – 1794 Michael Faraday 1791 – 1867 Max Planck 1858 – 1947