. . . . . . . . . . "History of knot theory"@en . . . . . . . . "10870"^^ . . . . . . . . . . . . . . . "1081542836"^^ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . "Knots have been used for basic purposes such as recording information, fastening and tying objects together, for thousands of years. The early, significant stimulus in knot theory would arrive later with Sir William Thomson (Lord Kelvin) and his vortex theory of the atom."@en . . . . . . . . . . . . . . . . . . . . . "Knots have been used for basic purposes such as recording information, fastening and tying objects together, for thousands of years. The early, significant stimulus in knot theory would arrive later with Sir William Thomson (Lord Kelvin) and his vortex theory of the atom."@en . . . . . . . . . . . . . . "17616354"^^ . . . . . . . . . . . . .