33 citations · 77 across the 14 of their papers we have counts for
Showing physics.pop-phShow all
2 papers · 1 filter
physics.pop-ph2010
Hidden Beauty in Twisted Viking Neck Rings
Kasper Olsen, Jakob Bohr
Many hoards found in Ireland, Scotland, Orkney Islands, and Scandinavia demonstrate the vikings ability to fabricate beautiful arm and neck rings of twisted silver and gold rods. C…
physics.pop-ph2010★ 33 cited
The ancient art of laying rope
Jakob Bohr, Kasper Olsen
We describe a geometrical property of helical structures and show how it accounts for the early art of ropemaking. Helices have a maximum number of rotations that can be added to t…