33 citations · 77 across the 14 of their papers we have counts for
5 papers · 1 filter
Pair-correlation analysis of HD 10180 reveals a possible planetary orbit at about 0.92 AU
Kasper Olsen, Jakob Bohr
The pair-correlations between the positions of the six known planets in the exoplanetary system HD 10180 are studied. There are six non-trivial and almost equally spaced peaks. Thi…
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…
The close-packed triple helix as a possible new structural motif for collagen
Jakob Bohr, Kasper Olsen
The one-dimensional problem of selecting the triple helix with the highest volume fraction is solved and hence the condition for a helix to be close-packed is obtained. The close-p…
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…
The geometrical origin of the strain-twist coupling in double helices
Kasper Olsen, Jakob Bohr
The geometrical coupling between strain and twist in double helices is investigated. Overwinding, where strain leads to further winding, is shown to be a universal property for hel…