Years ago Domokos developed a mathematical tool for describing tessellations based on their average properties rather than the shapes of individual cells. The idea grew out of work on natural mosaics, ...

Unlike the majority of phyllosilicate minerals, which typically feature a T layer (silica backbone) composed of interlocked 6-fold rings of silica tetrahedra, apophyllite's T layer is ...

The important feature of homospory in terms of the fossil record is the four fold division involved in spore production, this takes the form of either a tetrahedra which gives a trilete spore or a ...

Department of Energy Science (DOES), Sungkyunkwan University (SKKU), Suwon 16419, Republic of Korea ...

Multi-element template (teal) framework of tetrahedra (bottom). Zoomed-in portion shows iron (Fe), silica, platinum (Pt), and gold (Au). The combination of the new functional nanomaterials created ...