- In geometry, a
tetrahedron (pl.:
tetrahedra or tetrahedrons), also
known as a
triangular pyramid, is a
polyhedron composed of four
triangular faces, six...
-
stellated octahedron can be
formed from two
centrally symmetric overlapping tetrahedra. This can be
generalized to any
desired amount of
higher dimensions; the...
-
compound of
tetrahedra might be:
Compound of two
tetrahedra –
stellated octahedron Compound of
three tetrahedra Compound of four
tetrahedra Compound of...
-
Marching tetrahedra is an
algorithm in the
field of
computer graphics to
render implicit surfaces. It
clarifies a
minor ambiguity problem of the marching...
- the
anion is a
tridimensional network of
tetrahedra in
which all
oxygen corners are shared. If all
tetrahedra had
silicon centers, the
anion would be just...
- to add new spheres,
while forming new
tetrahedra. The next solution, with five balls, is
trivially two
tetrahedra sharing a
common face; note that already...
-
attaching two
tetrahedra face-to-face. The same
shape is also
known as a
triangular dipyramid or
trigonal bipyramid. If
these tetrahedra are regular, all...
- six-dimensional
space of all
tetrahedra (as
parameterized by
their six edge lengths). More precisely, Crelle's
tetrahedra are
exactly the
tetrahedra formed by the centers...
-
opposite tetrahedra. It is vertex-transitive with 8
tetrahedra and 6
octahedra around each vertex. It is edge-transitive with 2
tetrahedra and 2 octahedra...
- They
share a
common structure consisting of
single chains of
silica tetrahedra.
Pyroxenes that
crystallize in the
monoclinic system are
known as clinopyroxenes...