Another function of the jig is to steady the piece of wood being cut to prevent excess cutting or inaccurate cuts. The size, shape, and function of a woodworking jig will vary significantly according to how it is being used and with what tool it is being used.
WMAP image of the (extremely tiny) anisotropies in the cosmic background radiation. Anisotropy /ËÃ¦naÉªËsÉtrÉpi/ is the property of being directionally dependent, which implies different properties in different directions, as opposed to isotropy.
Ionic solids are hard because they form lattice structures. This consists of the positive and negatively charged atoms forming a bond together in a very hard yet brittle structure. look up lattice structure in wikipedia for a picture. ions not free to move in solid state.. anisotropic in nature.