Cross section (geometry) of Earth at right. Cross-sections are often used in anatomy to illustrate the inner structure of an organ, as shown at left. A cross-section of a tree trunk, as shown at left, reveals growth rings that can be used to find the age of the tree and the temporal properties of its environment. Cross section (geometry) In geometry and science, a cross section is the non-empty intersection of a solid body in three-dimensional space with a plane, or the analog in higher-dimensional spaces. Cutting an object into slices creates many parallel cross sections. The boundary of a cross section in
Horizontal (album) Horizontal (album) Horizontal is the fourth studio album by the Bee Gees, and their second album to receive an international release. The LP was released in early 1968, and included the international hit singles "Massachusetts" and "World". On 5 February 2007, Reprise Records reissued "Horizontal" with both stereo and mono mixes on one disc and a bonus disc of unreleased songs, non-album tracks, and alternate takes. The album was released in Polydor in many countries and on Atco only in the US and Canada. "And the Sun Will Shine" (backed by "Really and Sincerely") was released as a single only