A planet's north pole is defined by its position relative to the solar system's invariable plane. The invariable plane is a fixed reference point perpendicular to the solar system's rotation. A planet ...
MILPITAS, Calif.--(BUSINESS WIRE)-- Zilog, Inc., a wholly-owned subsidiary of IXYS Corporation (NAS: IXYS) and a pioneer supplier of microcontrollers (MCUs) providing solutions for the industrial, ...
How high is the sea? At first sight, the answer appears simple: zero metres. About 200 years ago, efforts were undertaken to precisely determine this zero point, or, to be more accurate, an average ...