Who invented time, who invented the clock? Why 1 hour, why 60 minutes, why 60 seconds? Since prehistoric times, man has sought to measure time, to...
A young boy is taught the wonder of standard unit of measurement by the world's greatest superhero: Measuring Man!
Illustrates principles for measuring distance, mass and time--the basic quantities in physical science. Emphasizes the importance of accuracy....
Precision: The Measure of All Things is a three-part British television series outlining aspects of the history of measurement. It was originally...
Үнэгүй хязгааргүй хандалт, Ямар ч зар сурталчилгаа хайх, Өдөр бүр сая сая цол хэргэм нэмдэг, Бүх платформууд ба бүрэн оновчтой, Хаана ч, хэзээ ч