Units of Measurement - Introduction Definitions Measurement means the act of measuring or the size of something. To Measure means to ascertain the dimensions, capacity, or amount (quantity) of something. A unit of measurement is a definite magnitude of a physical quantity, defined and adopted by convention and/or by law, that is used as a standard for measurement of the … [Read more...]
Ancient Timekeepers, Part 4: Calendars
Ancient Timekeepers, Part 4: Calendars All calendars began with people recording time by using natural cycles: days, lunar cycles (months), and solar cycles (years). Ancient peoples have attempted to organize these cycles into calendars to keep track of time and to be able to predict future events of importance to them, such as seasons (e.g. the annual Nile flood in ancient … [Read more...]
Ancient Timekeepers, Part 2: Observing the Sky
Ancient Timekeepers, Part 2: Observing the Sky We perceive the universe we inhabit has three dimensions of space and one dimension of time. Our planet wobbles slowly like a gyroscope in space spinning once per day while it “circles” the sun during its annual course. Despite of observing the sky from the "moving point of view", ancient astronomers were able to discover and … [Read more...]
Ancient Timekeepers, Part 1: Movements of the Earth
Ancient Timekeepers It seems that ancient people had knowledge about the astronomical cycles of the Earth equal to our modern knowledge. Explore with us how the ancient astronomers could have discovered and precisely measured these cycles without any prior knowledge about them and without advanced technology we have today. This article is presented in 3 separate parts (part … [Read more...]