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GPS Technology Explained: From Simple Positioning to Global Navigation

2024-12-18

This article provides a comprehensive explanation of GPS technology. Starting with a simple 2D positioning system, the author gradually introduces key concepts such as 3D positioning, time measurement, satellite orbits, relativistic effects, and signal processing. Through clever analogies and vivid illustrations, the author explains how GPS uses signals emitted by satellites, combined with time and distance measurements, to accurately calculate the receiver's position and time offset. The article also explores the technical details of GPS signal encoding, decoding, and anti-interference capabilities, showcasing the profound scientific and engineering foundation behind GPS technology.

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(ciechanow.ski)
Tech Global Positioning System Satellite Navigation

The Moon: A Captivating Cosmic Journey

2024-12-17

This article takes a captivating journey through the intricacies of the Moon's motion, the Earth-Moon system, and the dynamics of a three-body system within our solar system. Using interactive demonstrations, the author explains phenomena like lunar orbits, tides, solar and lunar eclipses, and reveals the formation of lunar surface features and the reasons behind the Moon's brightness. Covering concepts such as gravity and the conservation of angular momentum, the article explains complex astronomical phenomena in an accessible way, making it a scientifically engaging and entertaining read.

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(ciechanow.ski)
Misc Moon Cosmos