While modern devices rely on electronics and satellites, this ancient principle harnesses nothing but sunlight and geometry. This equatorial sundial in Rio de Janeiro is not just a clock—it’s a demonstration of Earth’s movement and tilt in real time. Designed with precision, the gnomon’s angle matches the 23.5° axial tilt of our planet, allowing it to track time accurately throughout the year.
Such designs date back thousands of years, proving that humanity’s fascination with time and the cosmos runs deep. It’s not just a timepiece—it’s a timeless tribute to astronomy and engineering.
,EngineeringFacts ,Sundial ,SolarTime ,AncientEngineering ,EarthTilt
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