How Gps Works Using Relativity

~60 min · 15 stations

Conductor

Welcome aboard this journey through space and time. We are tracking the invisible signals that guide your daily path using the secrets of Einstein’s universe.

What you will learn

Read the stations in any order. Sign in to take the quizzes and earn Miles.

FOUNDATION

Establishes the core vocabulary and essential context you need before going further.

• Identify how satellite signals determine global coordinates

Station 01: The Basics of Global Positioning▶

• Define the necessity of precise atomic clocks

Station 02: Timekeeping in Orbit▶

• Explain the role of light speed measurements

Station 03: The Speed of Light Constant▶

CORE CONCEPTS

Unpacks the ideas and principles that the subject is built on.

• Summarize time dilation for moving objects

Station 04: Special Relativity Basics▶

• Describe gravity effects on time flow

Station 05: General Relativity Basics▶

• Calculate time shifts from orbital speed

Station 06: Satellite Velocity Factors▶

• Compare gravity at orbit versus surface

Station 07: Gravitational Potential Differences▶

MECHANICS

Examines how things actually work — the processes, rules, and systems in action.

• Synthesize motion and gravity clock shifts

Station 08: Combining Relativity Effects▶

• Design methods for satellite clock adjustment

Station 09: Engineering the Correction▶

• Evaluate impact of relativity on navigation

Station 10: The Resulting Accuracy▶

APPLICATION

Puts knowledge to use through real-world scenarios and practical problems.

• Analyze ionosphere impact on signal speed

Station 11: Signal Transmission Delays▶

• Adjust for Earth spin during signal relay

Station 12: Earth's Rotation and Geometry▶

• Process multi-satellite data on devices

Station 13: User Device Calculations▶

SYNTHESIS

Connects everything together and explores broader implications and open questions.

• Review historical context of relativity usage

Station 14: Einstein's Legacy in Tech▶

• Predict next steps for space-based time

Station 15: Future Navigation Challenges▶

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General Public / 9th GradeAI Generated · gemini-3.1-flash-lite

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