Interactive Demo

The Yam Relay System Simulator

The Yam Relay System Simulator is a free, interactive learning demo from the World History Volume 1 course on Lykke. It helps you build intuition for Feudalism, Mongol Conquests, Mesoamerican Civilizations, The Black Death. Play with it directly in your browser — it features 3 sliders, 1 button and a live visual canvas. This demo lives in the “The Post-Classical World and the Americas” section of the course.

Preview of the The Yam Relay System Simulator interactive demo
Preview of The Yam Relay System Simulator — play the live version below.
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How to use this demo

  1. Drag the “Empire Distance: 3000 km”, “Yam Efficiency: 95%” sliders to change the inputs and watch the result update live.
  2. Use the “Dispatch Couriers” button to trigger actions or reset the demo.
  3. Experiment freely — there's nothing to break, and every change is reversible.

What you'll explore

Frequently asked questions

What does the The Yam Relay System Simulator demo do?

The Yam Relay System Simulator Empire Distance: 3000 km Yam Efficiency: 95% Dispatch Couriers Adjust the sliders and click "Dispatch" to compare the Mongol Yam system against a traditional messenger. The Yam Relay System Simulator lets you explore this hands-on instead of only reading about it.

What World History Volume 1 concept does The Yam Relay System Simulator teach?

Examines the late medieval period in Europe, the impact of the Mongol Empire, and the complex civilizations of the Americas prior to 1500. It focuses on Feudalism, Mongol Conquests, Mesoamerican Civilizations, The Black Death from the “The Post-Classical World and the Americas” section.

What can I control in The Yam Relay System Simulator?

The “Empire Distance: 3000 km”, “Yam Efficiency: 95%” sliders change the key inputs; the “Dispatch Couriers” button run actions or reset the demo. Every change updates the visualization in real time, so you can see exactly how each variable affects the outcome.

How does The Yam Relay System Simulator fit into the World History Volume 1 course?

OpenStax World History, Volume 1: to 1500 provides a comprehensive global narrative of human history from its earliest origins to the dawn of the modern era. The course emphasizes critical thinking and primary source an… This demo is the interactive piece for the “The Post-Classical World and the Americas” section. Open the full World History Volume 1 course wiki at https://www.getlykke.com/explore/public/world-history-volume-1-c7be9c73-47b4-435a-bfa2-8946f05fb89e for notes, flashcards, quizzes and the other demos.

What will I understand better after using The Yam Relay System Simulator?

You'll build intuition for Feudalism, Mongol Conquests, Mesoamerican Civilizations, The Black Death — and, crucially, see how they behave when you change the inputs, which is hard to get from a textbook or lecture on World History Volume 1 alone.

From the World History Volume 1 course

This interactive demo is part of the The Post-Classical World and the Americas section. Explore the full World History Volume 1 course wiki on Lykke — with notes, flashcards, quizzes and more interactive demos.

Open the World History Volume 1 course →