Design Challenge: Build a Stomach
In this Design Challenge we will explore how living animals digest food and create energy and wastes by creating a stomach.
Water From Waste Part Two
After testing the design for a simple plastic solar still, we will build a better more efficient model with wood, metal and glass.
From Waste to Water
Using off the shelf buckets, washed sand, gravel, charcoal and was large river stone we can purify even the dirtiest water.
Lessons in Food, Water, and Waste
The Luke Skywalker Effect. We had rice that was contaminated with weevils. So we cooked the rice with star wars still water.
