Cycles of Change

Engineering practical systems and exploring the physical world.

Nature

Defending the physical world. We examine the fragile balance of local ecosystems and the urgent need to protect our remaining wilderness.

Driving past irrigated cornfields across western Kansas in late July presents a landscape of dazzling green. Center-pivot sprinklers rotate slowly across quarter-mile fields, throwing silvery arcs of water into hot afternoon air. Beneath the crops lies an ancient underground sea that makes this [...]
A community begins to fall apart the moment its members stop working the land beneath their feet and stop relying on the people living beside them. Modern apartment blocks and factory food quietly replace the old knowledge that once bound neighbors together, and without that knowledge, the group [...]
There is a common idea in economics that says humans are so creative and adaptable that we will always find a way around scarcity. When something runs low, the price rises, people innovate, and a solution appears. This has been true in some cases. But there are limits that human ingenuity cannot [...]
Highway shoulders across the country show a startling growth of discarded tech trash resting in the grass. Drivers toss spent plastic vapes out car windows without thinking about the toxic waste left behind on the dirt. These bright plastic tubes hold lithium battery cells, metal coils, tiny chips, [...]
The quiet fields of Wiltshire, England, hold a secret that has puzzled the world for decades. These fields are home to crop circles. These are large and complex patterns etched into crops like wheat and barley. They often appear suddenly during the night. This phenomenon captures the imagination of [...]
For centuries, travelers debated the ideal speed of a journey. While motorized vehicles cross vast distances quickly, bicycle touring reveals the landscape. Slow pedaling forces connection with nature. Every hill is a victory. In this way, the chosen machine dictates the depth of the experience. [...]