Cycles of Change

Engineering practical systems and exploring the physical world.

Halloween in the United States grew in layers. Each group that touched the holiday left something behind for the next group to build on. Old church customs for the dead, Irish and Scottish folk games, small-town pranks, suburban family life, candy ads and modern retail all added a piece. These [...]
Going without food alters the body in ways that reach far beyond weight loss, while the most notable changes take place inside the brain. When regular meals stop arriving, the body burns through its quick energy fuel and switches over to stored fat for energy. That switch sets off chemical [...]
A modern mind spends much of its time in places that do not exist, rehearsing disasters, replaying conflicts, and measuring circumstances against polished accounts of others. This habitual displacement turns the present moment into a waiting room for a life that seems always to be arriving. The [...]
We tend to picture religious founders somewhere grand, seated on golden thrones or standing behind heavy wooden altars with candlelight on their faces. The truth is dustier. It smells of sweat and sun-baked earth, and it sounds like sandals on gravel. Jesus of Nazareth and Siddhartha Gautama lived [...]
Rudyard William Lynch built a broadcasting empire on his own terms. He held no university fellowship, sought no network television slot, and answered to no editorial board. He set up a microphone, started talking, and let the audience decide. Over a decade, that decision produced one of the most [...]
A television loses value the moment a customer buys it, and a car loses value the moment a driver steers it off the dealership lot. These items function as consumer goods. Industrial systems produce them in high volume, and their prices fall over time as physical parts wear down. The American [...]