The “equal transit time” theory taught in most textbooks is demonstrably false. Wind tunnel experiments, NASA analysis, and a century of aerodynamic research reveal what actually keeps 412,000-kilogram aircraft airborne.
Evergreen Physics & EngineeringThe world burns over 100 million barrels of oil every day. Each barrel took millions of years to form. Here is the geological story of fossil fuel formation, from dead plankton to the kerogen cooking in Earth’s crust.
Evergreen Physics & EngineeringArtemis 2 is not a victory lap. It is a 10-day stress test of every system that must work before NASA sends astronauts to the lunar surface, from life support never tested with crew to a heat shield that cracked on its first flight.
Evergreen Physics & EngineeringSoftware bugs cost the U.S. economy over $2 trillion annually, and mathematics proves we can never eliminate them entirely. Three theorems from the 20th century explain why perfect software verification impossibility is a law of nature, not an engineering shortcoming.
Evergreen Physics & EngineeringA single uranium fuel pellet, smaller than a sugar cube, holds as much energy as a tonne of coal. Here is how nuclear reactors generate electricity by splitting atoms, boiling water, and sending power to the grid.
Evergreen Physics & EngineeringHumanoid robots have crashed below $16,000, and factories from BMW to BYD are already deploying them. The economics are brutal, the subsidies are enormous, and the production ramps are unlike anything the robotics industry has seen. Here is what is actually happening.
Evergreen Physics & EngineeringModern megafires don’t just burn through landscapes. They generate thunderstorms, spawn tornadoes, and inject smoke into the stratosphere with the force of a volcanic eruption. Here’s the fluid dynamics that makes it happen.
Evergreen Physics & EngineeringFive independent lines of dark matter evidence converge on the same conclusion: 85% of the universe’s mass is invisible. After 93 years and detectors three million times more sensitive than the originals, we still have not caught a single particle.
Evergreen Physics & EngineeringThe physics behind nuclear weapons explains why a few kilograms of metal can level a city, how fusion multiplies that force a thousandfold, and why making a bomb ten times more powerful does not make it ten times more destructive.
Evergreen Physics & EngineeringSatellites don’t float in space. They fall toward Earth every second of every day. The trick is they move sideways so fast that the ground keeps curving away beneath them, turning a plunge into an endless loop.
Evergreen Physics & EngineeringQuantum computers just proved they can outperform classical supercomputers on specific tasks. But what does “quantum advantage” actually mean, and how far are we from machines that change the world?
Evergreen Physics & EngineeringEvery rechargeable battery is a reversible chemical reactor where ions shuttle between electrodes billions of times. Here is how intercalation, electrolytes, and degradation actually work, from the atomic scale to the grid.
Evergreen Physics & Engineering
