Intellect PlusThermodynamics & heat
9 cards. Each one is a 40-second story with a five-minute read behind it.
Why your energy bank account follows a strict cosmic ledgerThe universe operates on a strict accounting system where energy can never be created or destroyed, only moved. While heat and work are the messy transactions of the physical worl…
Why the same gas behaves differently under pressure and volumeDoes heat always behave the same way? In thermodynamics, the answer depends entirely on your constraints. Depending on whether you keep pressure constant or volume fixed, a substa…
Why your car engine can never reach 100% efficiencyEvery time an engine burns fuel, it creates motion. But physics dictates a strict tax on that energy. You cannot turn all heat into work; some must always be wasted. This fundamen…
Moving Heat: The Thermodynamics Behind Your Fridge and ACMost people think refrigerators create cold, but they actually move heat. This video explains the thermodynamic principles of heat pumps and refrigeration, breaking down the physi…
Why does heat always flow from hot to cold?Entropy is one of the most misunderstood concepts in physics. This video clarifies the different ways we define it—from microscopic states to macroscopic heat flow—to explain why …
The theoretical limit of how much work we can extract from heatDiscover the Carnot cycle, the idealized model that defines the maximum possible efficiency of any heat engine. This video uses animations to break down the physics of reversible …
How Heat Moves: The Three Fundamental Mechanisms of Energy TransferUnderstanding how heat travels is fundamental to physics. This tutorial breaks down the three distinct ways energy moves—conduction, convection, and radiation—using everyday examp…
Why your coffee cools down but never spontaneously boils itselfThe universe has a strict rule about the flow of energy: it prefers to spread out. This fundamental principle dictates why heat moves from hot to cold and sets the ultimate limit …
Why your electricity bill might be hiding the true cost of energyWe often measure energy by what we use at the plug, but that number ignores the massive losses and conversions happening behind the scenes. To understand the true impact of our po…