Sometimes our mathematical hacks point to strange new aspects of reality. For example Max Planck used a quantization trick to figure out the spectrum of light emitted by hot objects. The quantization part of his math trick was meant to...

In this video Paul Andersen explains how matter and energy are conserved within the Earth's system. Matter is a closed system and Energy is open to the surroundings. In natural systems steady state is maintained through feedback loops...

Let me tell you a story about virtual particles. It may or may not be true.

* Viewer discretion advised. This video includes discussion of mature topics and may be inappropriate for some audiences. Hans Rosling unveils data visuals that untangle the complex risk factors of one of the world's deadliest (and most...

Today Shini explains the law of conservation, beginning with simple, steady-state systems. We’ll discuss conversion and yield, accumulation, and how generation and consumption can affect how much accumulation there is in a system.

In this video Paul Andersen explains how Kirchhoff's Junction Rule can be applied to series and parallel circuits. Kirchhoff's Junction Rule is an application of the conservation of charge. The current into a junction will always equal...

In this video Paul Andersen explains how Kirchoff's Loop Rule can be used to calculate the voltage of different components of a circuit. The sum voltage throughout an entire loop will sum to zero following the law of conservation of...

Find the energy stored in the capacitor and the inductor at steady-state

The switch was OPEN for a long time before t = 0. At time t = 0, the switch is closed. What is the voltage VAB at time t = 0+? What is IL(t) at time t = 1 ms?

The switch was closed for a long time before t = 0. Current measured by ammeter is 1 A at t = 0-. At time t = 0, the switch is opened. What is the value of the unknown voltage? What is ammeter’s reading at time t = 0+ s? What is...

Explore the dynamics of RC circuits in this informative lesson. Unveil the charge and current as functions of time within an RC circuit. We dive into the Kirchhoff’s Loop Rule and differential equations to derive key insights. Witness...

Today, we're diving deep into LR circuits, deriving equations for current and its time rate of change. Closing the switch at t equals zero, we employ Kirchhoff’s Loop Rule, employing u-substitution for a smoother journey. Through...

Today we explore the intriguing concept of time constants in LR circuits. Building on our previous derivations, we unravel the significance of the time constant, expertly explained by Bobby. The time constant, represented as the ratio of...

29 Buck Converter Introductory Basics | Power Electronics

Lab 3 Buck Converter in LTSpice | Power Electronics

30 Buck Converter Analysis | Power Electronics

Basics of Power Electronics - Walid Issa<br/>
18 Which Switch to Choose ? | Power Electronics

The video discusses two theories that try to explain the expansion and evolution of the universe - the steady state theory and the Big Bang theory. The video covers the concept of redshift of light exhibited by galaxies moving away from...

Here I derive part of the equation of motion for a spring mass damper system experiencing a sinusoidaly varying force. This is only the particular solution - Ie, the steady state solution. The total solution is x(t) = x_p + x_h where x_h...

Fick's First Law (1): Diffusion, Flux, and Concentration Gradients

Fick's First Law (3): Graphical Estimation of Concentration Gradient

Complex Mechanisms: Steady-State Approximation

This is a summary of all the videos we've made so far. Notice that our total response = our steady state (particular solution) + our transient (homogeneous solution).



In most Engineering applications we will only focus on the...

Anna McGowan, NASA’s Senior Engineer for Complex Systems Design, discusses engineering trends and the impact of rapid technology changes.