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How Do Fingerprint Patterns Form?
We just learned a bit about the history of the study of fingerprints. Now let's learn about how fingerprints form. How do those patterns end up on yo…
1 day, 8 hours ago
The Diffusion Equation Part 2: Dimensional Analysis and Self-Similarity
In the previous tutorial we introduced the wave equation, and learned one way to solve it. Now let's look at another method for getting a solution. T…
1 day, 9 hours ago
Exact First-Order Differential Equations
We've looked at a few simple examples of first-order differential equations and how to solve them. Now let's take a look at exact first-order differe…
1 day, 9 hours ago
Accuracy and Precision for Data Collection
In science, we love data! But what are the rules of data collection? How accurate and how precise can we get with our data? What do these words even …
1 day, 9 hours ago
The Wave Equation Part 2: Multidimensional Waves and Dispersion
We just learned about the wave equation in one dimension, so what happens when we move to higher dimensions? What does this look like for a 2D surfac…
1 day, 10 hours ago
Special Relativity Part 1: From Galileo to Einstein
We talked a little bit about relative motion in the classical physics course, with Galileo dropping stuff in boats. But once Einstein got his hands o…
1 day, 10 hours ago
The Future of Space Travel: Fusion Engines, Warp Drives, and Wormholes
Okay, we've all dreamed about exploring the universe and finding our own little cosmic vacation bungalow. But these places are really far, so how can…
1 day, 11 hours ago
Regulation of Gene Expression: Operons, Epigenetics, and Transcription Factors
We learned about gene expression in biochemistry, which is comprised of transcription and translation, and referred to as the "central dogma" of mole…
1 day, 11 hours ago
Class Actinopterygii Part 2: Respiration and Buoyancy
Now that we know a bit about the anatomy of the bony fish, let's talk about breathing, buoyancy, and regulation. Fish need to breathe oxygen just lik…
1 day, 12 hours ago
Steve Kirsch: King Douche of the Anti-Vaxxers
Remember my live debate with Steve Kirsch and Pierre Kory, the idiot anti-vaxxer frauds? Humiliating them live was awesome, but they also deserve to …
1 day, 12 hours ago