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Types of Triangles in Euclidean Geometry
If a shape is made of straight line segments, the minimum number of sides it can have is three. And three sides make a triangle! I'm sure you knew th…
an hour ago
Special Relativity Part 2: Time Dilation and the Twin Paradox
We got our feet wet with special relativity, so now let's head to the deep end! Remember in Interstellar when what's his face went down to that one p…
an hour ago
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…
an hour 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…
2 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…
2 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 …
2 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…
3 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…
3 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…
4 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…
4 hours ago