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Fischer-Tropsch Synthesis of Petroleum
A very interesting early industrial process is the synthesis of petroleum from coal, developed by German chemists Franz Fischer and Hans Tropsch. Let…
1 week, 2 days ago
Introduction to Geometry: Ancient Greece and the Pythagoreans
I have to tell you, Ancient Greece is my favorite era of history. Oh, how I wish I could have been there to philosophize with the greats! Socrates, P…
1 week, 3 days ago
Solving Exponential and Logarithmic Equations
Now that we know how to use logarithms, we are ready to solve a whole new class of equations that we couldn't before! Whether these are logarithmic e…
1 week, 3 days ago
What is Light? Maxwell and the Electromagnetic Spectrum
Up until a couple centuries ago, we had no idea what light is. It seems like magic, no? But there is no magic in this world, really. Just stuff we do…
1 week, 3 days ago
COVID Origins: Debunking the Grift, Pseudoscience, and Politics of the Lab Leak Theory
Remember the COVID-19 pandemic? That was crazy, right? And did you hear that the virus responsible, SARS-CoV-2, leaked from a virology lab in Wuhan? …
1 week, 3 days ago
Reacting to Braindead Apologist on the Origin of Life
Today we are reacting to some jerk named Don Batten who really hates the idea that life on Earth came about by natural processes, because it contradi…
1 week, 3 days ago
Standing Waves and Harmonics
Not all waves travel across the ocean or across the universe. Some are stuck in a certain spot! Like the vibrations of the strings on a guitar. What'…
1 week, 3 days ago
Ancient China Part 2: The Zhou Dynasty (1000 – 200 BCE)
After learning about the Shang Dynasty, it's time to move on to the Zhou Dynasty. This will include the Western Zhou of the 11th through 8th centurie…
1 week, 3 days ago
Angular Motion and Torque
More spinning things! Records, and wheels, and doors, and other fun things. The equations that govern this kind of motion are just like the ones we l…
1 week, 3 days ago
The Eastern Mediterranean Part 4: The Phoenicians (1500 – 100 BCE)
We've talked about the Israelites at great length, but just next door in the northern part of Canaan was an incredible group of people known as the P…
1 week, 3 days ago