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February 21, 2021

A-mazing Cubes II: The Flattening

Unfolded Oskar's Cube

After a longer than expected delay, MazeCubeGenerator now has the ability to produce 3D models that should be easier to print on a typical 3D printer.

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  • Tagged 3D, 3D modeling, 3D printing, flat pack, mazes, puzzles, unfolded
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December 17, 2020

Throwback Thursday: Anti-Helo Kitty

Shows layout of Snap Circuits project 142

Long long ago in the before time (the night before our very first post, to be precise), one of our resident felines found our geeky forms of entertainment irresistible.

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  • Tagged cat, snap circuits, throwback thursday
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December 5, 2020

Tragic Loss

On 2020-12-01, the scientific community suffered a terrible loss.  Not only did the Arecibo telescope collapse, but another great scientific icon also fell.

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  • Tagged cat, caturday, in memoriam, radiometer
  • 3 Comments
November 29, 2020

A-mazing Cubes

Oskar's Cube

Long ago, I came into possession of an Oskar’s Cube and have often wondered how difficult it is to create mazes of that type.  Clearly it could be more complicated than a simple 2D maze.  So, I decided to find out.

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  • Tagged 3D, 4D, hyperdimensional, maze generation, maze solving, mazes, puzzles
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May 29, 2020

Followup: Dalgona 2ᵏ Showdown, Espresso vs. Coffee

Jars of Folgers classic roast instant coffee and Medaglia D'oro instant espresso next to two styles hand mixer beaters

Our recent look at preparation times for Dalgona coffee produced data that lent itself to 2ᵏ analysis.  However, a closer look at the collected data indicated that with a single extra trial we could compare the variation explained by instant coffee type and beater type.

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  • Tagged 2ᵏ, coffee, Dalgona, espresso, statistics, time, whipped coffee
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May 26, 2020

2ᵏ Analysis of Dalgona Coffee Preparation Time

Finished dalgona coffee foam on beaters showing soft peaks

Our recent investigation into the preparation time of Dalgona whipped coffee left us with a pile of timing data.  Some of that data happened to be compatible with 2ᵏ factorial experimental design.  So, why not complete the analysis and see what we find?

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  • Tagged 2ᵏ, coffee, Dalgona, experimental design, statistics, time, whipped coffee
  • 1 Comment
May 24, 2020

Dalgona it!

dalgona coffee

Dalgona coffee: fluffy, caffeinated, photogenic, and… exhausting? With claims it can take an obscene amount of whisking to make, we wondered what factors influenced the amount of time needed to make this novel beverage.

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  • Tagged coffee, Dalgona, drinks, mixing, time
  • 2 Comments
May 18, 2020

Taking Salt with a Grain of Statistics

One Tablespoon of Salt

While investigating the differences in kosher salt brands, it was observed that two boxes of the same brand had surprisingly different densities.  But were those differences statistically significant?

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  • Tagged confidence intervals, density, hypothesis testing, kosher salt, mass, normality, quantile-quantile plot, salt, statistics, t-test
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May 17, 2020

Taking recipes with a grain of salt

50 mL beakers filled with salt

When recipe calls for a tablespoon of “kosher salt” that seems like a simple instruction, right?

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  • Tagged mass, salt, volume
  • 1 Comment
May 14, 2020

Logical Fallacy Awareness Through Gamification

Logical Fallacy Bingo Board

Due to the huge popularity of Cognitive Bias Bingo, we are proud to introduce Logical Fallacy Bingo.  As with its predecessor, Logical Fallacy Bingo uses gamification to raise awareness of logical fallacies on social media.

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  • Tagged bingo, gamification, logical fallacies, logical fallacy
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Recent Posts

  • A-mazing Cubes II: The Flattening February 21, 2021
  • Throwback Thursday: Anti-Helo Kitty December 17, 2020
  • Tragic Loss December 5, 2020
  • A-mazing Cubes November 29, 2020
  • Followup: Dalgona 2ᵏ Showdown, Espresso vs. Coffee May 29, 2020

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