One of my least favorite electrical engineering courses in college was on signals and communications. I remember there being a lot of Fourier Transforms. I also remember falling asleep a lot, because it was a two-hour lecture with the lights turned off. Maybe if the demos were more visual like this, I would’ve stayed awake. (Probably not.)
Visual introduction to the Fourier Transform
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Finding the New Age, for Your Age
You’ve probably heard the lines about how “40 is the new 30” or “30 is the new 20.” What is this based on? I tried to solve the problem using life expectancy data. Your age is the new age.
Restless Sleep With Age
It seems like no matter what I do, I cannot sleep through the night. Will it ever let up? According to the data, the answer is no and it will only get worse.
Impact on Households in the United States
The Census Bureau has been running the Household Pulse Survey since April 23, 2020 to get some gauge for how the pandemic is changing things at home. Here’s how things look so far.