Let’s Explore!
Hi! I’m Signore Galilei, and I write books, create educational videos online, and participated in the Inkhaven blogging residency.
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Latest posts:
1960: The Year of Africa
This story starts with me being proven wrong. OK, well really it starts at least several decades ago. But my interaction with it starts with me being proven wrong. I was trying to determine which year saw the most countries gain independence. I was pretty sure that it would be 1991, the year the USSR…
The mountain that weighed the Earth
Suppose you want to find out how much you weigh. It’s easy enough – get a scale, stand on it, and read the number. Now suppose you want to know how much the Earth weighs. You get out a scale and…hmm. What exactly do you do with it? Let’s do a little physics class refresher.…
Why the government’s bank account grew 100x since 2007
Have you ever wondered where the government actually keeps its money? Governments usually get tax revenue in bursts, for example when income taxes come due – April 15th here in the US. They then have to spend all that money over the course of the year. So where do they keep their cash in the…