Monthly Archives: August 2020

The four inventions I learned this week are the universities, the winepress, the ribbed vault, and the chimney.   The first invention is the university.  A university is a place where kids can go to college.  There are positive and negative impacts on history.  A lot of smart people came out of universities, but the kidsContinue reading “Week 11 Inventions”

Today I am talking about Al-Khwarizmi who was considered The Father of Algebra.  Al-Khwarizmi did not invent algebra. He only combined the basic terms of algebra and wrote a book about it, but because he named it and wrote about it, he is considered the father of algebra.  Back then a lot of people didContinue reading “The Father of Algebra”

The Romans Loved to make glass.  They did it on a regular basis, but when the Roman Empire started to collapse people moved out of Rome.  The people who had moved out of Rome still wanted to make glass.  Sadly they did not have the tools.  When the Roman Empire collapsed, the making of glassContinue reading “How the Roman Empire Affected Glass”

My Favorite invention so far is the crossbow because I like archery and I think that it is a very fascinating invention.  A crossbow at its most basic is a bow mounted on a stick.  It has a mechanism to catch and hold the bow string after pulling the crossbow back and a triggering deviceContinue reading “My Favorite Invention”

If someone relies on slaves to do their work that person will not care how efficient or how hard it is to do that work.  For example, the Greeks did not believe in work and had lots of slaves.  When the Greek empire started to fall, they started to lose all of their slaves, andContinue reading “How Small Inventions Affect Capital”