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I learned about two inventions this week.  The Mercator Projection Map and the Backstaff. The first invention is the Mercator Projection Map.  The Mercator Projection Map is a map that takes the globe and flattens it out.  It also keeps angles and shapes, but the size and curvature is inaccurate.  It impacted history because withContinue reading “Week 19 Inventions”

I learned about two inventions this week.  The Heliocentric theory, and the pencil.   The first invention is the Heliocentric theory.  The Heliocentric theory is the theory which the Earth and planets revolve around the Sun at the center of the Solar System.  It impacted history because the Heliocentric theory helped start the scientific revolution.Continue reading “Week 18 Inventions”

I learned about two inventions and two inventors this week: the mariner’s astrolabe, double entry bookkeeping, Luca Paciolo, and Leonardo de Vinci.   The first invention is the mariner’s astrolabe.  The mariner’s astrolabe is an item that helps determine latitude by using the stars, which I think is really cool because I love outer space.Continue reading “Week 17 Inventions and Inventors”

I learned about four inventions this week: chess, the arquebus, the printing press, and the mainspring. The first invention is chess.  Chess is a game that is played by two people and helps teach strategy which I think is very fascinating because very few games like that were played back then.  It had an impactContinue reading “Week 16 Inventions”

I learned about four inventions this week: the English longbow, spurs, the blast furnace, and plate armor. The first invention is the English longbow.  The English longbow is really just a much bigger bow and is about six feet tall.  It impacted history because the longbow could penetrate heavy armor.   The next invention are theContinue reading “Week 15 Inventions”

I learned about three inventions this week: spectacles, mechanical clocks, and paper mills. The first invention is the spectacles.  The spectacles are two frames with lenses in them.  They impacted history because even after one’s eyesight becomes fuzzy one can still see with spectacles. The next invention is the mechanical clock.  The mechanical clock isContinue reading “Week 14 Inventions”

I learned about four inventions this week, and they are the button, oil paint, the cannon, and the spinning wheel. The first invention I learned this week was the button.  A button is a kind of fastener that is usually round and is sewn to the cloth in the center.  It impacted history because itContinue reading “Week 13 Inventions”

I learned about four inventions this week which all have had an impact on history. The first invention I learned about this week is the Trebuchet.  The Trebuchet is a catapult like device that hurls projectiles.  It has a leaver, a counterweight, and a sling. It impacted history because Kublai Khan used the Trebuchet toContinue reading “Week 12 Inventions”

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”