Monthly Archives: October 2020

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”