Math 5th Grade

The Second Great Awakening led to Christian conflict with the Freemasons in New York. John Hascall’s left Freemasonry and met Hiram Moore in Michigan, where Moore built his combine to solve Hascall’s harvesting problems. The combine could harvest 30 acres a day at an 80% reduction in cost of threshing. Moore wasn’t commercially successful, but…

Telephone- The Telegraph, invented in 1835, had rapidly spread throughout the US, thanks to Western Union. Alexander Graham Bell invented the telephone while trying to send multiple signals over a single line. The telephone allows people to have real time conversations and communicate across thousands of miles. Bell put on public demonstrations and formed the…

Dynamite- Gunpower was the strongest explosive until Nitroglycerin, but it was unstable. Alfred Nobel invented dynamite after his brother was killed in an explosion. It is a powerful explosive that is stable and useful for demolishing hard materials. Nobel’s brothers expanded economic output into construction and mining, but it was also used in terrorism. Chuckwagon-…

Flash Memory- Computer Memory began as large magnetic drums and shrank to core Memory and solid-state Memory. Fujio Masuoka invented flash Memory at Toshiba in 1981 after wanting to improve the performance of EEPROM. Flash is dense, reads and writes quickly, and is resistant to environmental shocks. Intel began manufacturing flash Memory chips in 1988,…

TCP/IP Internet Protocol Suite-ARPANET was created by the government to ensure one blast couldn’t disable counterattack capability. Kahn and Cerf developed the TCP/IP Protocol Suite to extend the concept and allow computers to talk to other types of hardware, like satellites. TCP/IP is the set of rules that govern how data will be formatted and…

Polio is a debilitating disease that could permanently cripple or kill its victims. Jonas Salk invented the polio vaccine, and it was announced as safe in 1955. It prevents people from contracting polio, eliminating the fear and effects associated with the disease. Jubilee spread around the world immediately as relief spread throughout nations. Polio has…

Microscope – In the 1880s, we discovered that there were organisms smaller than bacteria, but we couldn’t see them to know for sure. Ernst Ruska invented The Electron Microscope in 1933. It allows us to see very detailed images at the Atomic level. Siemens was first to produce them, and now they’re used in a…

I liked learning about Greek and Latin roots because of the history behind it. The Greeks taught the Romans their gods and culture and then the Romans taught the west. This is a very important event that happened in western civilization otherwise we probably wouldn’t be speaking English.

I would like to learn how to be a Robotics scientist. I have been fascinated with robots especially since I’m typing this on one right now.