All in History

Harry S. Truman Presidential Style

President Harry S. Truman, who served as the 33rd President of the United States from 1945 to 1953, is widely recognized for his strong and decisive leadership during some of the most challenging times in American history. Truman assumed the presidency after the sudden death of President Franklin D. Roosevelt, and he faced numerous critical decisions and events that shaped the post-World War II era.

WWI Rations

During World War I, rations were the primary source of food for soldiers in the trenches. The rations provided to soldiers varied depending on the country and the availability of resources. Here are some general examples of World War I rations:

Thomas Jefferson Inventions

Thomas Jefferson, the third President of the United States, was a polymath with many interests and accomplishments. While he is best known for his political career and role in drafting the Declaration of Independence, he also made significant contributions to science, architecture, and technology. Here are some notable inventions and innovations associated with Thomas Jefferson:

American Revolution Technology

The American Revolution, which took place from 1775 to 1783, was a war fought between Great Britain and its thirteen North American colonies, which eventually declared themselves the independent United States of America. During this period, several technological advancements and innovations played a role in shaping the course and outcome of the conflict. Here are some key technological aspects of the American Revolution

The First Semiconductor

The first semiconductor device is generally considered to be the point-contact diode, also known as the "cat's whisker" diode, invented by Jagadish Chandra Bose in 1899. This early semiconductor device was made using a semiconductor material (typically a mineral called galena) and a metal point contact. It allowed the flow of electric current in only one direction, making it a rudimentary rectifier.