The National September 11 Memorial & Museum has partnered with the New York City Department of Education and the New Jersey Commission on Holocaust Education to develop a robust set of 9/11 lessons for K-12 classrooms. Each lesson is...

Learn about levers and make the connection between these simple machines and the human body.

This site from the Arlington National Cemetery details information about Leslie Grove's military career and his role in the Manhattan Project. The biographical information is fairly in-depth, and several pictures are included as well.

This online book provides a detailed account of the U.S. creation of the atomic bomb, the attack on Hiroshima and Nagasaki, and the aftermath. Written by The Manhattan Engineer District, a military committee, in 1946.

At this site from Nuclearfiles.org you can read a biography of J. Robert Oppenheimer and about his career as a scientist and his important involvement with the Manhattan Project and Atomic Energy Commission.

This page describes the destruction of the cities after the U.S. bombed Hiroshima and Nagasaki. The information comes from Chapter 7 of the book The Atomic Bombings of Hiroshima and Nagasaki by The Manhattan Engineer District, published...

A map of Manhattan Island in 1776, showing the American defences.

A plan of Upper Manhattan from the Official Automobile Blue Book (1919), showing principal streets and avenues, and chief points of interest in the area.

A map of the Borough of Manhattan from the Official Automobile Blue Book (1919), showing the Hudson River, East River, principal streets and avenues, ferry crossings, bridges, and major landmarks.

A map outlining the Senatorial districts of Manhattan and the Bronx in 1903.

A plan of Lower Manhattan from the 1920 Automobile Club of Rochester, showing principal streets and avenues, and chief points of interest in the area.

A plan of Upper Manhattan from the 1920 Automobile Club of Rochester, showing principal streets and avenues, and chief points of interest in the area.

Lower Manhattan at dusk (New York)

View over Manhattan (New York)

Lower Manhattan seen from Brooklyn Heights Promenade (New York)

Lower Manhattan seen from New Jersey (New York)

Lower Manhattan seen from ferry (New York)

Lower Manhattan (New York)

Lower Manhattan (New York)

A great resource on one of the scientists that worked on the Manhattan Project, Chien-Shiung Wu. Read about some of her contributions to physics, read a brief overview of the Manhattan Project, and learn about the law of Parity, an idea...

This resource describes the world's first nuclear reactor and the role which it played in the Manhattan Project. Also discussed are topics such as the goal of plutonium development for nuclear weapons, the goals of the top-secret,...

An indexing page which links to several pages of letters, diary excerpts, public reports, and personal correspondence relating to the use of the first atomic bomb. Includes letters and petitions drafted by scientists involved with the...

Describes the design of the first nuclear reactor by Enrico Fermi and his successful development of a self-ustaining nuclear chain reaction. Describes the evolution of the Manhattan Project and their race to develop the first atomic...

Students learn about nuclear technologies in the 20th century. Some topics explored are splitting the atom, the Manhattan Project, and power plants. The resource includes historical information, a timeline, and a personal essay by a key...