The Blackberry is a handheld wireless Personal Data Assistant (PDA) and communication device.
History Explorer Results (1260)
Related Books (350)

Grade Range:
K-12
Resource Type(s):
Artifacts
Date Posted:
12/30/2020
Despite disruption resulting from the suspension from Central High School and the later closure of all of Little Rock’s public schools to avoid integration, Minnijean Brown graduated on schedule in 1959 from New Lincoln School in New York City. New Lincoln School was a private, integrated school f

Grade Range:
K-12
Resource Type(s):
Artifacts, Primary Sources
Date Posted:
7/8/2008
The Apple Macintosh introduced a graphic user interface (GUI) to the Apple line of computers. The idea had originated at Xerox's Palo Alto Research Center in the 1970s, but Xerox was slow to commercialize it. Apple proved far more successful when it introduced the Macintosh in January 1984, with

Grade Range:
K-12
Resource Type(s):
Reviewed Websites
Date Posted:
9/11/2008
This site is the official National Park Service website of the Brown v. Board of Education National Historic Site. It is a great source of historical information about the ruling, and has information about Monroe Elementary School in Topeka, Kansas, which was one of the segregated schools African

Grade Range:
K-12
Resource Type(s):
Reviewed Websites
Date Posted:
9/16/2008
El sitio de web de este centro académico de Puerto Rico provee algunos enlaces importantes a su propia biblioteca y también a otros sitios relevantes. Debajo de la sección a la izquierda que se llama “Biblioteca” hay una multitud de opciones para investigar temas variados de la historia pu

Grade Range:
K-12
Resource Type(s):
Artifacts, Primary Sources
Date Posted:
3/16/2009
This bassinet quilt with a framed center design is made of high quality plain blue and white cotton feed sack fabrics. Mrs. Dorothy Overall of Caldwell, Kansas, a contestant in many sewing events in the 1950s and 1960s, pieced and appliquéd this quilt on a Pfaff sewing machine she had won in a c

Grade Range:
K-12
Resource Type(s):
Artifacts, Primary Sources
Date Posted:
3/10/2009
Hattie Carnegie, one of a few female entrepreneurs in the early to mid-20th century, was born Henrietta Kanengeiser in Vienna, Austria, in 1886. She came to the United States in 1892. Her first job was as a messenger, sometime milliner, and model in Macy's department store. She decided to change

Grade Range:
K-12
Resource Type(s):
Artifacts, Primary Sources
Date Posted:
9/24/2009
La Llorona, or the Weeping Woman, is the frightening figure of a heartbroken woman who drowned her children and haunts the night, especially by riversides. Her story is repeated to children throughout Latin America, with numerous versions circulating throughout Mexico and the American Southwest.

Grade Range:
K-12
Resource Type(s):
Artifacts, Primary Sources
Date Posted:
3/10/2009
Samuel F. B. Morse (1791-1872), an artist and inventor of the telegraph, was in Paris in 1839 sharing the scientific and celebrity stage with Daguerre. The two inventors shared notes on their inventions and Morse returned to the US with a camera, perhaps the first camera in the United States...

Grade Range:
K-12
Resource Type(s):
Artifacts, Primary Sources
Date Posted:
11/10/2010
Edwin McMillan shared the 1951 Nobel Prize in Chemistry with Glenn Seaborg. McMillan discovered element 93, or neptunium, in 1940 while working on the world's largest cyclotron at the Lawrence Livermore National Laboratory. Seaborg's discovery of element 94, or plutonium, was based on McMillan's

Grade Range:
K-12
Resource Type(s):
Artifacts, Primary Sources
Date Posted:
9/17/2009
This large, hand-held drum, known in Puerto Rico as a pandereta, is an essential instrument in the musical genre known as plena. The plena was developed by agricultural workers at the end of the 19th century on the southern coast of the island, around the city of Ponce. Consider