(1942–45) U.S. government research project that produced the first atomic bomb. In 1939 U.S. scientists urged Pres. Franklin D. Roosevelt to establish a program to study the potential military use of fission, and $6,000 was appropriated. By 1942 the project was code-named Manhattan, after the site of Columbia University, where much of the early research was done. Research also was carried out at the University of California and the University of Chicago. In 1943 a laboratory to construct the bomb was established at Los Alamos, N.M., and staffed by scientists headed by J. Robert Oppenheimer. Production also was carried out at Oak Ridge, Tenn., and Hanford, Wash. The first bomb was exploded in a test at Alamogordo air base in southern New Mexico. By its end the project had cost some $2 billion and had involved 125,000 people.
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U.S. research effort initiated in 1990 by the U.S. Department of Energy and the National Institutes of Health to analyze the DNA of human beings. The project, intended to be completed in 15 years, proposed to identify the chromosomal location of every human gene, to determine each gene's precise chemical structure in order to show its function in health and disease, and to determine the precise sequence of nucleotides of the entire set of genes (the genome). Another project was to address the ethical, legal, and social implications of the information obtained. The information gathered will be the basic reference for research in human biology and will provide fundamental insights into the genetic basis of human disease. The new technologies developed in the course of the project will be applicable in numerous biomedical fields. In 2000 the government and the private corporation Celera Genomics jointly announced that the project had been virtually completed, five years ahead of schedule.
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Helix is a project to produce software that can play audio and video media in various formats, aid in producing such media, and serve them over a network. It is intended as a largely free and open source digital media framework that runs on numerous operating systems and processors (including mobile phones) and was started by RealNetworks which has contributed much of the code.
Helix DNA Client is the multi-platform multi-format media playback engine. Helix Player is a media player that runs on Linux, Solaris, Symbian and FreeBSD and is built on top of Helix DNA Client. Helix Producer is an application that can aid in the production of media files, and Helix DNA Server can stream media files over a network.
The code is released in binary and source code form under various licenses, notably the proprietary RealNetworks Community Source License and the free and open source software RealNetworks Public Source License. Additionally, the Helix DNA Client and the Helix Player are licensed under the popular GNU General Public License (GPL) free and open source license.
Use of the RDT, the default proprietary Real data transport, and of the RealVideo and RealAudio codecs requires binary components distributed under the Helix DNA Technology Binary Research Use License.
Another project that is taking advantage of the Helix DNA Client is the One Laptop Per Child project. A group of developers from the Open Source Lab are currently working on a media player API for the project, and will continue on using other Helix technologies to create applications for content creation and content collaboration.
Helix DNA client contains support for the following media formats:
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