Ivar Jacobson created the first use case model in 1987 while working at Ericsson. It started as a tool for developing complex ...

Cosmologists are finally beginning to sketch a coherent picture of the universe we cannot see, using exquisitely detailed ...

Cosmologists are finally beginning to sketch a coherent picture of the universe we cannot see, using exquisitely detailed maps of galaxies, ghostly light and the large scale structure of space itself.