You probably think like everyone else that light is immaterial, that you can not touch it or use it as you use a jet of water and use it to …
Supercomputers used in science are the most powerful machines. They make use of HPC (High Performance Computing) technologies, Graphics Processing Units (GPUs), computer clusters or clusters, and nodes or concentrators …
The advantage of radio astronomy appears when the light is stopped by the presence of clouds of dust that hide certain regions of the sky. This material allows radio-frequency radiation …
Several large facilities are now operational in the milli and submillimetric bands. There is ALMA (Atacama Large Millimeter / submillimeter Array) installed in Chile. It is an international project (Europe, …
It was to solve the problem of spatial resolution that in 1960 William E.Gordon of Cornell University proposed to build the Arecibo antenna 305 m in diameter in Puerto Rico. …
Apart from optical telescopes equipped with their detectors and other spectrographs, to carry out their research, astronomers also need theoretical tools, especially models and statistical functions. Indeed, the problem for …
In 1666, during an optical experiment that he later described as “crucial,” Newton discovered the specter of light by playing with a prism in a darkened room. Although his experience …