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Scitopia.org is a free federated search engine in the physical sciences, technology and engineering areas. It is powered by Explorit Research Accelerator and searches the content of 17 science and engineering societies' databases, government documents, and patent databases which comprise over three million published articles back as far as 1884. Among the participants are such distinguished organizations as the Optical Society of America, American Institute of Physics, the Royal Society, the Institute of Electrical and Electronics Engineers, American Geophysical Union, etc. Scitopia searches peer-reviewed journals, technical reports, and other society publications, though it does not provide the full text. Instead, it allows researchers to search across many disciplines at once, something only partially available in expensive subscription sites.
At a first glance of the home page there is a pleasing arrangement of features with a soft pastel combination of colours. The Simple search space is...