Find over 100+ million publications, 11+ million researchers and 1 million answers to research questions. ResearchGate is a network dedicated to science and research. Connect, collaborate and discover scientific publications, jobs and conferences. All for free.
U.S. Department of Commerce
HowStuffWorks explains thousands of topics, from engines to lock-picking to ESP, with video and illustrations so you can learn how everything works.
MathWorks develops, sells, and supports MATLAB and Simulink products.
На сайте можно скачать презентации, планы-конспекты уроков, тесты для учителя.
violympic, giải toán trên mạng,Đại học FPT
IEEE.org serves technical professionals and students who are looking to both foster working relationships and gain access to the latest technical research and knowledge.
For anyone who ever wondered 'why', Live Science makes every day a little more interesting by illuminating the amazing world around us
Média de décryptage, Futura vous emmène à la rencontre des découvertes et innovations qui changent le monde. Autour de 5 rubriques (Sciences, Santé, Tech, Maison et Planète), nos journalistes vous proposent un contenu exclusif : actualités, vidéos, dossiers, photos...
