Eugène Charles Catalan made his famous conjecture – that 8 and 9 are the only two consecutive perfect powers of natural numbers – in 1844 in a letter to the editor of Crelle’s mathematical journal. One hundred and fifty-eight years later, Preda Mihailescu proved it.
Science, a multi disciplinary, weekly peer reviewed journal, ranks as the world's most prestigious scientific journal. The journal was established by Thomas Edison in 1880 and has been the official journal of AAAS since 1900. Content includes original research, news, book reviews, and coverage of events in the scientific community.
Science, a multi disciplinary, weekly peer reviewed journal, ranks as the world's most prestigious scientific journal. The journal was established by Thomas Edison in 1880 and has been the official journal of AAAS since 1900. Content includes original research, news, book reviews, and coverage of events in the scientific community.
Woodworker's Journal is designed for all woodworkers (from hobbyists to professionals) looking for new project ideas, woodworking techniques and shop jigs and tips that will enhance their time in the shop. Projects are presented in a detailed step-by-step format with photos and illustrations. A full size pattern is inserted in the middle of each issue. Departments cover joinery, finishing, products, techniques and hardware.
Science is the academic journal of the American Association for the Advancement of Science and is considered one of the world's most prestigious scientific journals. The peer-reviewed journal, first published in 1880 is circulated weekly and has a print subscriber base of around 130,000. Because institutional subscriptions and online access serve a larger audience, its estimated readership is one million people.
