While many math geeks out there may have been teased for their love of numbers, it's math that makes the world go round, defining everything from the economy to how the universe itself operates. You can indulge your love of mathematics in these great lectures and lecture series. Some are meant to review the basics and others will keep you on the cutting edge of what renowned researchers are doing in the field, but all will help you expand your knowledge and spend a few hours enjoying a topic you love.
If you love history, or just want to learn more about it, YouTube has exactly what you need. Always up to the challege of providing thorough, accurate information, YouTube delivers channels from leading names in historical studies, from The Smithsonian to the Discovery Channel. You're sure to find just the right information you need for your lecture, lesson plan, or perhaps just your personal viewing pleasure.
an innovative and comprehensive database of free online courses from elite colleges like Yale, Stanford, and MIT. With classes on everything from French Literature to Calculus, the only thing limiting your learning is your broadband connection and the amount of free time you have.
Know the exact size and position of any element with this screen ruler. Pixel Ruler features horizontal and vertical orientation, dynamic mouse measurement tracking in pixels, cool design.