Science/Mathematics

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Page Not Found - Freevideolectures. University lectures physics. Whether your goal is to earn a promotion, graduate at the top of your class, or just accelerate your life.

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Lectures can help get you there. Our archives of lectures cover a huge range of topics and have all been handpicked and carefully designed by experienced instructors throughout the world who are dedicated to helping you take the next step toward meeting your career goals. With OnlineCourses.com's engaging collection of lectures, your free time will turn into self-improvement time. Our online lectures are more than lecture notes or a slideshow on a topic; they were designed for audiences like you, with carefully sequenced themes and topics taught by veteran educators, and often with additional resources for your own independent study.

The lectures are available to anybody, completely free of charge. Lecture courses are a valid and vital learning tool, and may be one of the best methods of learning available. Personality Tests. Dougal Dixon "Man after man. An anthropology of the future" Foreword by Brian Aldiss. It has become necessary to look into the future.

Dougal Dixon "Man after man. An anthropology of the future" Foreword by Brian Aldiss

There must have been a time, long past, when animals much like apes looked up into the night sky and wondered about the stars: what those pinpoints of light were, and what they were for. Only a brief while after that, the apelike things acquired language; then stories began to be told, and fantasies woven about the stars overhead. That cluster resembled a hunter and, high above, the outlines of a great bear could be discerned. Such stories, told in the Pleisto—ícene dark, kept the bogeyman away. Animals have no interest in stars. There the mud caused by the successive inundations has covered them over, and then this mud grows into one mass together with the aforesaid paste, and becomes changed into successive layers of stone which correspond with the layers of mud.

But Leonardo did not know the age of the Earth and, in any case, accretion of knowledge is as much subject to chance and the processes of time as the fossils themselves. The Story of Mankind. Your Age On Other Worlds. Looking at the numbers above, you'll immediately notice that you are different ages on the different planets.

Your Age On Other Worlds

This brings up the question of how we define the time intervals we measure. What is a day? What is a year? The earth is in motion. Actually, several different motions all at once. The top-like rotation of the earth on its axis is how we define the day. The revolution of the earth around the sun is how we define the year. We all learn in grade school that the planets move at differing rates around the sun. Why the huge differences in periods? Kepler briefly worked with the great Danish observational astronomer, Tycho Brahe. Here you see a planet in a very elliptical orbit. Kepler's third law is the one that interests us the most. Let's just solve for the period by taking the square root of both sides: Cranial Nerves.

Can't remember the names of the cranial nerves?

Cranial Nerves

Here is a handy-dandy mnemonic for you: On Old Olympus Towering Top AFamous Vocal German Viewed Some Hops. The bold letters stand for: olfactory, optic, oculomotor, trochlear, trigeminal, abducens, facial, vestibulocochlear, glossopharyngeal, vagus, spinal accessory, hypoglossal. Still can't remember the cranial nerves? All Courses. The Official String Theory Web Site.

Try It Yourself. Role Playing Games - Free Multiplayer Online Games. Aura Kingdom (AK) is an anime-inspired fantasy MMO from Aeria Games, boasting eight classes (plus one mystery class), a well-developed companion system and a unique skill tree.

The game features beautiful, cartoony graphics in an open world with instances (dungeons) supplementing it as well. Players get acquainted with the game mechanics by doing a tutorial with end-game items and stats, but upon waking up start off with the usual sort of quest chain, which can be done quickly with auto-path. Leveling is fast; assiduous players can hit the level cap in a matter of weeks, if not days. PvP and crafting opens up quite late. AK features immersive combat with the player being able to dodge enemy skill-shots and run around the enemy while attacking. Overall, Aura Kingdom seems to be a well-polished even if not terribly unique title. Free, with option to pay for additional features.

Games

BMW Activate the Future. Brain Explorer. Unsolved Problems. There are many unsolved problems in mathematics. Some prominent outstanding unsolved problems (as well as some which are not necessarily so well known) include.