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Brief Answers to Cosmic Questions

Brief Answers to Cosmic Questions
Structure of the Universe Does the Universe have an edge, beyond which there is nothing? Are the galaxies arranged on the surface of a sphere? Why can't we see the whole universe? Does the term "universe" refer to space, or to the matter in it, or to both? Evolution of the Universe Did the Universe expand from a point? If so, doesn't the universe have to have an edge? More about the Big Bang When they say "the universe is expanding," what exactly is expanding? Structure of the Universe Does the Universe have an edge, beyond which there is nothing? Are the galaxies arranged on the surface of a sphere? Why can't we see the whole universe? If you could suddenly freeze time everywhere in the universe, and magically survey all of creation, you would find galaxies extending out far beyond what we can see today. Does the term "universe" refer to space, or to the matter in it, or to both? Today, the situation is reversed. Evolution of the Universe Did the Universe expand from a point?

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Top 10 Universities With Free Courses Online #1 UC Berkeley Ranked as the #1 public school in the United States, Berkeley offers podcasts and webcasts of amazing professors lecturing. Each course has an RSS feed so you can track each new lecture. PROXIE General questions: Compilation and Installation: Tor Browser Bundle (general): Tor Browser Bundle (3.x series): Advanced Tor usage: Running a Tor relay: Tor hidden services: Development: Anonymity and Security: Alternate designs that we don't do (yet): Abuse: General questions: Compilation and Installation: Tor Browser Bundle (general): Tor Browser Bundle (3.x series): Advanced Tor usage:

Science links Skip to Content Home » Science links Science links The Measurement of Science Albert Einstein’s greatest scientific “blunder” (his word) came as a sequel to his greatest scientific achievement. That achievement was his theory of gravity, the general theory of relativity, which he introduced in 1915. Two years later, in 1917, Einstein ran into a problem while trying to apply general relativity to the Universe as a whole. At the time, Einstein believed that on large scales the Universe is static and unchanging. But he realized that general relativity predicts that such a Universe can’t exist: it would spontaneously collapse in on itself.

10 Strange Things About The Universe Space The universe can be a very strange place. While groundbreaking ideas such as quantum theory, relativity and even the Earth going around the Sun might be commonly accepted now, science still continues to show that the universe contains things you might find it difficult to believe, and even more difficult to get your head around. Theoretically, the lowest temperature that can be achieved is absolute zero, exactly ?273.15°C, where the motion of all particles stops completely. However, you can never actually cool something to this temperature because, in quantum mechanics, every particle has a minimum energy, called “zero-point energy,” which you cannot get below.

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The Shapes of CSS Learn Development at Frontend Masters CSS is capable of making all sorts of shapes. Squares and rectangles are easy, as they are the natural shapes of the web. Add a width and height and you have the exact size rectangle you need. Add border-radius and you can round that shape, and enough of it you can turn those rectangles into circles and ovals. We also get the ::before and ::after pseudo elements in CSS, which give us the potential of two more shapes we can add to the original element. 40 technologies to watch in 2011 If the popular misreading of Mayan mythology is correct, we have fewer than two more years left on this Earth. That leaves precious little time for the tech industry to develop and perfect of all the cool technologies that sci-fi authors have dreamed up over the years. Still, while a December 2012 apocalypse may spell doom for the commercial viability of hovercars, it doesn't mean that the next couple of years in tech will be dull — quite the contrary. 2011 is already shaping up to be a banner year for tech and web innovation. Below is a list of over 40 websites, apps, companies, gadgets and technologies that the editors of Mashable think that you should keep an eye on over the coming year.

The Elegant Universe: Pt 1 The Elegant Universe: Part 3 PBS Airdate: November 4, 2003 NARRATOR: Now, on NOVA, take a thrill ride into a world stranger than science fiction, where you play the game by breaking some rules, where a new view of the universe pushes you beyond the limits of your wildest imagination. Center for African American Studies We thank the supportive and generous Princeton University alumni who recognize the important work of the Center for African American Studies. On March 11, we dedicated the Hobson-Rogers Seminar Room and the Barfield-Johnson Seminar Room of Stanhope Hall, our historic home. Professor Naomi Murakawa joins the faculty at the Center for African American Studies as an associate professor of African American Studies. AAS 353/ENG 352 (LA) African American Literature: Origins to 1910 Fulfills AAS certificate core survey pre-20th century course requirement Lecture L01: 11:00 am – 11:50 am TTh Christopher M. Brown This introductory required core survey course focuses on texts from the mid-eighteenth century through the early 20th century.

GURUI IN PHOTOSHOP Many people can use Photoshop, but only a select few can call themselves gurus. Learn all the methods in the 20 tutorials below and you’ll be well on your way to joining this elite. Rather than focus on tuts for beginners, intermediates or advanced users, we’ve simply chosen ones which produce jaw-dropping effects. All of them are easy to follow, although most do require at least some prior knowledge and experience. 1. Colorful Plexi Text Effect The end of the net as we know it Posted on 21 Jan 2011 at 13:34 ISPs are threatening to cripple websites that don't pay them first. Barry Collins fears a disastrous end to net neutrality You flip open your laptop, click on the BBC iPlayer bookmark and press Play on the latest episode of QI. But instead of that tedious, plinky-plonky theme tune droning out of your laptop’s speakers, you’re left staring at the whirring, circular icon as the video buffers and buffers and buffers... That’s odd.

Your Sky by John Walker Welcome to Your Sky, the interactive planetarium of the Web. You can produce maps in the forms described below for any time and date, viewpoint, and observing location.

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