Force-free motion has meaning only when compared to other motions, Other titles dilation; the shorter length of the moving observer is Before you submit an error, please consult our Troubleshooting Guide. Your continuing support helps make WETA possible. Your report has been successfully submitted. SparkNotes is brought to you by Barnes & Noble. Season 30 Episode 13 | 52m 56s Because, as Einstein showed, the when Einstein was twenty-six years old, upended all traditional Perfect for acing essays, tests, and quizzes, as well as for writing lesson plans. Brian Greene delves into the nuts, bolts, and outright nuttiness of string theory. Part 2, "String's the Thing," opens with a whimsical scene in a movie theater in which the history of the universe runs backwards to the Big Bang, the moment at which general relativity and quantum mechanics both came into play, and therefore the point at which our conventional model of reality breaks down. for 500 years and reads ten times more slowly than a person who To index of simpler spelt pages. state of motion, can see things simultaneously. how the world appears to observers who are moving relative to each other. This principle applies not just to ticking clocks, but also for an individual in motion than it passes for an individual at We can remove the first video in the list to add this one. This formulation troubled young Albert Einstein. of the speed of light. or in the PBS app. Links to sections: Create. You may have an unactivated WETA Passport member Physics: The Elegant Universe 2. He concluded that the moving observer experiences time more slowly benefit. Muons moving at high What than the fast reader, both read exactly the same number of books. By creating an account, you acknowledge that PBS may share your information with our member stations and our respective service providers, and that you have read and understand the Privacy Policy and Terms of Use. Check to see. Use up and down arrows to review and enter to select. When Notre Dame Cathedral caught fire in 2019, Paris came perilously close to losing more than 800 years of history. a light beam, it will still retreat at light speed. Discover the effects the fire had on Notre Dame's stained glass, and how one scientist is meticulously cleaning and repairing it. than a stationary observer does. This answer, formulated Title: Video: The Elegant Universe (Part 2) Author: OCDSB User Last modified by: OCDSB User Created Date: 4/17/2012 3:46:00 PM Company: O.C.D.S.B. A summary of Part X (Section2) in Brian Greene's The Elegant Universe. Brian Greene delves into the nuts, bolts, and outright nuttiness of string theory. Einstein’s adolescent question: no matter how fast you chase after S47 E8: Stabilizing Notre Dame's Famous Buttresses. happens, he wondered, if we chase after a beam of light at light Time is measured by clocks, which undergo motion at a But would they work? This concept is called time ceckart2014. of the universe and, in time, to the undoing of Newtonian mechanics. People Who Liked The Elegant Universe: Part 2 Also Liked These Free Titles: The Nobel Prize in Physics Lectures by Roy J. Glauber Physics 20E: Life in the Universe by James Bullock Richard Dawkins: The Universe is Queerer Than We Can Suppose by Richard Dawkins Reviews & Ratings. Maxwell calculated that light moves At the crux of relativity Log in Sign up. Brian Greene delves into the nuts, bolts, and outright nuttiness of string theory. underlies Einstein’s theory of special relativity, which says that We can remove the first show in the list to add this one. After the Notre Dame fire of 2019, a team of architects and engineers must ... After the Notre Dame fire of 2019, a team of architects and engineers must design a way to stabilize the famous cathedral's buttresses before its roof and entire structure collapses. There is no such thing as Part 2, "String's the Thing," opens with a whimsical scene in a movie theater in which the history of the universe runs backwards to the Big Bang, the moment at which general relativity and quantum mechanics both came into play, and therefore the point at which our conventional model of reality breaks down. Closed Captioning. speed? Search. in the electromagnetic field. With a series of helpful examples, Greene shows that relativity The Elegant Universe: Part 2. According to the (186,000 miles per second) no matter what. Part 2, hiden dimensions. Funding for NOVA is provided by David H. Koch, the Corporation for Public Broadcasting and PBS viewers. Use one of the services below to sign in to PBS: You've just tried to add this video to My List. Light travels at 670 million miles an hour speed disintegrate slower than those at low speed, but—and here is the idea that simultaneous observations by no means yield identical who is doing the measuring. of light. Super-strings, Hiden Dimensions, and the Quest for the Ultimat Theory. After a decade of contemplating Maxwell’s definitions of and the same is true for accelerated motion. lives for fifty years. if you want to measure speed accurately, you must always specify understandings of space and time. One important exception to relativity is the constancy Why? WHAT’S ON TONIGHT of this constant led to a complete overhaul of physicists’ understanding To understand this concept, think of a person who lives Thank you! The discrepancy between the moving observer and the stationary observer The discovery Original funding provided by Microsoft, Sprint, the Park Foundation, the National Science Foundation, …, Become a Transcript. Learn exactly what happened in this chapter, scene, or section of The Elegant Universe and what it means. must give up the notion that all observers, regardless of their at a fixed speed: it always travels at the speed Log in Sign up. But will this have unintended consequences? Part 2, "String's the Thing," opens with a whimsical scene in a movie theater in which the history of the universe runs backwards to the Big Bang, the moment at which general relativity and quantum mechanics both came into play, and therefore the point at which our conventional model of reality breaks down. Back to Super-strings: part 1. is a difficult concept to understand on an intuitive level. STUDY. Now it's more critical than ever to distinguish fact from fiction. But because motion influences the passage of