A Brief History of Time: From the Big Bang to Black HolesStephen Hawking has earned a reputation as the most brilliant theoretical physicist since Einstein. In this landmark volume, Professor Hawking shares his blazing intellect with nonscientists everywhere, guiding us expertly to confront the supreme questions of the nature of time and the universe. Was there a beginning of time? Will there be an end? Is the universe infinite or does it have boundaries? From Galileo and Newton to modern astrophysics, from the breathtakingly cast to the extraordinarily tiny, Professor Hawking leads us on an exhilarating journey to distant galaxies, black holes, alternate dimensions--as close as man has ever ventured to the mind of God. From the vantage point of the wheelchair from which he has spent more than twenty years trapped by Lou Gehrig's disease, Stephen Hawking has transformed our view of the universe. Cogently explained, passionately revealed, "A Brief History of Time is the story of the ultimate quest for knowledge: the ongoing search for the tantalizing secrets at the heart of time and space. |
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Página 41
The noise did not appear to be coming from any particu- lar direction . First they discovered bird droppings in their detector and checked for other possible malfunctions , but soon ruled these out . They knew that any noise from within ...
The noise did not appear to be coming from any particu- lar direction . First they discovered bird droppings in their detector and checked for other possible malfunctions , but soon ruled these out . They knew that any noise from within ...
Página 77
The symmetry T means that if you reverse the direction of motion of all particles and antiparticles , the system ... what it was at earlier times ; in other words , the laws are the same in the forward and backward directions of time .
The symmetry T means that if you reverse the direction of motion of all particles and antiparticles , the system ... what it was at earlier times ; in other words , the laws are the same in the forward and backward directions of time .
Página 145
The increase of disorder or entropy with time is one example of what is called an arrow of time , something that distinguishes the past from the future , giving a direction to time . There are at least three different arrows of time .
The increase of disorder or entropy with time is one example of what is called an arrow of time , something that distinguishes the past from the future , giving a direction to time . There are at least three different arrows of time .
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LibraryThing Review
Crítica de los usuarios - jcvogan1 - LibraryThingFirst hundred pages are excellent, but then it gets to the then current day and becomes more a standard academic ‘this is what I think’ book. Leer comentario completo
LibraryThing Review
Crítica de los usuarios - benkaboo - LibraryThingSummary: Deep dive summary of the world of physics over the last 500 odd years. Things I liked: Objective: Trying to break heavy duty science into the language and ideas that regular folk can ... Leer comentario completo
Otras ediciones - Ver todas
A Brief History of Time: From the Big Bang to Black Holes Stephen Hawking,Carl Sagan Vista de fragmentos - 1988 |
Términos y frases comunes
able according appear arrow atoms attraction beginning believed big bang black hole body boundary called caused collapse complete contracting density describe developed dimensions direction disorder distance early earth effect Einstein electrons emitted energy event event horizon example exist expanding explain fact fall field FIGURE force galaxies gravitational collapse gravity happen histories idea increase infinite initial known later laws less light limit look mass matter means measure million million million moving neutron Newton objects observe orbits particles past paths phase planets position possible predictions principle probably quantum mechanics quarks question radiation rays reason regions relativity result rotating seems showed single singularity space space-time speed stars started string suggested surface temperature theory thought uncertainty unified theory universe waves weak zero