Relativity
mobi, epub |eng | 2008-07-23 | Author:Stannard, Russell [Stannard, Russell]

The twin paradox revisited Knowing now about the effects of acceleration/gravity on clocks, we revisit the twin paradox. Earlier we described how the astronaut twin, having travelled to a distant ...
( Category: Relativity August 21,2014 )
epub |eng | | Author:Pedro G. Ferreira

The Oxford symposium seemed like an admission of defeat, except for one surprising talk by the Cambridge physicist Stephen Hawking on black holes and quantum physics. In his talk, Hawking ...
( Category: Relativity August 18,2014 )
epub |eng | 2004-01-31 | Author:Albert Einstein [Einstein, Albert]

Notes *) The objection is of importance more especially when the state of motion of the reference-body is of such a nature that it does not require any external agency ...
( Category: Gravity June 4,2014 )
epub |eng | | Author:Leo Sartori

6.4. OTHER LENGTH PARADOXES In this section we analyze briefly two other paradoxes based on the contraction effect. Each one presents some points of interest. Paradox of the Fast Walker8 ...
( Category: Relativity May 20,2014 )
epub, mobi |eng | | Author:Simon Singh [Simon Singh ]

From the Cosmic to the Atomic In order for the Big Bang model to be accepted, there was one seemingly innocuous question that could not be ignored: why are some ...
( Category: Relativity March 27,2014 )
epub, mobi |eng | 2008-11-19 | Author:Paul Davies

The imploder Although by human standards a quark-gluon plasma is highly energized, it is a long way from our present requirements. The enormous temperature of 10 trillion degrees inside the ...
( Category: Relativity March 27,2014 )
mobi |eng | 2009-07-13 | Author:Cox, Brian & Forshaw, Jeff [Cox, Brian]

FIGURE 11 Let’s take a closer look at the three-dimensional momentum vector. Figure 11 shows an arrow in space. It might represent the amount by which a ball moves as ...
( Category: Relativity March 25,2014 )
mobi |eng | 2011-10-18 | Author:Brian Cox; Jeff Forshaw

Figure 7.3. Two electrons scattering. We can attack the question by thinking about what happens when two electrons ‘bounce’ off each other. Figure 7.3 illustrates a particular scenario where two ...
( Category: Astrophysics & Space Science March 25,2014 )
mobi, epub |eng | 2009-01-02 | Author:Martin Bojowald

INFLATION: SPECULATING ON THE EARLY UNIVERSE Negative pressure can suspend the purely attractive nature of gravity in general relativity, so could it perhaps be important to prevent singularities? For this ...
( Category: Time March 25,2014 )
mobi, epub |eng | 1988-11-01 | Author:Nigel Calder

* * * 12: The Galileo Mystery The effects of gravity and acceleration are equivalent. Everything must fall at the same rate. light bends in an accelerating spaceship. An accelerating ...
( Category: Relativity March 25,2014 )
epub, mobi |eng | 2014-01-20 | Author:Jeffrey Bennett [Bennett, Jeffrey]

EINSTEIN’S HAPPIEST THOUGHT In 1907, just two years after finishing special relativity, Einstein hit upon what he later called “the happiest thought of my life.” To understand his happy thought, ...
( Category: Astrophysics & Space Science March 25,2014 )
epub |eng | 2012-01-24 | Author:Chad Orzel

“So, there are particles out there with masses of trillions of electron volts? Wow.” “There may be particles with masses on that scale, but we haven’t detected any yet. The ...
( Category: Relativity March 25,2014 )
epub, mobi |eng | 2007-04-10 | Author:Isaacson, Walter [Isaacson, Walter]

Wresting Principles from Nature In his more radical salad days, Einstein did not emphasize this credo. He had instead cast himself as an empiricist or positivist. In other words, he ...
( Category: Scientists March 25,2014 )