By Richard Dawkins, Lawrence M. Krauss
Author note: Afterword by way of Richard Dawkins
Bestselling writer and acclaimed physicist Lawrence Krauss bargains a paradigm-shifting view of ways every thing that exists got here to be within the first place.
"Where did the universe come from? What was once there earlier than it? what's going to the longer term carry? and eventually, why is there anything instead of nothing?"
One of the few well known scientists this day to have crossed the chasm among technology and pop culture, Krauss describes the staggeringly attractive experimental observations and mind-bending new theories that reveal not just can whatever come up from not anything, whatever will regularly come up from not anything. With a brand new preface concerning the value of the invention of the Higgs particle, A Universe from not anything makes use of Krauss's attribute wry humor and fantastically transparent motives to take us again to the start of the start, proposing the newest facts for a way our universe evolved—and the consequences for the way it's going to end.
Provocative, demanding, and delightfully readable, it is a game-changing examine the main simple underpinning of lifestyles and a strong antidote to outdated philosophical, non secular, and medical considering.
Read or Download A Universe from Nothing: Why There is Something Rather than Nothing PDF
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Extra resources for A Universe from Nothing: Why There is Something Rather than Nothing
The temperature of the solid is essentially a measure of the average random kinetic energy of the atoms; the larger their random kinetic energy is, the larger is the temperature. If you raise the temperature too much the random vibrations will increase to such an extent that the lattice structure will be destroyed and the solid will melt becoming a liquid. Of course, the atoms still remain in the liquid, with random motions and if you further heat the liquid, their random motion will increase. Eventually, the liquid will vaporise into a gaseous state (like water becoming steam).
Hence this branch of physics, which originated from Boltzmann, is often called statistical mechanics. It tells you how to link up the bulk properties of matter — like, for example, the pressure of the gas — to the microscopic motion of the molecules. Just to see how this works, let us consider pressure exerted by a gas of N molecules kept in a cubical box of size L, using nothing more than high school algebra. ). We will concentrate on the side of the box perpendicular to the x-axis. The gas exerts a pressure on the wall of the box because the collision of the molecules with the wall exerts a force on the latter.
All hell will break loose and it did. The result is called Special Relativity. , that the speed of light remains constant independent of the speed of motion of the source. Consider a long railway cabin shown in Fig. 1. In the middle of the cabin (B in the figure), there is a source of light which can emit beams of light towards the two ends of the cabin, A and C. The train is moving with C as the forward end. Let a physicist Joe ride in the train while another physicist Moe stay on the road watching what happens.
A Universe from Nothing: Why There is Something Rather than Nothing by Richard Dawkins, Lawrence M. Krauss