By Lawrence M. Krauss
Each atom in bodies used to be contained in the fiery center of a celeb that exploded billions of years sooner than our sun approach used to be shaped. just like the unique Homeric epic, the atom on the heart of this booklet makes its method throughout a very cosmic level. Exploding supernovas, sunlight winds, collapsing stars preceded the increase of lifestyles on the earth and at some point may well foretell its finish. but the tale that Krauss tells is inextricably our tale. all through this mind-blowing and enormous paintings, he manages to stoke our ask yourself on the powers and not going occasions that conspired to create our sunlight process, our eco-system and us.
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Additional info for Atom: An Odyssey from the Big Bang to Life on Earth...and Beyond
For each of these 9900 possibilities, ball No. 3 can be placed in 98 different positions. There are thus 100 x 99 x 98 different arrangements for three balls. For 100 marked balls and 100 available positions we thus have 100 x 99 x 98 x ... x 2 x I possibilities for arranging them. , which is called factoriallOO. If the balls are not numbered the number of arrangements which are distinguishable to the eye is much smaller. In fact, both the reversal of any pair of white balls and that of any pair of red balls leave the distribution unchanged.
13 that in two reversible Carnot cycles, in which the same amount p t ... v Fig. 9. Arbitrary reversible cycle. Isotherms are indicated by the letter i, adiabatics by a. 36 THE CLASSICAL CONCEPT OF ENTROPY [1 of work is done, an equally large quantity of heat flows from the higher to the lower temperature. Indeed, if an extra quantity of heat k should flow in one of these processes, then by using the work supplied by the other process to drive this process in the reverse direction, we ·should be able to violate the second law (see Fig.
On reaching state 2, a wall impermeable to heat is slipped around the cylinder and the volume is allowed to increase further, adiabatically. The temperature will drop. The expansion is continued until state 3 is reached, at which point the temperature has dropped to Tz. The insulating wall is now removed and the cylinder is placed in contact with a reservoir at the temperature Tz and the volume is reduced isothermally, so that a quantity of heat Qz is taken up by the reservoir. During this process the gas pressure remains constant and equal to the vapour pressure pz at the temperature Tz.
Atom: An Odyssey from the Big Bang to Life on Earth...and Beyond by Lawrence M. Krauss