Mihajlovic
Its Baltic!
How amazing is this!!
Nobel laureate, high energy physicist (a field of science that deals with the very early universe), Professor Steven Weinberg, in the journal Scientific American, reflects on "how surprising it is that the laws of nature and the initial conditions of the universe should allow for the existence of beings who could observe it. Life as we know it would be impossible if any one of several physical quantities had slightly different values."
Although Weinberg is a self described agnostic, he cannot but be astounded by the extent of the fine-tuning. He goes on to describe how a beryllium isotope having the minuscule half life of 0.0000000000000001 seconds must find and absorb a helium nucleus in that split of time before decaying. This occurs only because of a totally unexpected, exquisitely precise, energy match between the two nuclei. If this did not occur there would be none of the heavier elements. No carbon, no nitrogen, no life. Our universe would be composed of hydrogen and helium.
But this is not the end of Professor Weinberg's wonder at our well tuned universe. He continues: "One constant does seem to require an incredible fine-tuning... The existence of life of any kind seems to require a cancellation between different contributions to the vacuum energy, accurate to about 120 decimal places."
This means that if the energies of the big bang were, in arbitrary units, not:
1000000000000000000000000000000000000000
0000000000000000000000000000000000000000
0000000000000000000000000000000000000000,
but instead:
1000000000000000000000000000000000000000
0000000000000000000000000000000000000000
0000000000000000000000000000000000000001,
there would be no life of any sort in the entire universe because as Weinberg states: "the universe either would go through a complete cycle of expansion and contraction before life could arise or would expand so rapidly that no galaxies or stars could form."
Steven Weinberg, Nobel Prize in Physics 1979
Nobel laureate, high energy physicist (a field of science that deals with the very early universe), Professor Steven Weinberg, in the journal Scientific American, reflects on "how surprising it is that the laws of nature and the initial conditions of the universe should allow for the existence of beings who could observe it. Life as we know it would be impossible if any one of several physical quantities had slightly different values."
Although Weinberg is a self described agnostic, he cannot but be astounded by the extent of the fine-tuning. He goes on to describe how a beryllium isotope having the minuscule half life of 0.0000000000000001 seconds must find and absorb a helium nucleus in that split of time before decaying. This occurs only because of a totally unexpected, exquisitely precise, energy match between the two nuclei. If this did not occur there would be none of the heavier elements. No carbon, no nitrogen, no life. Our universe would be composed of hydrogen and helium.
But this is not the end of Professor Weinberg's wonder at our well tuned universe. He continues: "One constant does seem to require an incredible fine-tuning... The existence of life of any kind seems to require a cancellation between different contributions to the vacuum energy, accurate to about 120 decimal places."
This means that if the energies of the big bang were, in arbitrary units, not:
1000000000000000000000000000000000000000
0000000000000000000000000000000000000000
0000000000000000000000000000000000000000,
but instead:
1000000000000000000000000000000000000000
0000000000000000000000000000000000000000
0000000000000000000000000000000000000001,
there would be no life of any sort in the entire universe because as Weinberg states: "the universe either would go through a complete cycle of expansion and contraction before life could arise or would expand so rapidly that no galaxies or stars could form."
Steven Weinberg, Nobel Prize in Physics 1979
