Erwin Schrodinger negative entropy@What is Life? →
IT FEEDS ON 'NEGATIVE ENTROPY'
It can only keep aloof from it, i.e. alive, by continually drawing from its environment negative entropy -which is something very positive as we shall immediately see. What an organism feeds upon is negative entropy. Or, to put it less paradoxically, the essential thing in metabolism is that the organism succeeds in freeing itself from all the entropy it cannot help producing while alive.
WHAT IS ENTROPY?
ORGANIZATION MAINTAINED BY EXTRACTING 'ORDER' FROM THE ENVIRONMENT
We said before: 'It feeds upon negative entropy', attracting, as it were, a stream of negative entropy upon itself, to compensate the entropy increase it produces by living and thus to maintain itself on a stationary and fairly low entropy level.
Since the logarithm of l/D is just minus the logarithm of D, we can write Boltzmann's equation thus:
-(entropy) = k log (l/D).
Hence the awkward expression 'negative entropy' can be he replaced by a better one: entropy, taken with the negative sign, is itself a measure of order.
(These, of course, have their most power supply of ‘negative entropy’ the sunlight)
NOTE TO CHAPTER 6
The remarks on negative entropy have met with doubt and Opposition from physicist colleagues.
IT FEEDS ON 'NEGATIVE ENTROPY'
It can only keep aloof from it, i.e. alive, by continually drawing from its environment negative entropy -which is something very positive as we shall immediately see. What an organism feeds upon is negative entropy. Or, to put it less paradoxically, the essential thing in metabolism is that the organism succeeds in freeing itself from all the entropy it cannot help producing while alive.
WHAT IS ENTROPY?
ORGANIZATION MAINTAINED BY EXTRACTING 'ORDER' FROM THE ENVIRONMENT
We said before: 'It feeds upon negative entropy', attracting, as it were, a stream of negative entropy upon itself, to compensate the entropy increase it produces by living and thus to maintain itself on a stationary and fairly low entropy level.
Since the logarithm of l/D is just minus the logarithm of D, we can write Boltzmann's equation thus:
-(entropy) = k log (l/D).
Hence the awkward expression 'negative entropy' can be he replaced by a better one: entropy, taken with the negative sign, is itself a measure of order.
(These, of course, have their most power supply of ‘negative entropy’ the sunlight)
NOTE TO CHAPTER 6
The remarks on negative entropy have met with doubt and Opposition from physicist colleagues.
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