A survey from 1995 to 2010 has shown that American children are increasingly being born underweight. It is not due to malnutrition as the mothers were found not to smoke and were over-weight. It is not due to cesarean operation which reduces the gestation period. It is dubbed a mystery by the Researchers as they could not find any explanation for this phenomenon.
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It is well known that sleep helps your brain absorb new information. But what about dreams? Some researchers have speculated that they, too, might improve memory. Now, a new study provides some experimental evidence: People who dreamed about a virtual reality maze they’d encountered a few hours earlier were quicker to find a way out
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POSSIBLE TYPES OF STATISTICAL INFORMATION ABOUT A SYSTEM 3 The Schrödinger equation was devised to find the probability of finding the particle in the narrow region between x and x+dx, which is denoted by P(x) dx. The function P(x) is the probability distribution function or probability density, which is found from the wave function ψ(x)
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POSSIBLE TYPES OF STATISTICAL INFORMATION ABOUT A SYSTEM 2 In modern science there is a tendency of generalization or extension of one principle to others. For example; the Schrödinger equation in the so-called one dimension (actually it contains a second order term; hence cannot be an equation in one dimension) is generalized (?) to three
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POSSIBLE TYPES OF STATISTICAL INFORMATION ABOUT A SYSTEM 1 Our statistical information about a system may always be expressed by giving the expectation values of all observables. Now the expectation value of an arbitrary observable F, for a state whose wave function is φ, isIf we do not know the state of the system, but
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