Thursday, 28 March 2013

#QUANTUM Life: How Physics Can Revolutionise #BIOLOGY

As people have noticed or Quantum Flux News Service we thought we'd better dig ... deeper for you Human.  Here's a neat lecture for you, from The Royal Society.  That's an organisation about science, Dumbo, not the Royals ... But .. Oh I give up! >g?

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Jim Al-Khalili - Quantum Life: How Physics Can Revolutionise Biology

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Published on Jan 30, 2013

In this Friday Evening Discourse at the Royal Institution, Professor Jim Al-Khalili explores how the mysteries of quantum theory might be observable at the biological level.

Although many examples can be found in the scientific literature dating back half a century, there is still no widespread acceptance that quantum mechanics -- that baffling yet powerful theory of the subatomic world -- might play an important role in biological processes. Biology is, at its most basic, chemistry, and chemistry is built on the rules of quantum mechanics in the way atoms and molecules behave and fit together.

As Jim explains, biologists have until recently been dismissive of counter-intuitive aspects of the theory and feel it to be unnecessary, preferring their traditional ball-and-stick models of the molecular structures of life. Likewise, physicists have been reluctant to venture into the messy and complex world of the living cell - why should they when they can test their theories far more cleanly in the controlled environment of the physics lab?

But now, experimental techniques in biology have become so sophisticated that the time is ripe for testing ideas familiar to quantum physicists. Can quantum phenomena in the subatomic world impact the biological level and be present in living cells or processes - from the way proteins fold or genes mutate and the way plants harness light in photosynthesis to the way some birds navigate using the Earth's magnetic field? All appear to utilise what Jim terms "the weirdness of the quantum world".
 The discourse explores multiple theories of quantum mechanics, from superposition to quantum tunnelling, and reveals why "the most powerful theory in the whole of science" remains incredibly mysterious. Plus, watch out for a fantastic explanation of the famous double slit experiment.

Richard Feynman on the Double Slit Paradox: Particle or Wave?

Published on Mar 24, 2012

Richard Feynman's lecture on quantum Probability and Uncertainty in the "Messenger" series of lectures on Cornell University 1964. He elucidates the Double Slit Experiment, which includes the feature of the observer participating in creating the manifestation of the observed object either as a non-local diffracting wave or as a distinct local particle (lump): Contemporary orthodox quantum physics and early Buddhism agrees on this the "Participatory Observation (Anthropic) Principle" coined by American physics grand old man John Archibald Wheeler: More on Genesis and Observership:

The White Rabbit!

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