Re: Science Mag's top 125 unanswered questions

Uncle Al wrote:
> Sam Wormley wrote:
> >
> > Science Mag's top 125 unanswered questions
> > http://www.sciencemag.org/sciext/125th/
> [snip]
>
> > What is the nature of gravity?
> > It clashes with quantum theory. It doesn't fit in the Standard Model.
> > Nobody has spotted the particle that is responsible for it. Newton's apple
> > contained a whole can of worms.
>
> > What is the origin of homochirality in nature?
> > Most biomolecules can be synthesized in mirror-image shapes. Yet in
> > organisms, amino acids are always left-handed, and sugars are always
> > right-handed. The origins of this preference remain a mystery.
>
> It might be 123 questions by mid-September. The full parity Eotvos
> experiment is running.

Best of luck to you, Al, but I don't see how any positive or negative
result to your experiment is going to answer either of those questions.
The first is ridiculously vague, while the second is silly.

We already knew something about the "nature of gravity" after Newton,
considerably more after Einstein, and in the future presumably more
still. Your experiment may be provocative and even potentially
startling, but will not light up a bulb which says "Aha! Now we know
the nature of gravity".

The second question is simply one of symmetry breaking: possibly aided
by an incomplete symmetry if it turns out one set of enantionmers was
marginally more stable because of incomplete mirror-symmetry -- which
we already have, with or without a chiral component to gravity -- but
no mystery regardless: unless every time we flip a coin the outcome is
an unfathomable mystery. We don't know the details, but that doesn't
mystify us.

.

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