Advertisement
Promo

Become a member of the ZDNet UK community

Rupert Goodwins

View blog's RSS Feed

Mixed Signals

Any sufficiently advanced information is indistinguishable from noise

Saturday 30 August 2008, 2:06 PM

It's not just the LHC that could rewrite physics

Posted by Rupert Goodwins

There's more than one way to pick apart the fabric of space and time. You can dig an enormous hole in the ground, fill it with enormous amounts of cash, and send particles screaming to their deaths inside the eyes of giant robots in search of fundamental truth about how gravity works.

Which is nice.

Or you can quietly sit in a quiet corner of a quiet lab, making simple observations over time of a basic physical phenomenon, and then utter the classic call to arms of scientific revolution: "Hmm. That's odd."

There are a couple of outstanding cases of this on the books already - the Flyby Anomaly and the Pioneer Anomaly. In both cases, spacecraft experience tiny accelerations that cheerfully resist explanation. In both cases, the effects are so small and ruling out experimental error so difficult that the anomalies are still pretty much curiosities. A small conference here, a few papers there, but nobody's betting their careers on them.

That may not be true for the latest waxy lump of weirdness to fall out of the lughole of fundamental physics onto the pillow of public scrutiny. The raw data dates from the 80s, where two independent teams in the US and Germany recorded the radioactive decay rate of silicon and radium isotopes over many years.

Outside some very specific conditions, radioactive decay is considered one of the basic random events in the universe, triggered by quantum fluctuations in spacetime. These are among the most significant findings of modern physics, and absolutely essential to our current picture of how things work. Radiation happens when a nucleus's component parts - neutrons and protons - are tipped from one stable relationship to another at lower energy, resulting in the expulsion of the spare energy as mass or photons. Only vacuum fluctuations can cause this tipping.

The experimental results of the long-term tests, however, reveal periodicity in the decay rates. In other words, some sort of signal was imposed on the decay process - a result more difficult to believe than the stars spontaneously rearranging themselves into a picture of Albert Einstein. But the experiments were impeccable.

Now, a paper from researchers in the US points out that the variations in the decay rate correspond very closely to the seasonal change in the distance between the Earth and the Sun - with some possible link to solar activity. They suggest two possible mechanisms, one that the sun has a field that affects a certain fundamental physical constant, the other that there's an interaction between solar neutrinos and nuclei. As neutrinos are those things that don't interact with anything much, and constants are rather supposed to be, well, constant, both are highly suggestive of much more to come. As nobody's started experiments to test any of these ideas, it'll take a while - but they will.

And there's the rather entertaining prospect that what comes out of the LHC will mesh with all the anomalies and provide a whole new way of looking at the world. In fact, it rather has tp. Whatever the future of physics is, it'll be different.

Comments on this post

roger andre

Facinating, the space craft acceleration; could this be photonic, or are they being pulled out by some body of mass we do not know about yet? (maybe not dark matter).

Radioactive decay rates then.
A signal is imposed on the decay process,and this signal may be from the sun? So we have the sun acting as a regulator of decay rates with "some kind" of energy field, or a neutrino flux energy interaction also of "some kind" within the suns interior.

In the article it mentions that this can be tested close to an earth bound nuclear reactor, because they generate their own kind of powerful neutrino flux, but with no mention of knowing what the interaction with this flux is inside the sun.

Is it me that's missing something here, or them?

All the same I think these are exciting discoveries, and look forward to finding out more.



Updated by roger andre on Aug 30, 2008 8:14 PM

Xwindowsjunkie

Cool! What I find especially interesting is that the period of decay rate changes was tied to something macro meaning big and not a nuclear or quantum sized event. That hardly happens unless there is something truly fundamental about the observation, like general relativity and gravity. Maybe they've found a way to detect gravity waves.

Some time back I remember reading a paper that really caused my brain to hurt! It was a description of an observation anomaly that has to do with gravity, the location of the sun as the Earth moves around it in its orbit, the revolution of the Earth on its axis and the timing of events like tidal forces on the Earth etc. The whole purpose was to use all of those measurements to determine the propagation speed of gravity waves. If I can find it again I'll put the citation/URL here so ya'll can get headaches too!

Updated by Xwindowsjunkie on Sep 1, 2008 10:29 AM

Rupert Goodwins
  • Rupert Goodwins
  • Location, location, location
  • Member since: October 2006
ZDNet Staff

My Blog Archive


Contacts' Latest Discussions

Number of Tracked Discussions: 3,225

roger andre roger andre

Context is Everything

Wednesday 9 December 2009, 11:32 PM

2 comments
ator1940 ator1940

Personal Financial Management Software...

Wednesday 9 December 2009, 10:00 AM

3 comments
manek manek

Context is Everything

Wednesday 9 December 2009, 9:42 AM

2 comments

Contacts' Latest Blogs

Number of Contacts Blogs: 18


Skip Sub Navigation Links to CNET Brand Links

Help

Become part of the ZDNet community.

Newsletters