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Thursday, July 1, 2010

JUNE 23 - God particle signal is simulated as sound‏

Dear Friends,

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Be Well.

David

God particle signal is simulated as sound

Page last updated at 23:25 GMT, Tuesday, 22 June 2010 00:25 UK

By Pallab Ghosh
Science correspondent, BBC News
Simulated Higgs production at Atlas (Cern)
The Higgs boson particle is thought to give all others their mass

Scientists have simulated the sounds set to be made by sub-atomic particles such as the Higgs boson when they are produced at the Large Hadron Collider.

Their aim is to develop a means for physicists at Cern to "listen to the data" and pick out the Higgs particle if and when they finally detect it.

Dr Lily Asquith modelled data from the giant Atlas experiment at the LHC.

She worked with sound engineers to convert data expected from collisions at the LHC into sounds.

"If the energy is close to you, you will hear a low pitch and if it's further away you hear a higher pitch," the particle physicist told BBC News.

"If it's lots of energy it will be louder and if it's just a bit of energy it will be quieter."

The £6bn LHC machine on the Swiss-French border is designed to shed light on fundamental questions in physics.

It is housed in a 27km-long circular tunnel, where thousands of magnets steer beams of proton particles around the vast "ring".
At allotted points around the tunnel, the beams cross paths, smashing together near four massive "experiments" that monitor these collisions for interesting events.

Scientists are hoping that new sub-atomic particles will emerge, revealing insights into the nature of the cosmos.

Atlas is one of the experiments at the LHC. An instrument inside Atlas called the calorimeter is used for measuring energy and is made up of seven concentric layers.

Each layer is represented by a note and their pitch is different depending on the amount of energy that is deposited in that layer.
The process of converting scientific data into sounds is called sonification.

Dr Asquith and her team have so far generated a number of simulations based on predictions of what might happen during collisions inside the LHC.

The team is only now feeding in real results from real experiments.
"When you are hearing what the sonifications do you really are hearing the data. It's true to the data, and it's telling you something about the data that you couldn't know in any other way," said Archer Endrich, a software engineer working on the project.

The aim is to give physicists at the LHC another way to analyse their data. The sonification team believes that ears are better suited than eyes to pick out the subtle changes that might indicate the detection of a new particle.

But Richard Dobson - a composer involved with the project - says he is struck at how musical the products of the collisions sound.

"We can hear clear structures in the sound, almost as if they had been composed. They seem to tell a little story all to themselves. They're so dynamic and shifting all the time, it does sound like a lot of the music that you hear in contemporary composition," he explained.

Although the project's aim is to provide particle physicists with a new analysis tool, Archer Endrich believes that it may also enable us to eavesdrop on the harmonious background sound of the Universe.

He said he hoped the particle collisions at Cern would "reveal something new and something important about the nature of the Universe".

And Mr Endrich says that those who have been involved in the project have felt something akin to a religious experience while listening to the sounds."You feel closer to the mystery of Nature which I think a lot of scientists do when they get deep into these matters," he said.

"Its so intriguing and there's so much mystery and so much to learn. The deeper you go, the more of a pattern you find and it's fascinating and it is uplifting."

Infographic (BBC)

1 comment:

esoteric



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How to Digitally Record/Video a UFO sighting:


Como registar digitalmente ou gravar um vídeo de um avistamento de um UFO:




Stabilize the camera on a tripod. If there is no tripod, then set it on top of a stable, flat surface. If that is not possible lean against a wall to stabilize your body and prevent the camera from filming in a shaky, unsteady manner.

Estabilize a camera com um tripé. Se não tiver um tripé, então coloque-a em cima de uma superfície estável. Se não for possível, então encoste-se a uma parede para estabilizar o corpo e evitar que a camera registe de maneira tremida e instável.

Provide visual reference points for comparison. This includes the horizon, treetops, lampposts, houses, and geographical landmarks (i.e., Horsetooth Reservoir, Mt. Adams, etc.) Provide this in the video whenever is appropriate and doesn’t detract from what your focus is, the UFO.

Forneça pontos visuais de referência para comparação. Isso inclui o horizonte, cimo das árvores, postes de iluminação, pontos de referência geográficos (como o Reservatório de Horsetooth, Mone Adams, etc) Forneça esses pontos no vídeo sempre que for apropriado e não se distraia do que é o seu foco, o UFO/a Nave.

Narrate your videotape. Provide details of the date, time, location, and direction (N,S,E,W) you are looking in. Provide your observations on the weather, including approximate temperature, windspeed, any visible cloud cover or noticeable weather anomalies or events. Narrate on the shape, size, color, movements, approximate altitude of the UFO, etc and what it appears to be doing. Also include any unusual physical, psychological or emotional sensations you might have. Narrate any visual reference points on camera so they correlate with what the viewer will see, and thereby will be better able to understand.

Faça a narração do vídeo. Forneça pormenores sobre a data, hora, local e direcção (Norte, Sul, Este, Oeste) que está a observar. Faça observações sobre as condições atmosféricas, incluindo a temperatura aproximada, velocidade do vento, quantidade de nuvens, anomalias ou acontecimentos meteorológicos evidentes. Descreva a forma, o tamanho, a cor, os movimentos, a altitude aproximada onde se encontra o UFO/nave, etc e o que aparenta estar a fazer. Inclua também quaisquer aspectos pouco habituais de sensações físicas, psicológicas ou emocionais que possa ter. Faça a narração de todos os pontos de referência visual que o espectador irá ver e que, deste modo, será capaz de compreender melhor.

Be persistent and consistent. Return to the scene to videotape and record at this same location. If you have been successful once, the UFO sightings may be occurring in this region regularly, perhaps for specific reasons unknown, and you may be successful again. You may also wish to return to the same location at a different time of day (daylight hours) for better orientation and reference. Film just a minute or two under “normal” circumstances for comparison. Write down what you remember immediately after. As soon as you are done recording the experience/event, immediately write down your impressions, memories, thoughts, emotions, etc. so it is on the record in writing. If there were other witnesses, have them independently record their own impressions, thoughts, etc. Include in this exercise any drawings, sketches, or diagrams. Make sure you date and sign your documentation.

Seja persistente e não contraditório. Volte ao local da cena e registe o mesmo local. Se foi bem sucedido uma vez, pode ser que nessa região ocorram avistamentos de UFOs/naves com regularidade, talvez por razões específicas desconhecidas, e talvez possa ser novamente bem sucedido. Pode também desejar voltar ao mesmo lugar a horas diferentes do dia (durante as horas de luz)para ter uma orientação e referência melhor. Filme apenas um ,inuto ou dois em circunstâncias “normais” para ter um termo de comparação. Escreva tudo o que viu imediatamente após o acontecimento. Logo após ter feito o registo da experiência/acontecimento, escreva imediatamente as impressões, memórias, pensamentos, emoções, etc para que fiquem registadas por escrito. Se houver outras testemunhas, peça-lhes para registar independentemente as suas próprias impressões, pensamentos, etc. Inclua quaisquer desenhos, esbolos, diagramas. Certifique-se que data e assina o seu documento/testemunho.

Always be prepared. Have a digital camera or better yet a video camera with you, charged and ready to go, at all times. Make sure you know how to use your camera (and your cell phone video/photo camera) quickly and properly. These events can occur suddenly, unexpectedly, and often quite randomly, so you will need to be prepared.

Esteja sempre preparado, Tenha sempre uma camera digital, melhor ainda, uma camera vídeo consigo, carregada e pronta a usar sempre que necessário. Certifique-se que sabe como lidar com a sua camera (ou com o seu celular/camera fotográfica) rápida e adequadamente. Esses acontecimentos podem acontecer súbita e inesperadamente e, por vezes, acidentalmente, por isso, necessita estar preparado.

Look up. Be prepared. Report. Share.

Olhe para cima, Esteja preparado, Relate, Partilhe.

MUFON.COM

ESOTERIC



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