Interessant.
Greetings, Charles Claessens member Verband Baubiologie www.milieuziektes.nl www.milieuziektes.be www.hetbitje.nl checked by Norton Antivirus ----- Original Message ----- From: "Jennifer Ruby" <[hidden email]> To: <[hidden email]> Cc: <[hidden email]>; <[hidden email]>; <[hidden email]> Sent: Wednesday, June 15, 2005 04:20 Subject: [Rife] Undetectable Waves Detected > Hola Folks! > > An intriguing story that evokes something I can't quite elucidate about > 'phantom waves' but it will come to me eventually; > > http://www.livescience.com/technology/050614_baby_waves.html > > Undetectable Waves Detected - By Bjorn Carey > LiveScience Staff Writer - posted: 14 June, 2005 9:42 am ET > > Scientists have detected the undetectable. > > Baby energy waves, once thought too small to detect, have been spotted > by researchers. > > The children of solitary waves, baby waves technically shouldnt exist. > The energy in a solitary wave moves in one compact spurt, like the > shockwave that powers Newtons Pendulum, a popular desktop ornament. By > definition, the energy in these waves is supposed to travel intact and > not be broken easily. > > While baby energy waves have existed in theory since 2001, many > scientists thought theyd never be spotted. Even the researcher who > predicted their existence in the first place had his doubts. > > Surajit Sen, of the University of Buffalo, predicted that when a > solitary wave hits a hard wall, it might break off a smaller, secondary > wave of lesser energy. However, his computer simulations indicated that > these baby waves would be too small to see. > > I didnt think they could be seen because theyre very small, Sen > said. When he first theorized the existence of baby waves in 2001, he > predicted they would contain far less than 0.1 percent of the parent > waves original energy. > > Still, I hoped against hope that one might see them some day, Sen told > LiveScience. > > Now, thanks to what Sen calls a very ingenious experiment by Francisco > Melo of the University of Santiago in Chile, Sens wish has been > answered. Baby waves, the offspring of solitary energy waves, have been > detected. > > Melo handles the experimental end of Sens theories. He figured out that > by making the the impact wall softer, the secondary waves would be > bigger. He was right. The softer wall broke the initial solitary wave > into larger baby waves as large as 15 to 20 percent of the original > energy. > > The initial wave can be generated very easily. Melo and his assistant, > Stephane Job, set up what was basically a super-sized version of > Newtons Pendulum, only without the strings. They lined up 20 steel > balls against a wall of soft material. At the end of the line furthest > from the wall, they rolled one ball into the first in line, which > created a shockwave that ran through the entire set and bounced back off > the wall. > > One of the balls as well as the wall had a sensor built into it. The > sensor recorded the energy of the initial wave. But on the return trip, > two waves passed the sensor. One was the initial wave bouncing off the > wall now with slightly less energy and the other was the baby wave, > which had broken off the initial wave when it impacted the wall. > > The detection is a step towards something fancy, Sen said. When you > put a shockwave through a system, you dont necessarily think that the > system will reach an equilibrium-like state. > > In a closed system, with a wall at each end of the line of balls, baby > waves would form continuously. Even baby waves would make their own > babies, although they would be very small. Eventually, the system would > reach an equilibrium-like state with the energy from the initial wave > spread nearly evenly throughout the system. > > This is due to the baby waves. Because you have waves of all different > sizes in the system, youll have a system near equilibrium, Sen said. > As far as I know, this is the first time that anyone has conjectured > the existence of this state. > > These findings were published recently in the online version of the > journal Physical Review Letters. > -- > Jerry Decker - http://www.keelynet.com |
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