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Stockk wrote:Stepski vuk. Fascinantan um zaista

berenice wrote:

Stockk wrote:Stepski vuk. Fascinantan um zaista

Ja sam je pročitala prije 20 godina tačno. Nikad se ponovo više nisam usudila, jer me je jedno 10 dana furala. Ja - on. Ali vidiš, sad ću je opet uzeti. Jebse

berenice wrote:

Stockk wrote:Stepski vuk. Fascinantan um zaista

Ja sam je pročitala prije 20 godina tačno. Nikad se ponovo više nisam usudila, jer me je jedno 10 dana furala. Ja - on. Ali vidiš, sad ću je opet uzeti. Jebse

alibaba_i_30_godina wrote:Jel' iko išta pazario na sajmu knjiga? Ja još nisam stigao da odem, planiram ovih dana.

Russki wrote:

alibaba_i_30_godina wrote:Jel' iko išta pazario na sajmu knjiga? Ja još nisam stigao da odem, planiram ovih dana.

Jesi išao ?

Ja se mislim sutra da odem.

alibaba_i_30_godina wrote:

Russki wrote:

alibaba_i_30_godina wrote:Jel' iko išta pazario na sajmu knjiga? Ja još nisam stigao da odem, planiram ovih dana.

Jesi išao ?

Ja se mislim sutra da odem.

Jesam, čak 2 puta. Iznenadio sam se kako je ove godine zimski sajam znatno manji nego je ranije bio, ili mi se možda čini?

Nisam ništa pretjerano pazario. Skoro sve što sam kupio su bile knjige koje namjeravam pokloniti, a sebi uzeh samo onu knjigu Ja, Pink Panter. Jesil' ti uspio nešto naći?

Particles are particles, waves are waves. How can a particle be a wave? Unless you give up idea that it is a particle, and think: Aha this thing I thought was a particle..was actually a wave.
Wave in an ocean? That's not a particle. The ocean is made out of particles, but the waves in the ocean are not the particles. And rocks are not waves. Rocks are rocks. So rock is an example of particle, and ocean wave is an example of an ocean wave, and now somebody is telling you a rock is like an ocean wave.

But maybe the reason physicists haven’t found Supersymmetry (or other physics beyond the Standard Model) is because they’ve been looking through the wrong lens.

“Beautiful sets of models keep getting ruled out,” says Jessie Shelton, a theorist at the University of Illinois, “so we’ve had to take a step back and consider a whole new dimension in our searches, which is the lifetime of these particles.”

In the past, physicists assumed that new particles produced in particle collisions would decay immediately, almost precisely at their points of origin. Scientists can catch particles that behave this way—for example, Higgs bosons—in particle detectors built around particle collision points. But what if new particles had long lifetimes and traveled centimeters—even kilometers—before transforming into something physicists could detect?

This is not unprecedented. Bottom quarks, for instance, can travel a few tenths of a millimeter before decaying into more stable particles. And muons can travel several kilometers (with the help of special relativity) before transforming into electrons and neutrinos. Many theorists are now predicting that there may be clandestine species of particles that behave in a similar fashion. The only catch is that these long-lived particles must rarely interact with ordinary matter, thus explaining why they’ve escaped detection for so long. One possible explanation for this aloof behavior is that long live particles dwell in a hidden sector of physics.

“Hidden-sector particles are separated from ordinary matter by a quantum mechanical energy barrier—like two villages separated by a mountain range,” says Henry Lubatti from the University of Washington. “They can be right next to each other, but without a huge boost in energy to get over the peak, they’ll never be able to interact with each other.”

High-energy collisions generated by the Large Hadron Collider could kick these hidden-sector particles over this energy barrier into our own regime.

GarfieldLover wrote:Prosle sedmice je vidjela u izlogu one male knjizarice preko puta Hastahane

Russki wrote:Gdje u Sa kupiti knjige (osim sajmova) ?

Jel zna netko neko dobro mjesto ?