Physics
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By John Matson Hot on the heels of detecting the two highest-energy neutrinos ever observed, scientists working with a mammoth particle detector buried in ice near the South Pole unveiled preliminary data showing that they also registered the signal of 26 additional high-energy neutrinos.
IceCube Neutrino Observatory Detects Mysterious High-Energy Particles
Dark matter experiment CDMS sees three tentative clues
15 April 2013 Last updated at 16:08 ET By Jason Palmer Science and technology reporter, BBC News, Denver, Colorado The CDMS experiment is based underground at the Soudan mine in Minnesota, US
New measurements have been released by the LHCb collaboration on the search for matter anti-matter differences (CP violation) in particles containing charm quarks. A previous LHCb measurement gave a first hint of CP violation differences in the charm sector. This was further strengthened by results from two other experiments (CDF in the USA, and Belle in Japan).
PHYSICS HIGHLIGHTS - PLAIN ENGLISH SUMMARIES
BOSTON — Big news in the search for dark matter may be coming in about two weeks, the leader of a space-based particle physics experiment said today (Feb. 17) here at the annual meeting of the American Association for the Advancement of Science.
Has Dark Matter Finally Been Found? Big News Soon
Hans Bethe: Quantum Physics Made Relatively Simple
(Personal and Historical Perspectives of Hans Bethe) by Aug 17
Michio Kaku: The Universe in a Nutshell
Haha I did wonder too! Love listening to him. Just finishing that vid now by Aug 16
Finally, the mystery is solved... his first name is pronounced Mit-chi-oo. (I always thought it was Mi-shi-oo). :-)
Seriously though, it's a great vid. I especially liked the bit where he calls the standard model out for its ugliness... by Aug 16
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MinutePhysics
Known as Xi(b)* (pronounced "csai bee-star"), the new particle is a baryon, a type of matter made up of three even smaller pieces called quarks. Protons and neutrons, which make up the nuclei of atoms, are also baryons. (Related: "Proton Smaller Than Thought—May Rewrite Laws of Physics." ) The Xi(b)* particle belongs to the so-called beauty baryons, particles that all contain a bottom quark, also known as a beauty quark. The newfound particle had long been predicted by theory but had never been observed. Although finding Xi(b)* wasn't exactly a surprise, the discovery should help scientists solve the larger puzzle of how matter is formed.
"Beautiful" New Particle Found at LHC
What Today's Higgs Boson Discovery Really Means
Meanwhile in America, republicans are winning the war on science.... Thousands of Louisiana students will receive state voucher money, transferred from public school funding, to attend private religious schools. What will they learn there?Why do we believe in electrons, but not in fairies?
by Benjamin Kuipers No one has directly observed either electrons or fairies. Both of them are theoretical constructs, useful to explain observations that might be difficult to explain otherwise. The "theory of fairies" can actually explain more things than the "theory of electrons". So why do we believe in electrons, but not in fairies?
Physics
Schematic of creating a space-time crystal. a, A possible structure of a space-time crystal. It has periodic structures in both space and time. The particles rotate in one direction even at the lowest energy state. b, Ultracold ions confined in a ring-shaped trapping potential in a weak magnetic field. The mass and charge of each ion are M and q, respectively.
ics team proposes a way to create an actual space-time crystal
