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For a short time, the Crossword Extra was known as the "Crossword Xbox 360 Extra" as a promotion for the Crosswords video game released on Xbox Live Arcade, which also added an Xbox 360 console to the bonus prize during episodes with this promotion. Beginning in late December 2007, players were allowed to bet up to $3,000 in Round 3 if they had ...
There are six leptons in total; the three charged leptons are called "electron-like leptons", while the neutral leptons are called "neutrinos". Neutrinos are known to oscillate, so that neutrinos of definite flavor do not have definite mass: Instead, they exist in a superposition of mass eigenstates.
It was eventually found that the "mu meson" did not participate in the strong nuclear interaction at all, but rather behaved like a heavy version of the electron, and was eventually classed as a lepton like the electron, rather than a meson. Physicists in making this choice decided that properties other than particle mass should control their ...
The tau (τ), also called the tau lepton, tau particle or tauon, is an elementary particle similar to the electron, with negative electric charge and a spin of 1 / 2 .Like the electron, the muon, and the three neutrinos, the tau is a lepton, and like all elementary particles with half-integer spin, the tau has a corresponding antiparticle of opposite charge but equal mass and spin.
Will Shortz, the longtime crossword puzzle editor of the New York Times and NPR’s “puzzlemaster” for more than three decades, suffered a stroke last month and has spent the last several ...
The name lepton comes from the Greek λεπτός leptós, "fine, small, thin" (neuter nominative/accusative singular form: λεπτόν leptón); [14] [15] the earliest attested form of the word is the Mycenaean Greek 𐀩𐀡𐀵, re-po-to, written in Linear B syllabic script. [16] Lepton was first used by physicist Léon Rosenfeld in 1948: [17]
The long-lived neutral kaon is called the K L ("K-long"), decays primarily into three pions, and has a mean lifetime of 5.18 × 10 −8 s. The short-lived neutral kaon is called the K S ("K-short"), decays primarily into two pions, and has a mean lifetime 8.958 × 10 −11 s. Quark structure of the antikaon (K −). (See discussion of neutral ...
The main game includes three classifications of puzzles - Crosswords, Word Searches, and Anagrams. The game uses similar handwriting mechanics to solve the puzzles as the popular Brain Age series of video games, as well as requiring the player to hold the Nintendo DS like a book. All three puzzles have varying difficulty levels, all of them ...