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"Physicists Measure Elusive 'Persistent Current' That Flows Forever"

09.10.09

 


"The counterintuitive current is the result of a quantum mechanical effect that influences how electrons travel through metals, and arises from the same kind of motion that allows the electrons inside an atom to orbit the nucleus forever. “These are ordinary, non-superconducting metal rings, which we typically think of as resistors,” Harris said. “Yet these currents will flow forever, even in the absence of an applied voltage.”

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Comentário no Público à chegada da sonda LCROSS à Lua

09.10.09

 

 


"Como alunaram na metade que estava às escuras - podiam ter escolhido a metade iluminada pelo sol -, por que razão não se vêem pontos luminosos no horizonte? Naturalmente, refiro-me à visualização de estrelas e planetas no espaço. Como a lua não tem atmosfera, não é suposto existirem nuvens. Isto para não mencionar as impossibilidades técnicas para recolher algumas das imagens que nos impingiram."

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Where do you see yourself 5 years from now?

09.10.09

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Ángel Sánchez Seoane - Theyyam

09.10.09

 

 

 

Da Wikipedia - "Theyyam or Theyyattam is a popular Hindu ritual of worship in North Kerala state, India, predominant in the Kolathunadu area (consisting of present-day Kannur and Kasargod districts). As a living cult with several thousand-year-old traditions, rituals and customs, it embraces almost all the castes and classes of the Hindu religion in this region. The performers of Theyyam belong to the indigenous tribal community, and have an important position in Theyyam. This is unique, since only in Kerala, do both the upper-caste Brahmins and lower-caste tribals share an important position in a major form of worship. The term Theyyam is a corrupt form of Devam or God. People of these districts consider Theyyam itself as a God and they seek blessings from this Theyyam.A similar custom is followed in the Tulu Nadu region of neighbouring Karnataka known as Bhuta Kola"

 

 

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