单词：extra warp fabric
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This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Albert Einstein wins again. A new study has confirmed another prediction of his theory of general relativity. The corroboration appears online in the jou
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VOICE ONE: I'm Doug Johnson. VOICE TWO: B.J. Adams in her studio And I'm Faith Lapidus with EXPLORATIONS in VOA Special English. At craft shows and corporate headquarters across the United States, you might see works by the artist B.J. Adams. She ma
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EXPLORATIONS - Exploring Textile Arts Through History and Around the World DOUG JOHNSON: Im Doug Johnson. FAITH LAPIDUS: And Im Faith Lapidus with EXPLORATIONS in VOA Special English. At craft shows and corporate headquarters across the United States
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It takes a village to raise a child. Well, the same is true for finding what are called spaceworps. That's according to astophysicists who are calling for volunteers to aid in the search for gravitational lenses. Astronomical objects are so massive t
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The most challenging and nonintuitive of all the concepts in the general theory of relativity is the idea that time is part of space. Our instinct is to regard time as eternal, absolute, immutablenothing can disturb its steady tick. In fact, accordin
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while, suspended from a bough, the terrific lower jaw vibrated over all the devotees, like the hair-hung sword that so affrighted Damocles. 而那只挂在大树枝上的、在一切皈依者头顶颤动着的可怕的下颚，就象是把达摩克利兹
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