Positively negative
Article Abstract:
An artificially created material with negative refractive index has opened the door to new phenomena and controversy. New work and experiments finally sets the seal of experimental confirmation on negative refraction.
Publication Name: Nature
Subject: Zoology and wildlife conservation
ISSN: 0028-0836
Year: 2003
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The hole truth
Article Abstract:
The discovery of an unprecedented 'hole' in Antarctica's ozone layer in 1985 is being discussed. The effects on that hole since then to date also forms a part of the discussion.
Publication Name: Nature
Subject: Zoology and wildlife conservation
ISSN: 0028-0836
Year: 2004
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A problem of distance
Article Abstract:
The distance of the Pleiades star cluster from the Earth is discussed. It has been increasing every year and the present distance is being measured.
Publication Name: Nature
Subject: Zoology and wildlife conservation
ISSN: 0028-0836
Year: 2004
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