More than one-fifth of US electricity is used to power artificial lighting. Light-emitting diodes based on group III/nitride semiconductors are bringing about a revolution in energy-efficient lighting ...
Argentine, 2001. En pleine crise économique et sociale, Manuel (12 ans) et sa famille doivent s’installer chez sa fantasque grand-mère maternelle, la Tati. Commence alors une étrange guerre pour ...
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