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7.1 Nano Technology
Answer the following questions and verify your answers. Do your own research and write an informative essay about nano technology.
: A unique phenomenon that occurs in nanoparticles is Gibbs-Thomson effect, which is the _____.
raising of the melting point of a material
lowering of the melting point of a material
instant freezing of material
instant evaporation of material
: The following may be considered naturally occurring nanodevices.
all of these
: _____ refers to a hypothetical end-of-the-world event involving molecular nanotechnology in which out-of-control self-replicating robots consume all living matter on Earth while building more of themselves (a scenario known as ecophagy).
: Critics of nanotechnology point to the potential toxicity of new classes of nanosubstances and compare them to
highly damaging acid rain
green house emissions
microscopic materials like asbestos fibres
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