Page 17 - cosmos4
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Electricity is helping design the next generation of solar panels, and efficient low-
energy lighting.
On the other hand Nanotechnology is recently developed and there could be unknown
complications. For example, if the materials are bad for people's health or for nature.
They may have an adverse effect on the economy or even larger natural systems like
the Earth itself. Some groups argue that there should be guidelines about the use of
nanotechnology.
