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The Energy Curtain is a window shade that is specially woven
from a unique blend - a blend of textiles, solar collection and
light emitting materials. It is the product of a research project
funded by the Swedish Energy Agency.
During the day, the shade is drawn, lessening the sun's impact
inside a dwelling.
At night, the energy recovered by the curtain is displayed as
a glowing pattern on the inside surface of the shade.
The Energy Curtain fabric consists of two layers.
The inner layer is woven with optical fibers and the outer layer
integrates solar cells.
Polyester filament yarns in the middle and on the sides are
drawn through the curtain and connected to a bar across the
top and bottom.
The Energy Curtain shows how power can be made integral to
the function and aesthetic expression of an otherwise ordinary
artifact. The residents are actually faced with a choice about
energy: they can pull the curtain aside to enjoy the sun's
illumination and heat during the day, or they can pull the
curtain closed, and make use of the energy gained that
from above link:
"The global growth in carbon dioxide emissions from fossil fuels was 4 times greater in the period between 2000 to 2005 than in the preceding 10 years, say scientists gathering in Beijing today for an international conference on global environmental change."