A Venetian blind made from flexible solar cells can light up a room without a power supply.
The Blight blinds were designed by Vincent Gerkens, who says that because people adjust Venetian blinds throughout the day to maximise the amount of sunlight they block out, his design catches much of the available sunlight.
When darkness falls, energy collected in a battery is used to power an electroluminescent foil built into the blinds, which lights the room.
(Image: Greener Gadgets)
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