perhaps its possible to have more ingenious way to bring along a light.
perhaps there could be a flat LED bulb that can be charged and set aside and all u need is to bring along a foldable deflector sticker to deflect the light from the source. deflector sticker/poster can readily be folded away when not in use.
of cos the prob is also on how feasible is this idea for pple who need lighting at extended times. say when u get trapped under rubble....
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