“But,” thought Myriel Milicevic and Hanspeter Kadel from Neighbourhood Satellites, “these structural leakages are, in essence, a multitude of free power outlets for anyone wishing to collect them.” So they created a series of devices that could collect energy leaks in the form of light, sound, vibrations, water and air, and could use that energy to recharge batteries.

As the prototypes were distributed around Berlin, some interesting questions were raised: if this system was extended, what kind of social and economic models might appear as a result? Would people apply it in their own homes? Would they donate the energy they collected, or claim ownership of it? Would new service providers emerge, such as people collecting energy for others? These devices transform the following types of energy leaks into usable energy:

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