Flávio Gama

Flávio Gama

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40 followers
Porto Alegre Brasil
Flávio Gama
More ideas from Flávio

Nickel–iron batteries manufactured between 1972 and 1975 under the "Exide" brand originally developed in 1901 by Thomas Edison.

Tree Project

Designers Thor te Kulve and Robert McIntyre have devised a clever system that allows anyone to build a spiral staircase up the trunk of a tree without actually hurting it and without using tools.