RT @newsycombinator: Self-healing material can build itself from carbon in the air https://t.co/sAGLMcBLu3 0 atbildes

Ernests Štāls
(11.10.2018 8:52:49)
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RT @newsycombinator: Self-healing material can build itself from carbon in the air https://t.co/sAGLMcBLu3