2016-08-31

“In this experiment sunlight and sand are used as raw energy and material to produce glass objects using a 3D printing process, that combines natural energy and material with high-tech production technology.”

“My son excitedly called me over to point out that 1/998 has decimal digits of successive powers of 2. 0.001002004008016032064128256”


links collected by
Maciej Konieczny

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