2 Ergebnisse für: 8.890.032
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LISA's Disturbance Reduction System (2/2) by Bonny Schumaker - GW Course: astro-gr.org - YouTube
https://www.youtube.com/watch?v=argB2hJXbfA
LISA's Disturbance Reduction System (2/2), by Bonny Schumaker. This is one lecture of the Online Course On Gravitational Waves put together by Pau Amaro-Seoa...
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Terra Preta Sanitation - Container Toilet with Lactic Acid Fermentation - YouTube
https://www.youtube.com/watch?v=w_R09cYq6ys
The sanitation problem is basically solved. For just a few cents per person and day toilets can be installed almost everywehre - however, it will require a c...