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We are all dependent to each other. Taken from TEDTalks
mdemirst • 10,415,904 views
Biodigestor casero con caneca de 55 galones, para el prosesamiento de desechos de cosina y produccion de biogas y produccion de bioabonos, en 3d po...
cantor676 • 100,934 views
BTCInstrumentation • 100,905 views
This is a simple construction of a pipe bender. This is for a certain pipe diameter with a certain curve radius. For other specs, the handle assemb...
jmsapinoso • 280,391 views
Home made tube bender made from a couple of belt pulleys and scrap steel.
Doesn't look like much but works just fine.
Build cost $10.
hairyalien • 224,750 views
biotechhq • 3,589 views
La Cocina Escolar (estufa) ha sido diseñada para poder optimizar el tiempo para cocinar en las escuela y optimizar el uso de leña, ha sido probada ...
gpfalcon53 • 13,016 views
This video shows a spreadsheet that I created for visualizing VAWT blade shapes.
https://sites.google.com/si...
777strongcoffee • 1,423 views
This shows the drag of the generator hub compared to a regular hub.
eg14 • 96,026 views
A variation of the "Slapshot" deep well cylinder from Hydromissions. The Slapshot allows you to manually pump well water at depths far beyond suct...
engineer775 • 32,443 views
www.mayapedal.org
This is my multiuse bike machine.
Its functions include:
-knife sharpener, to maintain farming equipment
-grinder, for grindin...
astromilio • 116,457 views