With us you can turn your biogenic waste materials into marketable products! Qalovis is an innovative manufacturer of customised machines and systems for refining biogenic waste materials from biogas plants and livestock farming.
MechaniCards Brad Litwin of Philadelphia creates miniature, hand-operated sculptures composed of paperboard that he calls MechaniCards. In addition to the paperboard, each card has wood, plastic, or metal elements that are integral to the movement.
We don't know much about this little contraption but for sure some ingenuity went into building it. Watch how this amazing little car goes around powered only by a big coil spring and a clever arrangement of gears.