Our society is organized around a scarcity economy to such an extent that many people believe 'scarcity' and 'economy' mean the same thing. Even if it were true, different economies deal with differently scarce things.
MIT professor Neil Gershenfeld talks about his Fab Lab -- a low-cost lab that lets people build things they need using digital and analog tools. It's a simple idea with powerful results:
The age-old practice of turning the soil before planting a new crop is a leading cause of farmland degradation. Many farmers are thus looking to make plowing a thing of the past
Mathematician Andrew Hicks, at Drexel University, Philadelphia, used computer algorithms to generate the mirror's bizarre surface, which curves and bends in different directions.
a not-for-profit organization with videos on YouTube covering everything from basic arithmetic and algebra to differential equations, physics, chemistry, biology and finance which have been recorded by Salman Khan
A manufactured aluminum alloy recovered by Bob White during his UFO encounter in 1985. Emits neutron radiation, shows an unique amorphous peak under X-Ray diffraction and is a polycrystalline semiconductor with a silver concentration of 4.3%, it seems quasi-crystal of complex structure.
Biomimicry & Taxonomy. "Nature's elegant solutions to building challenges include the Scots pine's adaptive growth, the thorny devil's passive water collection, and a leaf's on-site energy production. AskNature can help you solve your design challenges. "