The abstract includes this rationale: "Our design is optimized to permit large sale [sic] production in short time and at a limited cost, relying on off-the-she

The abstract includes this rationale: "Our design is optimized to permit large sale [sic] production in short time and at a limited cost, relying on off-the-shelf components, readily available worldwide from hardware suppliers" The researchers believe that these could be quickly slapped together in substantial quantities in many parts of the world.