every year, the james dyson foundation holds a worldwide competition for the best inventions of the year that answer a simple brief design something that solves a problem. before the announcement of the big winner on november 6th, dyson has unveiled the top 20 inventions.this years&39 finalists contain several packaging innovations, including a gelatin based label for meat, reusable tough cardboard panniers, and a self filling bikepowered water bottle that harvests water from the air.packtascheshopping bag for cyclists by bicyclists "we developed the packtasche during an idea competition for &ldquocycling in the city&rdquo. the decision which problem to tackle was taken quite fast, the only thing missing was the fabrication material. cardboard is a widely used material in our profession for building models and due to its favorable attritbutes like stability, weight and recyclability it proved to be the perfect material for our purpose. after building and testing a number of prototypes and several runs of design optimisation we built our first fully useable prototype. especially the driving characteristics with loaded cargo and the quick and easy transformation from pedestrianmode to bikemode were key development goals."