Progress hampering, corruption common, self crippling, easily dominated. But not everyone in the first world wishes to advantage those geographically less developed.
British designers Martin Riddford and Jim Reeves recognized a problem that has more implications than just merely providing light. Perhaps the most ambitious, most challenging and most noble of obstacles; energy.
The implications of this quite tremendous as further R&D improves efficiency and has the potential to power much more than LED light nodes.
Original launch for the Gravity Light was $55,000 to produce 1,000 units for less than $5.00 per unit. But a short run on Indiegogo and more than $400,000 was devoted. Easily an investment where only return being the fulfillment of the original launch plan is the worthwhile return.
No fuel, not solar power, not even a battery, no foreseeable negative impact to environment.
Respect to you Martin and Jim. On this day, December 25th 1642, borthday of Sir Isaac Newton.
Visit their website: http://deciwatt.org/