It would be useful to invent
a self-sufficient lighting
technology appropriate to
this location. One possible
approach to this challenge
could be to find more efficient
battery powered lanterns
using available materials.
Another possibility is to
design a light with a self-sufficient,
environmentally friendly,
and inexpensive power source.
There is also the possibility
of non-electrical solutions
with greater light output
and/or fuel efficiency. Full Description