Design for Maximum Constraints
John Maeda writes thoughtfully about simplicity and design at his MIT-based blog. He just posted a great bit about Paul Polak's design for a low-resouce flashlight. Design under difficult conditions can lead to the same creative insight as design on a limitless budget.
"... this prototype flashlight that is completely solar powered (recharged in sunlight), easily constructed from common off-the-shelf parts, and can last for well over a decade of use.