development

Full video of William Kamkwamba speaking at MIT

A few months ago, William Kamkwamba spoke at MIT as he wrapped up a speaking tour of the US with coauthor Bryan Mealer. This video is the whole evening’s presentation, and includes the introductions and question/answer session afterward. William starts at around 11 minutes.
The talk was sponsored by MIT’s Technology and Culture series and he was introduced by Amy Smith of D-Lab. There is a brief segment in the evening on Moving Windmills, a documentary film about William and his story.

Solar powered hearing aid

Solar powered hearing aid

[Photo from Godisa] Approximately 10% of the world population has a disabling hearing impairment, and 80% of them live in developing countries. The most expensive part of a hearing aid is the battery, which needs to be continually replaced. The Solar Aid solar-powered hearing-aid battery recharger, developed in Botswana, helps those with hearing disabilities afford […]

Put it on a bike!

In Malawi, like in many other developing countries, the bicycle is king for transportation and cargo carrying. The bikes we saw a few years ago were primarily Chinese or Indian manufactured. They looked like the old 3 speeds once widely available in the states. On the back of nearly every one was a sturdy steel […]