Two engineers from Europe have decided to start their search for low tech in Africa in Senegal this month, teaching workshops to share concepts and solutions based on creative inventions and life hacks.

Low tech, or low technology often involves repurposing old techniques to meet modern needs, such as solar-powered hearing aids, using bike power to charge phones and desert fridges.Click on the 'play' button above to hear Emmanuelle Landais's report from Dakar.