DIY planes in Kenya
Student Mubarak Muhammed Abdullahi spent around a year building a 12-metre (39-ft) long helicopter out of spare parts.
Technology can inspire us to make new things -- even if we don't have official training. You might not want to work with a self-taught plumber, though self-taught coders build impressive websites all the time. So what about a self-taught airplane builder?
In Kenya, a growing group of amateur aviation enthusiasts are building homemade flying machines out of everything from junk metal to old car engines.
Jonathan Kalan, who has been reporting on these projects for the BBC, joins Marketplace Tech host Ben Johnson with the details.
You can see photos of Kenya's homemade aircraft here.