PBS NewsHour reporter Fred de Sam Lazaro reports on the dozens of retired engineers and agronomists at Compatible Technology International, crafting simple, efficient tools that could save people hours of labor on tasks like threshing grain and shelling peanuts.
St. Paul nonprofit creates simple food prep tools for the developing world
PBS NewsHour’s Fred de Sam Lazaro reports on the dozens of retired engineers and agronomists at CTI crafting simple, efficient tools for threshing grain and shelling peanuts.
