<p>Machines to shred, melt and mould waste plastic are popping up in workshops around the world - from the UK to Malaysia, Kenya to Mexico.
The project is being led by an organisation called Precious Plastic. They put designs for the devices online for anyone to download and build themselves.
More than 400 teams around the world are now taking on the c ... Show More
Sep 1
Saving mothers and babies
In 2017, Spanish engineer Pablo Bergasa began an unusual hobby: to design a new incubator for use in African hospitals. Eight years on, he has sent 200 of his machines around the world, and he estimates they have saved the lives of 5,000 babies. Pablo’s incubator costs just a sma ... Show More
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