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Young Sanjay and his friends have abandoned their fertile northern India farm fields and taken up a more dangerous line of work: collecting copper powder by submerging discarded circuit boards in nitric acid, and selling the usable leftover materials to factories. In many ways, their process is similar to farm work, requiring them to cut, clean, and sort through the circuit boards. Their harvest, however, is anything but sustainable: it poisons their lungs and the land that used to provide for them.
Director: Mike Paterson
Website: 94 Elements
Jocelyn Bell discovered pulsars. The Nobel Prize went to her supervisor
Animals and humans
A bluesy ballad tells the story of Old Bet, the first circus elephant in the US
In this 1975 lecture, the maglev train’s inventor deconstructs his ingenious design
Information and communication
There are many ways to make a flat map of the world – each of them a unique distortion
What is it like to clean the world for tomorrow while the rest of a city sleeps?
The nearly forgotten origin myth of Hawaii’s third-gender healers, as told by one
A whirlwind tour of Hong Kong’s high-rises is an awesome meditation on urbanity
Sports and games
After a day’s toil in California’s fields, labourers let loose in street races
History of technology
Remarkable historical footage is locked behind paywalls. It’s time to set it free