A new study shows that a swarm of hundreds of thousands of tiny microbots can be deployed into industrial wastewater to absorb and remove toxic heavy metals. The researchers found that the microbots can remove 95% of the lead in polluted water in one hour.

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A new study shows that a swarm of hundreds of thousands of tiny microbots can be deployed into industrial wastewater to absorb and remove toxic heavy metals. The researchers found that the microbots can remove 95% of the lead in polluted water in one hour.