Dealing with industrial waste is a growing problem in the 21st century, and heavy metals are one of the main pollutants. At Max Planck Institute, researchers have created graphene microbots that remove up to 95% of the lead in polluted waters in just one hour. These microbots are amazing because they are self-propelling, can be easily removed from the watery environment by magnets, and after treatment, the lead absorbed by the microbots can possibly be reused! Its environmentally and economically friendly and a possible solution to the growing water contamination caused by industries dumping waste into water ways.
Though this is a significant step to undoing the pollution created, hopefully in the future we will cultivate ideas on how to reduce, prevent and/or eliminate our impact on the environment -- shift focus towards source reduction.
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