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A really long time. that was lara talking to caroline criado perez. now let's have a look at this week's tech news, and tech giants have reported slower revenue growth this quarter. google owner alphabet said sales rose by 6% in the six months to september, but this is the us firm's weakest quarterly growth in nearly a decade outside of the start of the pandemic. a robot fish that can gobble up microplastics from water has been brought to life by the university of surrey. gillbert is a prototype of this year's winning entry to the uk's natural robotics contest, and it has gills that can filter...

A University of Surrey student created a 3D robot fish that consumes microplastic from rivers.

Robot fish sucks up microplastics could one day help in cleaning up the world's plastic-polluted oceans. Are robotic fishes the solution to microplastic pollution in oceans?

Chinese scientists develop robot fish that gobble up microplastics

A tiny robot-fish has been designed by scientists to remove microplastics from oceans. This 13-mm-long fish will swim around and adsorb the microplastics through its body. What is special about this fish is that its body is soft, flexible and self-healing. It is also a self-propelled fish. With the help of a light laser system in its tail, the fish can swim and flap around at almost 30 mm a second. It is similar to the speed at which plankton drifts in moving water.