Scientist have designed artificial version of venus fly trap

My Times Today.

Scientists have created a 3D-printed artificial version of the Venus flytrap plant that can selectively capture small objects in response to external, environmental cues, without the need for any batteries, circuits or processors of any kind.

The technology may pave the way for aquatic pollution-monitoring devices that can be designed to open and collect a sample only in the presence of an oil-based chemical and when the temperature is over a certain threshold.Even without a brain or a nervous system, the Venus flytrap makes sophisticated decisions about when to snap shut on potential prey, as well as to open when it has accidentally caught something it can’t eat. Researchers at the University of Pennsylvania in the US have taken inspiration from these sorts of systems.

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