Engineers use insect-sized drones, successfully pollinate flowers. The underside of the drones had a strip of horse hair attached that was coated with a special ionic gel. The gel was a result of a failed experiment, it was originally developed to be used as a electrical conductor.

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Engineers use insect-sized drones, successfully pollinate flowers. The underside of the drones had a strip of horse hair attached that was coated with a special ionic gel. The gel was a result of a failed experiment, it was originally developed to be used as a electrical conductor.