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One of the smallest traps in the world is inspiring physicists in studies of fluids. Bladderworts are a type of plant that grows in standing water or wet soil, and sometimes in very rough conditions. A unique aspect of this plant is its underwater roots which include many microscopic bladder-like traps. The trap looks like a small bubble and is covered with tiny hairs and “trap-doors.” The plants capture tadpoles, protozoa, or even water fleas, depending upon the species. When the unsuspecting victim approaches the trap-door, it suddenly opens, sucks in the creature, and then shuts again, all in less than one-thousandth of a second. Bladderworts are among the smallest carnivorous plants in the world.
Technical application:
ultra thin pipettes
Bionic application:
Further description:
The “bladder” part of the trap is emptied of water, creating a partial vacuum. When suddenly opened, in-rushing fluid draws in any nearby creature. The trap-door itself is a marvel, opening like a popped balloon and then quickly reclosing perfectly to reset the trap. Physicists plan to use the bladderwort as a model for moving fluids at the microscopic level. Biotechnology requires the ability to manipulate small amounts of liquid using tools such as ultra-small pipettes. The bladderwort functions very similar to a pipette, and can be used to design lab equipment for scientific research at the level of micro fluids.
Capillary action, Sorption
Video:
Contact:
Sources & Picture-sources:
www.sciencenews.org.
http://www.discoveryofdesign.com
