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Israeli researchers develop the smallest micro robot designed to crawl inside the human body's smallest tubes. Israeli researchers are developing a micro robot which is designed to travel through the tiniest channels in the human body so as to access areas that current technology can not reach. Researchers hope this could lead to breakthroughs in diagnostic and therapeutic procedures. The device being developed by a group of researchers at the Technion, Israel's Institute for Technology, is the smallest robot in the world that does not require any external or additional aid in order to crawl through the smallest of diameters. A group of scientists, headed by Professor Moshe Shoham of the Department for Technical Engineer, built the robot which is 1 millimeter in width and 4 millimeter in length and uses an external source of energy. Future robots can be much smaller, Shoham said. "The thing that make this special is the size that we are achieved in this project and the mechanism that can actually propel inside the body, so we think that even the size that right now we have, which I have said is about 1 millimeter, we can reduce it even further because the type of actuations enables us to make it even smaller than that," Shoham said. Current technology allows doctors to insert small objects which carry medicine, cameras and other devices into the body. These objects are usually inserted using plastic guiding tubes and are attached to various cables for energy or transmi...