Researchers at the University of California, Berkeley, have developed a cockroach-inspired robot that uses body streamlining to negotiate obstacles. Postdoctoral Fellow Chen Li built cockroach-like robots with rounded, streamlined carapaces that can slip through gaps thanks to their streamlined shape, outperforming typical box-like robots.
Most robots deal with obstacles by avoiding them. They use maps and programmed paths to go around obstacles, and sensors to add a degree of autonomous decision-making. And that approach has worked out really well, for the most part. But tiny insect-sized robots can’t carry large, heavy, and expensive sensors.
Adaptive Micro-Robots With Minimal Sensors and Simple Controls
Therefore, the development of a tiny robot that can navigate rough terrain and tiny gaps without the use of sensors is an important innovation that could open up new applications of robotics, for example in environmental monitoring and search and rescue operations. But, after further miniaturization, very small and highly mobile robots could find also applications in combat and law enforcement – and, of course, crime.
“We showed that our robot can traverse grass-like beam obstacles at high probability, without adding any sensory feedback or changes in motor control, thanks to the thin, rounded shell that allows the robot body to roll to reduce terrain resistance.” said Li.
These new concepts will enable terrestrial robots to go through various cluttered environments with minimal sensors and simple controls.
When the robot was fitted with the cockroach-inspired rounded shell, it was much more likely to successfully move through obstacles using a roll manoeuvre similar to that observed in live cockroaches. This adaptive behavior came about with no change to the robot programming, showing that the intelligent behavior came from the shell.
The research has been published in Bioinspiration & Biomimetics with the title “Terradynamically streamlined shapes in animals and robots enhance traversability through densely cluttered terrain” (open access).
In related news, Shanghai Jiao Tong University (SJTU) postgraduate student Li Guangye, working in the Laboratory for Bio Robotics and Biological Robots, controlled a living cockroach with his mind.
The research established a functional “brain-brain interface” between human and cockroach, sending signals from the human mind to the brain of a cockroach and achieving remote wireless control of the cockroach’s action. The brain signals of the operator are picked up by EEG, decoded and converted to commands, which are sent to a backpack receiver on the back of the cockroach. The backpack then sends specific electric pulses to the cockroach’s nervous system, enabling the control of the cockroach by the operator.
Merging the two approaches would permit creating mind-controlled robotic insects.
Images from UC Berkeley and Wikimedia Commons.
Elon Musk Hints at Advances in ‘Neural Lace’ Brain Hacking Tech
Visionary and sometimes controversial entrepreneur Elon Musk hinted at advances in next-generation brain hacking. Recent research results promise future “neural lace” technology that could enhance our brains and connect them to the cloud.
The Possibilities and the Future of Brain Hacking
For all of man’s scientific and technological advances, the human brain largely remains a mystery. A new Vimeo video, “Master/Mind,” examines the state of research on the human mind and the questions that scientists, ethicists, futurists and others are asking in light of what we’re learning about the mind. The video, a Vimeo Staff Pick, consists of a series of comments from scientists, technologist, futurists and ethicists.
Automation, robotics and artificial intelligence are developing so rapidly that many people are wondering if some day, man will no longer harness science but rather be controlled by it. As this question weighs heavily on peoples’ mind, there has been a focus on understanding the human brain.
The central issue the video explores is: New technologies are beginning to unlock the brain’s true potential, but at what cost to our humanity?
“We can identify galaxies light years away, but we still haven’t unlocked the mystery of the three pounds of matter that sits between our ears,” President Obama states at the outset of the video’s journey.
The video shows a recent news report that scientists are seeing neurons change in real-time as events are “recorded” in the brain.
An Organ Of Surreal Complexity
“This is an organ of surreal complexity, and we are just beginning to understand how to even study it,” says Thomas R. Insel, M.D., director of the National Institute of Mental Health.
Sebastian Seung, Ph.D., Princeton Neuroscience Institute professor of computer science, says scientists have speculated that human memories, “the information that makes you, you,” are stored in the connections between the brain’s neurons.
The video examines various approaches to the study of the brain, from the universities to self-taught technology geeks.
The brain consists of 86 billion neurons and the neurons are connected via synapses and other matter. It’s a vast network of connections.
Scientists think synapses record what happens when someone learns something. The video shows what appear to be synapse images.
EEG Detects Brain’s Electrical Activity
Joel Murphy, co-founder of a technology consultancy called OpenBCI, sought to create a low-cost, open source electroencephalography (EEG) system that detects electrical activity in the brain. His partner, Conor Russomanno, found a “how to hack EEG’s” tutorial and was able to do it in one day. “I think everybody is interested in the brain these days,” Russomanno says. Technologies are emerging allowing us to tap in and “figure out what’s going on in there.”
The video examines the laboratory research using electrodes that attach to the human body and allow scientists to monitor fluctuations in electrical activity. Scientists are trying to understand the meaning of these frequencies and relate them to things that people perceive or experience in their everyday lives.
“I think brain computer interfaces are going to be instrumental in human evolution,” Russomanno says.
“Conceivably you could image your brain every two weeks and you would never lose more than two weeks of your experience,” says Russell Hanson, Ph.D., founder of a firm called Brain Backups.
Science Versus Ethics
The video also explores the tension between ethics and science.
Arthur Caplan, Ph.D., director of New York University (NYU) division of medical ethics, says myths throughout history are cautionary about going too far with human knowledge. But in modern times, people have been wondering about controlling new power, be it medical or physics. If we talk about modifying the brain, people worry about losing their identities, Caplan says.
In recent years, science has considered how technology can enhance human capability, such as wearable technology.
Futurist and inventor Raymond Kurzweil says thinking will be a hybrid, biological and non-biological.
Nick Bostrom, Ph.D., author and philosopher, says machine intelligence is the last invention that will need to be made. Machines will eventually be better at inventing than humans. “Once there is super intelligence, the fate of humanity may depend on what this super-intelligence does,” he says.
“Once they go in there (the brain) and tinker, what they are eventually going to do is very crude control and mostly destruction,” says Peter Breggin, M.D., a psychiatrist. “It’s the seat of our humanity, and that’s what they’re tampering with.”
What Makes Us Human?
A narrator notes near the end of the video that man does not have the ability to do what he is doing if it wasn’t intended in the first place. From the beginning of time, man has worked to control the environment.
“We develop technology to improve the human experience,” Russomanno says. “Whatever we turn into or whatever we become, we need to make sure that we’re still human.”
“It seems to me the brain alterations are closer to changing who we are, so we have to be careful about what we want to be,” Caplan of NYU says.
“What is it about the human brain that could potentially never be replicated artificially?” asks Lydia Fazzio, M.D., founder of biohackers NYC. “To be human is to incorporate a bit of the erratic, of the unpredictable, and that is what I hope continues.”
Image from Shutterstock.
Researchers Link Human Brains for Questions and Answers Game
University of Washington researchers used a direct brain-to-brain connection to enable pairs of participants to play a question-and-answer game by transmitting signals from one brain to the other over the Internet. The experiment is thought to be the first to show that two brains can be directly linked to allow one person to guess what’s on another person’s mind.
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