Matthew Urwin | Oct 31, 2022

Pop culture is perhaps the main culprit for the public’s warped perception of the future of robotics. Although figures like C3PO in Star Wars, Data in Star Trek and the cyborg in The Terminator have given robotics some flashy mainstream appeal, they have also established narrow expectations for what robots could be and accomplish in the future.

“I’m never going to rule stuff out,” said Blake Hannaford, robotics professor at the University of Washington in Seattle. “But if you look back on science fiction from the ’50s and ’60s and compare it to today, it really missed the mark.”

For better or for worse, robots have defied human expectations. It’s unlikely that we’ll have to beware of Schwarzenegger-esque killer robots anytime soon, but even so, the future of robotics is sure to have surprises in store.

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What Is Robotics?

First, let’s cover some of the basics. Robotics is the practice of designing and manufacturing robots, which perform physical tasks for humans and may possess some degree of autonomy. The field is interdisciplinary by nature, connecting to areas like engineering, computer science and artificial intelligence.

While robots on the big screen often demonstrate human traits, the robotics field encompasses everything from humanoid machines to robotic arms that operate in an assembly line. Robots are already assisting humans in completing major surgeries, rescue operations and climate explorations. While robots fulfill wide-ranging roles, there are certain characteristics that link them under the same umbrella. 


What Are Robots?

A robot is a machine that performs tasks typically completed by humans. Different robots come with varying degrees of automation, but each should be able to complete a certain set of tasks on its own. Here are a few basic traits common to all robots:

  1. Robots display a physical form made of mechanical parts. 
  2. All robots require an electric current — whether from batteries or built-in circuitry — to power their movements and decisions.
  3. Each robot is guided by programming software and rules that allow them to complete actions and sometimes make decisions on its own.    

Contrary to people’s tendency to paint robots in a human light, it’s a degree of inhumanness that defines robots. The ways robots fall short of or surpass human abilities will shape the future of human-robot relationships, and that future proves to be complex with both exciting and cautious undertones as robot types proliferate.


Types of Robots

The robotics ecosystem undergoes constant change, but there are still types of robots that appear most often. Below are five of the main categories that robots fall under, covering everything from chatbots to humanoids. 


Pre-Programmed Robots

Pre-programmed robots are given commands beforehand and cannot change their behavior while performing an action. These types of robots are ideal for completing a single, repetitive task.


Humanoid Robots

Humanoid robots exhibit human-like physical features and even facial expressions. Their human resemblance makes them a good fit for service jobs that require face-to-face human interaction.


Autonomous Robots

Autonomous robots can perform actions and make decisions without human intervention. These robots depend on complex computers to perceive and analyze their surroundings. 


Teleoperated Robots

Teleoperated robots are remotely controlled by a human operator through a wireless system like Wi-Fi. They are ideal for performing high-risk actions in extreme environments. 


Augmenting Robots

Augmenting robots combine with the human body to supplement a current ability or replace a lost ability. Examples like prosthetic legs have improved people’s quality of life. 


Software Bots

Software bots are computer applications that rely on pieces of code to complete actions on their own. Because these bots only exist in online or computer forms, they aren’t considered robots.


Advantages and Disadvantages of Robots

The dialogue surrounding robots is complicated, evoking both hope and fear from different parties. While there is no doubt that robotics is forever changing society, the impact on humans remains uncertain in light of the benefits and consequences that robots present.


Advantages of Robots

There are many reasons to have an optimistic view on robots, including more advancements in other fields and opportunities for humans to perform more interesting, highly-skilled jobs.

Increased Innovation

Robotics often leads to breakthroughs in other fields because of its interdisciplinary nature.  Computing power is necessary to fuel robots, and its growth has led to improvements in various technologies. For example, a smartphone can last longer and perform more tasks with the same battery life as its predecessors. More efficient computing power has also helped computer vision and natural language processing make great strides with the goal of enabling robots to better compile and learn from visual data.

As companies push for more intelligent robots, developers will need to create more advanced software to meet these demands as well. The interconnectedness of robotics encourages many fields to move beyond the limits of current knowledge.

Complementary Support

While some workers view robots as replacements, many workers are finding robots to be excellent complements in their work environments. Collaborative robots, also known as cobots, have stepped up to handle repetitive, mundane job duties that require little intellectual exercise from an average human being. In the finance industry, cobots conduct audits and detect fraud, allowing employees to reallocate more time and energy toward complex projects. 

By supporting their employees and customers with robots, companies can enjoy higher productivity levels and profits.

New Job Opportunities

It’s true that the introduction of robots will alter the job landscape, but the disappearance of some roles also makes room for higher-level jobs. For every worker replaced by a robot, companies still need to hire software developers and other tech professionals who know how to maintain robotics technology. In this sense, one could argue that robots have overtaken boring jobs and have paved the way for more improved jobs.  

For companies suffering from a shortage of workers, robotics also provides a golden opportunity to upgrade their operations. Businesses can team up with robots to automate tasks, introduce employees to new technologies and give them more time to rest and apply their energies accordingly.


Disadvantages of Robots

Robotics has and will continue to change how people live and work, and not all of these changes are beneficial — which is why realistic concerns have been raised.

Privacy and Security Issues

Deciding where to draw boundaries has been a point of contention with robots. AI and robotics come with a range of potential security threats, such as performing surveillance, carrying out social engineering schemes and even committing physical attacks.

Another nightmare scenario for political and business leaders would be an accident involving a robot, such as a drone colliding with an airplane. While these are examples of worst-case events, the industry may need more regulations to ensure robots are applied in a safe and ethical manner.

Unfamiliar Technologies

Robots may lead to a higher demand for tech-based roles to maintain this technology, but not all employees have the skills needed for these jobs. Besides in-depth training, a four-year computer science degree comes with a certain level of prestige that no amount of upskilling may be able to match. As a result, current employees who can’t afford college may get left behind in the wake of a robot revolution. 

Job Competition

The automation capabilities of robots mean many workers are likely to be replaced by AI and robotics technologies. In fact, it’s expected that machines will disrupt 85 million jobs by 2025 as workforces resemble more of a human-machine hybrid. And within these hybrid settings, humans may struggle to keep pace with their robot counterparts.  

A combination of expanding technologies and a lack of tech talent could hint at a brutal job market for many workers. As AI and robots encroach into areas where humans perform manual labor, workers will need to broaden their skill sets and keep themselves marketable in a job ecosystem shaped by more high-tech roles.


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The Future of Robotics

At companies and universities around the world, engineers and computer scientists are devising ways to make robots more perceptive and dextrous.

The robotics industry worldwide keeps innovating, combining artificial intelligence and computer vision and other sensory technologies, according to Analytics Insight magazine. The magazine noted that newer iterations of robots are easier to set up and program than their predecessors. Some notable developments in recent years include high-tech ocean robots that explore the world underneath the waves; a robot named Saul that shoots UV rays at the Ebola virus to destroy it; and an AI-controlled therapeutic robot that helps caregivers and patients communicate more efficiently, which reduces stress.

Robots are becoming more human-like in cognitive ability and, in some cases, appearance. In warehouses and factories, at fast food joints and clothing retailers, they’re already working alongside humans. This one, in Germany, can pick like a champ. They’re even starting to perform functions that have typically been the domain of humans, such as making coffee, caring for the elderly and, crucially, ferrying toilet paper. Robots have even made their way into the agriculture and biomedical sectors, harvesting crops, treating diseases and performing other essential tasks. But no matter which sector they serve, robots are far less advanced than many thought they’d be by now.


Will Robots Steal Your Job?

Going forward, Hannaford said, robots will “free up people’s brains” to perform other, more complex tasks. But just as the industrial revolution displaced countless humans who performed manual labor, the robotics revolution won’t happen — and isn’t happening — “without pain and fear and disruption.”

“There’s going to be a lot of people who fall by the wayside,” he said of the countless jobs that will be automated or disappear entirely.

Almost 50 percent of workers who retain their roles through 2025 in the wake of automation will need some form of retraining. Those who do acquire the proper skills will be primed to fill one of the 97 million new roles technologies like robotics and AI are expected to create.

In a warehouse setting, for example, those who transition to other tasks that require “higher skills” such as thinking and complex movement are far less at risk of getting robo-bumped. And they will get bumped. Vince Martinelli, head of product and marketing at RightHand Robotics, is confident that simple but prevalent jobs like warehouse order picking will largely be done by robots in 10 to 20 years. Right now, though, the technology just isn’t there.

But some experts say the more robots outperform humans, the more humans will be expected to keep up.

“As we start to compare the speed and efficiency of humans to robots, there is a whole new set of health and safety issues that emerge,” Beth Gutelius, associate director of the Center for Urban Economic Development at the University of Illinois–Chicago, told the New York Times.

That’s another argument for retraining. As authors Marcus Casey and Sarah Nzau noted in a Brookings Institution blog post

“The development of technologies that facilitate new tasks, for which humans are better suited, could potentially lead to a much better future for workers. While the widespread introduction of computers into offices certainly displaced millions of secretaries and typists, the new tasks in associated industries meant new occupations, including computer technicians, software developers and IT consultants.”


Soft Robotics Gains Steam

Researchers in a newish niche called “soft robotics” are working on mimicking human motion. Developing high-performing robotic brains is incredibly difficult. Getting robots to physically react like people do is even harder, as mechanical engineer Christoph Keplinger explained during a 2018 TED Talk.

“The human body makes extensive use of soft and deformable materials such as muscle and skin,” he said. “We need a new generation of robot bodies that is inspired by the elegance, efficiency and by the soft materials of the designs found in nature.”

In describing his efforts to build artificial muscles called “soft activators,” Keplinger calls biological muscle “a true masterpiece of evolution” that can heal after being damaged and is “tightly integrated with sensory neurons for feedback on motion and the environment.”

To that end, he and his team in Boulder, Colorado, invented something they dubbed HASEL — hydraulically amplified self-healing electrostatic actuators, which are mechanisms that control movement. Besides expanding and contracting like real muscle, the young technology can be operated more quickly. In addition, HASEL can be adjusted to deliver larger forces for moving heavy objects, dialed down for more precise movement, and programmed to “deliver very fluidic muscle-like movement and bursts of power to shoot up a ball into the air.”

Besides being compatible with large-scale manufacturing applications, he noted, HASEL technology also could be used to “improve the quality of life” for those who need prosthetic limbs, as well as older people who would benefit from enhanced agility and dexterity.

“Maybe we can call it robotics for anti-aging,” Keplinger said, “or even a next stage of human evolution.”

Researchers have since turned to creatures like jellyfish for further inspiration on how to design soft robots. This out-of-the-box thinking has led to promising results, spurring the development of soft robots that can grip objects with the proper amount of force. 

The niche is still young, but many sectors believe it holds a wealth of potential. Supporting NASA-led Mars expeditions and assisting physicians during surgeries are a few of the tasks soft robots may be expected to complete in the near future.


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The Rise of Humanoid Robots

Outside of a factory or warehouse setting, some say it’s advantageous for robots to look more like humans. That’s where humanoids come in.

Over at RightHand Robotics, Martinelli said the current focus is on wider customer adoption of robots that can solve specific problems in commercial settings. Even some very impressive and sensor-packed models that can run, jump and flip — including several from Boston Dynamics — aren’t in that category. Not yet, anyway.

Boston Dynamics CEO Marc Raibert has said his long-term goal is to “build robots that have the functional levels of performance that are equal to or greater than people and animals. I don’t mean that they have to work the way that people and animals work, or that they have to look like them, just at the level of performance in terms of the ability to move around in the world, the ability to use our hands.”

The success of the company’s robot dog Spot as an industrial worker has breathed new life into the humanoid space and elevated efforts to fashion humanoids into service helpers. But behind-the-scenes labor isn’t the only area where humanoid robots could make an impact.

As Will Jackson, director at United Kingdom-based Engineered Arts, told BBC television, “Humanoid robots are great for entertainment and they’re great for communication. If you want something that interacts with people, the best way to do that is make something person-shaped.”

Like this invention from Agility Robotics. Dubbed “Digit” and reportedly priced in the low-to-mid six figures, it’s intended for vehicle-to-door delivery of packages weighing 40 pounds or less. Could we see armies of these things in the years ahead? Maybe. Digit hasn’t yet been tested in uncontrolled settings. And if viral YouTube videos are any indication, even a controlled environment is no guarantee of success.

“One of the biggest problems we have is there is nothing as good as human muscle,” Jackson explained. “We don’t come anywhere near to what a human can do. The way you will see humanoid robots is in a commercial context. So you might go into a shop and you might see a robot in there that’s trying to sell you something. Don’t worry about all the clever AI. That’s really going to stay on your computer. It’s not going to chase you up the stairs anytime soon.”


Lisa Bertagnoli contributed reporting to this story.

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