New artificial intelligence program discovers alternative physics. Variables like mass and acceleration are the basis of our physics. Some of these may be distilled down to more basic elements like distance and time. If there is another technique to measure how the cosmos functions, we are not yet aware of it. The factors we are accustomed to may not be the only ones, as Columbia roboticists have discovered.
A machine learning or Artificial Intelligence (AI) system was taught by Dr. Boyuan Chen and his co-authors to count the number of variables required to describe physical systems as well as forecast advancements.
At Columbia Engineering, a group of roboticists made the decision to investigate this. They created an AI tool that could recognise physical occurrences and identify pertinent variables, which are essential building blocks for every physics theory.
The AI algorithm was given raw video footage of events for which the researchers already knew the solution in order to undertake the investigation. The angle as well as angular velocity of each of 2 arms of the swinging double-pendulum, that contains four “state variables,” were displayed in the movie. After a number of hours of investigation, the AI system provided a virtually accurate response of 4.7 variables.
Hod Lipson, head of the Creative Machines Laboratory at Columbia University’s Department of Mechanical Engineering, says in a university statement, “We believed this response was near enough.” Particularly considering that the AI was only given access to raw video material and had any understanding of physics or geometry. Instead of merely counting the variables, we wanted to know what they were.
Two of the variables the AI software selected, according to researchers, nearly matched the angles of the arms, while the other two are still a mystery.
According to Dr. Boyuan Chen, an assistant professor at Duke University, “we tried associating the other variables with everything and all of it we could imagine of: linear and angular velocities, kinetic as well as potential energy, as well as other combinations of known qualities.” But nothing didn’t seem to fit exactly.
Since the software was producing accurate predictions, according to Dr. Chen, it must have identified a legitimate set of 4 variables, but “we don’t yet grasp the mathematical language it is speaking.”
The AI system discovered new ways to describe the universe
Researchers started putting films of systems whose explicit variable answers they don’t know into the computer software. A “air dancer” was seen in the first video going up and down in front of a used car yard. From that video, the AI software returned eight variables. After being shown a video of a lava lamp, the computer generated the same amount of variations. 24 variables were then returned by the algorithm after it examined a loop of video showing fireplace flames.
According to the study, there were the same numbers of variables each time the AI software was restarted. The precise factors, however, were different. This demonstrates that there are other methods to explain the cosmos.
If we ever encountered an intelligent extraterrestrial culture, Lipson muses, “I often wondered if they would have found the same physics rules as we have, or may they characterize the cosmos in a different way.” “Perhaps some things look enigmatically difficult because we are utilizing the wrong set of variables to analyze them,”
According to researchers, an AI system can aid in the discovery of complicated phenomena in fields ranging from cosmology to biology.
According to research co-author Dr. Kuang Huang, “While we employed video data in this work, any sort of array data source might be used — radar arrays, or DNA arrays, for example.”
Scientists still don’t have all the answers
According to Lipson, scientists may be misinterpreting or failing to grasp numerous occurrences because they may not have a good collection of variables to explain the phenomenon.
People have known about objects moving swiftly or slowly for millennia, but Newton’s famous rule of motion F=MA could only be discovered after the concepts of velocity and acceleration were properly defined, according to Lipson, demonstrating how variables come before any theory.
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New artificial intelligence program discovers alternative physics. Variables like mass and acceleration are the basis of our physics. Two of the variables the AI software selected, according to researchers, nearly matched the angles of the swinging double-pendulum. The other two are still a mystery. An AI system can aid in the discovery of complicated phenomena in fields ranging from cosmology to biology.
A video of an “air dancer” was seen in the first video going up and down in front of a used car yard. The computer generated 24 variables after examining a loop of video showing fireplace flames.