25 February, 2023

From Science Fiction to Reality: A Bionic Finger Could Replace X-rays for Medical Imaging

A team of researchers has created a bionic finger that is capable of emulating the sensory capabilities of a human finger. This innovative device can precisely map and detect any object or surface it comes into contact with, providing a remarkable level of accuracy and detail in its sensing function. For many years, medical technologies such as X-rays, MRI, and ultrasound have been the go-to methods for examining the human body. However, these methods are not without their drawbacks. X-rays, in particular, carry the risk of cancer with even a slight increase in exposure. Meanwhile, MRI can cause a range of side effects due to the use of magnetic imaging. Despite their benefits, these technologies have yet to be replaced with a safer alternative.

Imagine being able to create detailed images of the insides of human bodies and electronic devices using just the sense of touch. This possibility has now become a reality, thanks to the groundbreaking work of researchers at Wuyi University. They have developed a bionic finger that can generate 3D maps of complex objects' internal shapes and textures by touching their outer surface. The device was inspired by the incredible sensory capabilities of the human finger, which can not only detect the texture of our skin but also discern the outline of the bone beneath it.

The bionic finger utilizes a "scanning" method by moving across the object and applying pressure, much like a continuous series of pokes or prods. Each poke causes the carbon fibers within the device to compress, providing valuable information about the object's stiffness or softness. Depending on the object's material, it may also deform under pressure from the bionic finger. Rigid objects maintain their shape, while soft ones will bend or give way. This information, along with its corresponding location, is then transmitted to a personal computer where it is processed and displayed as a 3D map.

To assess its capability of mapping the internal and external characteristics of complex objects composed of multiple materials, the bionic finger underwent rigorous testing. Researchers chose to scan a small, compound object comprised of three distinct materials: a rigid internal material, a soft internal material, and a soft outer coating. The bionic finger was able to successfully differentiate between the soft outer coating and the internal hard ridges, demonstrating its ability to discriminate between different materials.

Continuing their development efforts, the researchers decided to assess the bionic finger's ability to replicate human tissue sensing. To achieve this, they created a synthetic tissue using 3D printing technology, which included a skeletal component made of three layers of hard polymer and a soft silicone "muscle" layer. The bionic finger successfully generated a 3D profile of the tissue's structure and was able to locate a simulated blood vessel beneath the muscle layer, demonstrating its impressive capacity to sense and map out internal components of the human body.

The researchers have outlined their plans to expand the bionic finger's capabilities to include omnidirectional detection. This development will pave the way for a non-optical and non-destructive method of testing both the human body and flexible electronics. With this upgrade, the bionic finger will be able to detect and map objects from all angles, thereby enabling a more comprehensive and detailed analysis of complex structures.

Reference : Jianyi Luo & colleauges, A smart bionic finger for subsurface tactile-tomography, Cell Reports Physical Science (2023).

21 February, 2023

The Future of Firefighting: Meet the Robot That Can Save Lives

Mobile robots have the potential to serve as valuable assistants to first responders in a variety of emergency situations, particularly in areas that are inaccessible or pose life-threatening risks to humans. Firefighters, who frequently face dangerous conditions and are at increased risk of injury, could greatly benefit from the support of reliable robotic assistants that could remotely monitor or intervene in emergency situations alongside them.

 A team of researchers from Universidad Rey Juan Carlos and Universidad Autónoma de Madrid have developed an autonomous ground robot that could provide valuable assistance to firefighters responding to indoor emergencies. Their innovative system, which has been featured in the Journal of Field Robotics, enables agents to better plan their interventions by creating safe paths to affected areas and aiding in evacuations. With this technology, firefighters can navigate hazardous environments more effectively, ensuring the safety of both themselves and those they are rescuing.

"This work is part of a project called 'HelpResponder', which aims to reduce the accident rates and mission times of intervention teams," Noelia Fernández Talavera, one of the researchers who carried out the study, told Tech Xplore. "This is achieved using fixed beacons, drones, and ground robots. The ground robot was developed as part of a BSc project and supports emergency teams by acquiring environmental parameters in real-time."

New research on the evolution of fires in Spain has underscored the urgent need for advanced technologies that can better support firefighters in their critical work. These studies have examined incidents in which firefighters have faced particular challenges when responding to emergencies in indoor environments, such as structural collapses or exposure to toxic gases. By collecting and analyzing data on these incidents, researchers have identified the pressing need for new tools and technologies that can enhance firefighter safety and enable more effective emergency response.

Talavera and her team have developed a highly advanced robot capable of monitoring its environment and providing valuable data to human agents. The robot is equipped with a range of sensors that enable it to measure temperature, humidity, and air quality within an indoor setting, as well as its own position and the positions of surrounding objects. The data collected by the robot is stored in a centralized database that can be accessed remotely by firefighters through a user-friendly smartphone application. By sharing real-time information with human agents, this innovative technology can help enhance situational awareness and enable more effective emergency response.

"The robot has three operational modes to tackle different scenarios," Talavera explained. "The manual mode allows an operator to remotely control it using a keyboard, joystick, or joypad to generate speed commands. The operator can also control the robot from a direct view or by a graphical user interface. In this last case, the interface must provide enough information to keep their situational awareness, such as the scene map, accurate location of the robot, images of its camera, and so forth."

In addition to its primary mode of operation, the robot also features an advanced autonomous mode that enables it to independently navigate indoor environments while avoiding obstacles. This cutting-edge functionality is made possible through the use of a sophisticated coverage path planning algorithm that leverages data collected by the robot's integrated sensors. By analyzing this data, the algorithm is able to accurately locate the robot, detect and identify obstacles in its path, and guide it through a pre-determined set of waypoints. With this autonomous mode, the robot can operate effectively in complex and rapidly changing environments, providing critical support to firefighters and other first responders.

The robot developed by the researchers has been designed with a highly modular architecture, enabling additional components (such as thermal cameras or other sensors) to be easily integrated without requiring any significant alterations to its core configuration. Built using affordable and compact components, the robot is well-suited for deployment in a wide range of environments and can effectively navigate areas that may be inaccessible to human agents. Its compact size and highly adaptable design also enable it to be deployed at scale, providing critical support to firefighters and other emergency responders when it is most needed.

Talavera and her team conducted a rigorous testing process on their robot, using a combination of simulations and real-world trials. The results of these tests were extremely encouraging, with the robot demonstrating the ability to successfully complete a variety of tasks while also autonomously avoiding obstacles and providing valuable assistance to firefighters. These findings underscore the significant potential of this innovative technology to enhance emergency response efforts and improve safety for both first responders and the public.

Through a series of comprehensive evaluations, the robot proved to be highly resilient and capable of handling multiple missions within a single day, thanks to its robust components and impressive battery autonomy. In addition to these real-world tests, the research team also created a range of simulations that can be used to help firefighters prepare for future emergency interventions in indoor settings. By leveraging the data collected by the robot, these simulations enable first responders to identify the most efficient and safe routes for reaching their destination, as well as providing an opportunity to practice using the robot in a variety of different scenarios. Overall, this innovative technology has the potential to significantly enhance the safety and efficacy of emergency response efforts in the future.

Talavera and her team's groundbreaking robot is set to be deployed and tested by other fire departments in the near future, with a view to exploring its potential for enhancing emergency response efforts more widely. Moreover, the success of this project has the potential to inspire the development of similar robotic systems that can provide critical support to a range of other first responders, including police officers and search and rescue teams. By leveraging the latest in robotics technology, these innovative solutions have the potential to significantly improve safety outcomes for both responders and those in need, representing a major step forward in the field of emergency response.

19 February, 2023

ChatGPT's Theory of Mind: How OpenAI's AI System is Moving Closer to Human-Like Intelligence


The ChatGPT AI chatbot created by Open AI has undergone multiple tests by Michal Kosinski, a computational psychologist at Stanford University, to assess its ability to pass the well-known Theory of Mind Test. In his paper published on the arXiv preprint server, Kosinski notes that the latest version of ChatGPT managed to pass the test at the same level as a typical nine-year-old child.

The capacities of AI chatbots like ChatGPT are incredibly sophisticated, including writing complete essays for secondary and higher education students. With continuous advancements in their abilities, some people have observed that communicating with certain software applications is nearly identical to engaging with an unknown human. As a result, there are questions in the psychology community about the potential consequences of such apps for both individuals and society. In this recent research, Kosinski has explored whether these chatbots are getting close to passing the Theory of Mind Test.

As the name implies, the purpose of the Theory of Mind Test is to evaluate the theory of mind, which aims to describe or comprehend the mental state of an individual. In other words, it proposes that individuals have the ability to "guess" what is happening in another person's mind based on the available information, but only to a certain degree. For instance, if someone displays a particular facial expression, many individuals can deduce that they are experiencing a specific emotion, but only those who possess certain knowledge about the circumstances that led to the facial cues will likely understand the reason for it, and as a result, be able to predict the thoughts in that person's head.

Previous investigations have indicated that these abilities arise during childhood and improve with age. As a result, the study of these theories has resulted in the development of assessments to evaluate them. For instance, one test involves providing one person with a box labeled to describe its contents, only for the person to discover upon opening it that it is something entirely different. Then, a matching box is given to another individual, while the first person is asked to forecast what is going on in the second person's mind—namely, that the second individual will assume that the box contains what is indicated on the label.

Kosinski tested an earlier version of ChatGPT that was released prior to 2022 and determined that it had no capability to pass Theory of Mind tests. Subsequently, he tried a later version that was released shortly afterward and found that it was capable of solving around 70% of the theoretical evaluations—equivalent to the capabilities of a 7-year-old child. Then, in November of the same year, he evaluated the most recent version and observed that it had the capacity to solve 93% of the tasks—roughly similar to the abilities of a 9-year-old child.

Microsoft has integrated ChatGPT functionalities into its Bing chatbot and appears to have acknowledged the findings. Bing's AI chatbot has reportedly instituted a filter on correlated inquiries—if questioned about its capacity to pass the Theory of Mind test, it responded with, "I'm regretful, but I would rather not continue with this discussion. As I'm still learning, I value your understanding and forbearance."

18 February, 2023

The Thin Line Between Profit and Riba: What Every Muslim Should Know

Finding means to support oneself as a Muslim while upholding one's beliefs and morals might be difficult. The problem of riba is one of the main challenges we have in the financial sphere. The term "riba," which is sometimes translated as "usury" or "interest," describes the charge or payment of any additional sum on a loan or debt. Riba is outright forbidden in Islamic banking because it violates the fairness, justice, and social responsibility values that are central to our faith.

So what precisely distinguishes profit from riba, and how can we manage this complicated problem in our day-to-day lives? We will discuss the idea of profit in Islamic finance as well as the numerous types of riba that Muslims need to be aware of in this blog article. Along with providing some helpful advice for obtaining financial success while being faithful to our faith, we'll also talk about the significance of avoiding riba in our business dealings. This essay is for you whether you're an experienced investor or just getting started with your financial path. So let's explore the fine line between profit and riba in greater detail.

 I. Introduction

Islam views riba as one of the gravest sins, and both the Quran and the Sunnah make clear that it is forbidden. There are two sorts of riba: riba al-nasi'ah, which refers to the collection of interest on loans or debts, and riba al-fadl, which relates to the trade of similar commodities or services but with different valuations. Due to the concentration of wealth and exploitation of the weak and vulnerable, riba is prohibited on the grounds of fairness, justice, and social welfare.

Muslims must distinguish between profit and riba correctly since doing so might have detrimental effects. Profit is halal and acceptable, while riba is haram and categorically forbidden. Riba can cause one's riches to lose its barakah (blessings) and even bring about financial collapse. As a way of providing for oneself and one's family, assisting others, and advancing society, on the other hand, making halal profit brings benefits and blessings from Allah. In the parts that follow, we'll go into more detail about the concepts and rules of profit and riba in Islamic finance and offer helpful advice for building a successful financial future while upholding our moral ideals.

What is Profit in Islamic Finance?

In Islamic finance, "profit" refers to the revenue or gain derived through the exchange of goods or services. Unlike to riba, which involves charging or paying exorbitant amounts on loans or debts, profit is generated by the acquisition, sale, or investment of assets or businesses. As it serves as a motivator for people and enterprises to engage in good and productive activities, profit is seen as a crucial component of economic activity.

Principles of Fairness and Risk-Sharing in Islamic Finance

Fairness, which is founded on the notion that economic advantages and obligations should be shared evenly among all parties concerned, is one of the fundamental tenets of Islamic finance. Together with sharing information and expertise, this also entails sharing risks and benefits. The technique of risk sharing used in Islamic finance allows the investor and the entrepreneur to split the profits and hazards of a business endeavor. The idea of mudarabah—a partnership agreement between an investor (the rab al-maal) and an entrepreneur—is the foundation for this risk-sharing approach (the mudarib). In this agreement, the cash is provided by the investor, the knowledge is provided by the entrepreneur, and the earnings are divided according to a pre-determined ratio. This ensures that the risks and rewards of the venture are shared equitably between the two parties, and that the entrepreneur is incentivized to work hard and make the business successful.

The prohibition of gharar, or undue ambiguity, which can result in fraud, deception, and exploitation, is another crucial tenet of Islamic banking. This concept makes sure that all parties have a realistic grasp of the risks and rewards associated with financial transactions and that they are based on clear, transparent conditions. In conclusion, profit is a necessary and acceptable component of Islamic finance, provided that it is acquired via moral and halal methods. Islamic finance is founded on the values of equity, risk-sharing, and openness, which encourage just and sustainable economic activity that benefits both people and society as a whole.

 

II. Understanding Riba in Islamic Finance

Definition of Riba and its Various Forms

Riba is sometimes interpreted as "usury" or "interest," but in Islamic banking, its true meaning is more complex and subtle. Any excess or growth that is added to the principle sum in a financial transaction without a matching rise in the value of the goods or services traded is referred to as riba. There are two main forms of riba in Islamic finance:

·         Riba al-nasi'ah: This kind of riba is assessed on loans or obligations that are postponed or prolonged past their initial due date. This covers any increase in the debt's principal as well as any penalties or other costs incurred as a consequence of the postponement or extension.

·         Riba al-fadl: This sort of riba is levied on the trade of commodities or services that fall under the same category or type but are provided in various amounts or with varied levels of quality. This includes any excessive or unfair trade that gives one side a disproportionate advantage or gain.

Both forms of riba are prohibited in Islamic finance, as they violate the principles of fairness, justice, and social welfare.

Prohibition of Riba in Islamic Finance and its Rationale

The prohibition of riba in Islamic finance is based on several reasons, including:

• Since riba favors the lender at the borrower's expense, it leads to an unfair and uneven allocation of wealth. Financial exploitation, poverty, and societal instability may result from this.

• Riba violates the principles of fairness and risk-sharing because it involves charging a fixed amount of return regardless of the actual performance or outcome of the transaction. Riba encourages hoarding and speculative behavior because it incentivizes people and institutions to earn profits without engaging in productive or beneficial activities.

• In Islam, riba is seen as a serious sin, and the prohibition of it is a cornerstone of the moral and ethical standards of the religion.

In Islamic finance, the use of profit-sharing agreements like mudarabah and musharakah as well as avoiding debt-based transactions are some of the ways that the ban of riba is enforced. This makes sure that all parties are equally benefiting from financial activity and that it is founded on the values of fairness, transparency, and social responsibility.

In conclusion, the prohibition of riba in Islamic finance is a fundamental tenet of the faith's moral and ethical code and is founded on the ideals of justice, fairness, and societal welfare. Muslims may support an ethical and just global economy by refraining from riba and advocating sustainable and ethical financial practices.


 

III. Why Avoiding Riba is Important

In addition to being a core principle of Islamic finance, avoiding riba is crucial for Muslims who seek to reconcile their financial decisions with their moral and ethical principles. In this section, we'll look at the moral and theological arguments against using riba as well as the social and financial repercussions of doing so.

Religious and Ethical Reasons for Avoiding Riba

Avoiding riba is a method for Muslims to preserve the values of justice, fairness, and social welfare that are at the foundation of their faith, as well as a matter of legal compliance.Islam prohibits riba for several reasons, including:

• Riba is viewed as a serious evil in Islam, and it is forbidden based on explicit verses in the Quran and hadiths that stress the value of refraining from any kind of exploitation or injustice.

• Riba fosters hoarding and speculating, which is contrary to the spirit of Islamic entrepreneurship and social responsibility.

• Riba breaches the principles of justice and equality since it allows the lender to profit from the borrower's misfortune and generates an unequal distribution of wealth.

Muslims may show their dedication to the ideals of justice, fairness, and social welfare by refraining from riba and encouraging ethical and sustainable financial practices. By doing so, they will also help to create a society that is more just and equal.

Social and Economic Consequences of Riba

Muslims may show their dedication to the ideals of justice, fairness, and social welfare by refraining from riba and encouraging ethical and sustainable financial practices. By doing so, they will also help to create a society that is more just and equal. Some of the main consequences of riba include:

• Financial exploitation and debt: Riba-based loans can keep people in a cycle of debt and poverty since the fees and interest can mount up quickly and become unsustainable.

• Unequal wealth distribution: Riba enables the lender to receive a set return regardless of the transaction's outcome, which can result in an uneven wealth distribution and a concentration of economic power in the hands of a select few.

• Riba-based transactions may promote speculative behavior and a concentration on short-term rewards, which can result in market instability and financial catastrophes.

• Absence of accountability and transparency: Riba-based transactions may be opaque and lacking in transparency, which might erode the integrity of the financial system and foster an environment of mistrust.

Individuals and communities may help create a more fair and equitable society and a financial system that is founded on the values of openness, accountability, and social responsibility by avoiding riba and encouraging ethical and sustainable financial activities. Avoiding riba is crucial for a number of reasons, including religious, moral, social, and economic considerations as well as legal compliance. Muslims may contribute to a more equitable and just global economy and help create a more successful and sustainable future for all by maintaining the values of justice, fairness, and social welfare and supporting ethical and sustainable financial practices.

Practical Tips for Achieving Halal Profit

After discussing the significance of avoiding riba and encouraging moral and sustainable financial behavior, let's look at some useful advice for generating halal profit. We'll go through several methods for making money and investing without using riba in this part, along with some instances of halal investment possibilities.

Strategies for Investing and Earning Income without Riba

Focusing on investments and revenue streams that are founded on justice, equity, and risk-sharing is one of the important tactics for generating halal profit. Some of the main strategies for achieving halal profit include:

·         Investing in equity-based crowdfunding platforms: Without using interest-based loans, equity-based crowdfunding enables investors to fund startups and small companies in return for a portion of the company's stock. This makes it possible for investors to receive a return on their investment based on the company's profitability rather than on interest payments.

·         Investing in sukuk: Sukuk are bonds that adhere to Sharia law and are built on the concepts of risk-sharing and asset-backed finance. Instead of paying interest, Sukuk gives investors a predetermined return based on the performance of the underlying assets.

·         Investing in real estate: If real estate is organized as a partnership or joint venture as opposed to an interest-based loan, it might be a halal investment option. This enables investors to get a portion of the profits based on how well the asset performs rather than on interest payments.

·         Investing in socially responsible funds: Investment vehicles known as socially responsible funds put an emphasis on environmental, social, and governance (ESG) considerations and steer clear of businesses that participate in immoral activities such manufacturing weapons, alcohol, or gaming.

Muslims may make halal profit and support a more ethical and sustainable financial system by concentrating on investments and revenue sources that are founded on justice, equity, and risk-sharing principles.

In conclusion, generating halal profit necessitates a dedication to moral and ethically sound financial practices, as well as a concentration on investments and revenue streams that are founded on the values of equality, justice, and risk-sharing. Muslims may help create a more fair and equitable world economy and a more affluent and sustainable future for everybody by researching halal investment options and encouraging ethical and sustainable financial practices.