Advanced Modern Innovation: Unterschied zwischen den Versionen
Zeile 1: | Zeile 1: | ||
== Advanced Modern Innovation == | == Advanced Modern Innovation == | ||
− | Advanced Modern | + | Advanced Modern Technology |
− | + | Innovation has actually rapidly evolved for many years, bringing developments as well as innovations that have improved various markets. From effective smart devices to cutting edge expert system systems, progressed modern-day technology has become an integral component of our lives. In this article, we will certainly explore a few of the sophisticated technologies that are revolutionizing the world we live in. | |
Net of Things (IoT). | Net of Things (IoT). | ||
− | The | + | The Web of Points (IoT) is a network of interconnected tools that are embedded with sensors, software application, as well as other technologies, enabling them to accumulate and exchange information. This interconnectedness permits for seamless communication in between devices, supplying numerous advantages in different fields. |
Smart Houses. | Smart Houses. | ||
− | IoT technology | + | IoT modern technology allows property owners to control and automate numerous aspects of their homes, such as lighting, protection systems, and also also cooking area devices, with their smart devices or voice aides. With IoT-enabled wise homes, individuals can from another location keep an eye on and regulate their tools, making certain energy effectiveness as well as benefit. For instance, property owners can establish automated lighting systems that readjust according to all-natural light degrees or tenancy, reducing energy waste. Furthermore, wise house security systems can send real-time notices to property owners' smartphones when any kind of uncommon task is identified, improving general security. |
− | + | Health care. | |
− | + | [http://maraxnew.com.pl http://maraxnew.com.pl] | |
− | In the | + | In the medical care market, IoT tools have transformed person care by making it possible for remote patient surveillance, real-time health tracking, and also clever medical tools that can find and inform medical care professionals of possible problems. With IoT-enabled health care devices, clients can obtain high quality treatment from the convenience of their own homes. For example, people with chronic conditions can use wearable gadgets that keep track of vital signs and also collect health and wellness information. This information can be sent to medical care suppliers in real-time, permitting very early detection of any abnormalities and prompt intervention. IoT gadgets can be incorporated right into clinical tools, making it possible for medical care professionals to remotely keep an eye on people throughout treatments or surgeries, making certain optimal safety and also performance. |
Industrial Automation. | Industrial Automation. | ||
− | IoT has considerably improved | + | IoT has considerably improved industrial processes by enabling remote tracking and control of machinery, predictive maintenance, and also efficient supply chain administration. With IoT-enabled industrial automation, companies can optimize their operations and improve efficiency. Sensors installed in machinery can gather real-time information on performance, power consumption, as well as upkeep requirements. This information can be analyzed utilizing AI formulas to predict possible failures as well as routine upkeep prior to breakdowns happen, reducing downtime as well as lowering prices. Furthermore, IoT-enabled supply chain monitoring systems can track stock degrees, monitor item high quality during transport, and also optimize shipment routes, ensuring efficient logistics as well as consumer complete satisfaction. |
− | + | Synthetic Intelligence (AI). | |
− | Expert System (AI) is a branch of computer | + | Expert System (AI) is a branch of computer system scientific research that intends to create smart devices efficient in executing tasks that would commonly need human knowledge. AI has made significant strides in different areas, revolutionizing the way we live as well as function. |
Personal Assistants. | Personal Assistants. | ||
− | AI-powered personal assistants like Siri, Google Assistant, and Alexa have | + | AI-powered personal assistants like Siri, Google Assistant, and also Alexa have come to be progressively preferred, helping us with jobs such as setting tips, answering questions, as well as managing our daily timetables. These individual assistants utilize all-natural language processing and also artificial intelligence algorithms to comprehend and react to user questions. They can offer personalized recommendations, such as recommending nearby restaurants based upon specific choices or suggesting motion pictures based upon previous seeing behaviors. With continuous innovations in AI, personal assistants are becoming a lot more capable and instinctive of understanding complicated commands, enhancing their utility in our day-to-day lives. |
− | + | Health care. | |
− | + | Equipment discovering algorithms can look through substantial amounts of patient data, including medical records, examination outcomes, and imaging scans, to find refined indicators of conditions. In addition, AI is being used to establish sophisticated prosthetics and assistive innovations for people with handicaps, boosting their movement as well as top quality of life. | |
− | Autonomous | + | Autonomous Automobiles. |
− | AI is a fundamental part of self-driving | + | AI is a fundamental part of self-driving autos, allowing them to regard their surroundings, make decisions, as well as browse safely without human treatment. This innovation has the prospective to change transportation systems, reducing mishaps and also blockage while boosting effectiveness. Self-governing lorries can communicate with each various other with IoT technology, making it possible for effective web traffic circulation as well as reducing the danger of accidents. |
− | Blockchain | + | Blockchain Innovation. |
− | Blockchain modern technology is a decentralized | + | Blockchain modern technology is a decentralized as well as distributed electronic ledger that tapes purchases throughout several computer systems. It brings openness, immutability, and also security to different fields, with its most widely known application being cryptocurrencies like Bitcoin. |
Financing. | Financing. | ||
− | Blockchain | + | Blockchain innovation has the possible to reinvent the economic industry by supplying secure and transparent transactions, getting rid of the demand for intermediaries, and decreasing the threat of fraudulence. With blockchain innovation, financial transactions can be firmly tape-recorded in a decentralized fashion, making sure openness as well as decreasing the risk of meddling. |
− | Supply Chain | + | Supply Chain Management. |
− | Blockchain technology can bring | + | Blockchain technology can bring openness as well as traceability to supply chains, avoiding fake items, making sure the credibility of goods, and decreasing ineffectiveness. In standard supply chains, mapping the origin and also movement of items can be challenging, leading to counterfeiting, top quality problems, and also hold-ups. By making use of blockchain innovation, each step of the supply chain can be securely taped and also confirmed, developing an unalterable document of product info, consisting of origin, producing processes, and also transportation details. This makes it possible for consumers and also organizations to have full visibility and confidence in the authenticity and also top quality of items. In addition, blockchain-based smart agreements can automate settlement as well as confirmation procedures, lowering paperwork as well as enhancing deals between makers, providers, and representatives. |
− | Digital Identity | + | Digital Identity Verification. |
− | Blockchain can | + | Blockchain can allow safe as well as decentralized electronic identification confirmation, minimizing the threat of identity theft as well as improving privacy in online deals. Conventional methods of digital identity verification typically need people to share delicate personal details with various service companies, raising the danger of data violations and identification burglary. With blockchain-based digital identification verification, people can have control over their personal information while showing their identity to service providers. Blockchain innovation permits the production of electronic identities that are securely saved and also verified, lessening the need for several usernames and passwords. Blockchain-based identification verification can improve privacy by supplying people with the choice to share only the needed information for a certain deal, without disclosing their total identity. |
− | + | Increased as well as online Fact (VR/AR). | |
− | + | Digital Fact (VR) as well as Augmented Fact (AR) technologies give immersive experiences by overlaying digital aspects onto the real globe or creating completely virtual environments. | |
− | + | Pc gaming. | |
− | AR | + | AR innovation, on the various other hand, overlays virtual aspects onto the genuine globe, blending the physical as well as virtual worlds. Virtual reality as well as AR technologies proceed to advance, offering more reasonable graphics, enhanced movement monitoring, as well as improved haptic feedback, further immersing players in online globes. |
− | Education | + | Education and Training. |
− | + | Virtual reality and also AR have actually likewise discovered applications in education and also training. They offer immersive simulations and visualizations that enhance finding out experiences, such as virtual excursion, medical training, or architectural walkthroughs. With VR technology, students can explore archaeological sites, traveling to various components of the globe, as well as interact with online challenge get a much deeper understanding of the subject matter. AR innovation can give real-time guidance as well as info overlays, allowing pupils to picture complex concepts or carry out hands-on experiments. In the medical field, VR and AR simulations can replicate operations, allowing medical pupils to exercise in a controlled as well as safe atmosphere. Using VR as well as AR in education and learning and also training has the possible to boost interaction, enhance retention of information, as well as make it possible for functional knowing experiences in a range of techniques. | |
Design as well as Prototyping. | Design as well as Prototyping. | ||
− | VR | + | VR as well as AR modern technologies are used in different markets to visualize and also test items before they are manufactured. Designers, designers, and item developers can produce sensible 3D designs as well as simulations, determining prospective concerns and also boosting styles. With VR technology, developers can essentially go through building structures, assessing the spatial format, lights, as well as materials. This permits for early discovery of style problems and promotes reliable interaction with stakeholders and also clients. AR modern technology can overlay virtual prototypes onto physical things, making it possible for designers to assess as well as envision item visual appeals, functionality, as well as ergonomics. By integrating virtual reality as well as AR technologies right into the style and prototyping processes, companies can reduce development prices, accelerate time-to-market, and also fine-tune products based on realistic individual feedback. |
− | Quantum | + | Quantum Computer. |
− | Quantum | + | Quantum computer is an arising field that leverages the concepts of quantum technicians to perform complex computations. It has the potential to address problems that are presently unbending for classic computers. |
Scientific Study. | Scientific Study. | ||
− | + | Quantum computer can speed up clinical research study by imitating intricate physical systems, optimizing chemical reactions, as well as fixing optimization problems a lot more effectively. Typical computers battle to simulate the habits of quantum systems, such as molecular interactions or quantum materials. Quantum computer systems, on the other hand, can harness the principles of quantum auto mechanics to simulate these systems a lot more accurately and successfully. This has the prospective to reinvent fields such as products scientific research, medication exploration, as well as environment modeling. Quantum computing can additionally address optimization issues more successfully, making it possible for organizations to maximize complex procedures, such as supply chain administration, economic modeling, and logistics preparing. By leveraging the power of quantum computing, researchers and also businesses can get deeper understandings, make even more enlightened choices, as well as drive advancement in different domain names. | |
Cybersecurity. | Cybersecurity. | ||
− | Quantum | + | Quantum computers can possibly break typically used encryption formulas, but they can additionally offer enhanced safety measures with quantum cryptography, ensuring secure interaction as well as information security. As quantum computer systems come to be a lot more powerful, they posture a danger to the security of conventional cryptographic formulas, which depend on the difficulty of factoring multitudes or fixing discrete logarithm problems. Nonetheless, quantum cryptography provides a remedy to this problem. Quantum vital circulation (QKD) protocols utilize the principles of quantum technicians to protect communication channels. QKD makes sure that any type of attempt to meddle or intercept with communication will be observable, providing a high degree of safety and security. Quantum-resistant encryption algorithms are additionally being established to protect delicate data against future quantum assaults. By harnessing the abilities of quantum computing and also quantum cryptography, people and services can safeguard their data and also communications in an age of advancing cybersecurity hazards. |
Financial Modeling. | Financial Modeling. | ||
− | Quantum | + | Quantum computer can revolutionize economic modeling by assessing vast amounts of data and also carrying out complicated estimations, allowing more accurate predictions as well as take the chance of assessments. Quantum computers have the possible to procedure and also assess this information at unprecedented speeds, allowing more precise financial versions and also forecasts. In addition, quantum computer can enhance algorithmic trading by quickly examining market fads, identifying patterns, and also carrying out professions with very little latency. |
− | These are just a few | + | These are just a few examples of the advanced contemporary innovations that are shaping our existing as well as future. As modern technology remains to advance, it brings with it new possibilities as well as possibilities throughout various markets. Welcoming these developments can result in boosted performance, enhanced top quality of life, and endless innovation. |
− | + | FAQ. | |
− | 1. What is the Web of Things (IoT) | + | 1. What is the Web of Things (IoT) and just how does it benefit us? |
− | The Net of Things (IoT) is a network of interconnected devices | + | The Net of Things (IoT) is a network of interconnected devices installed with sensing units and also software application that can accumulate and also exchange information. It allows for smooth communication in between gadgets, providing advantages such as remote of smart houses, remote client surveillance in health care, and also improved commercial automation. |
− | 2. | + | 2. Exactly How does Artificial Intelligence (AI) impact our day-to-day lives? |
− | Expert System (AI) aims to | + | Expert System (AI) aims to develop smart devices with the ability of executing tasks that generally call for human knowledge. AI-powered individual aides, enhanced medical care diagnostics, as well as self-driving cars are some instances of how AI is transforming our lives. |
− | 3. Just how does Blockchain | + | 3. Just how does Blockchain innovation enhance money and also supply chain monitoring? |
− | Blockchain technology supplies safe | + | Blockchain technology supplies clear as well as safe purchases, eliminating the requirement for middlemans and decreasing fraudulence in the financing sector. In supply chain monitoring, it brings transparency and also traceability, making certain the authenticity of goods and simplifying transactions in between distributors, suppliers, and also providers. |
− | Self-governing automobiles can interact with each | + | Self-governing automobiles can interact with each other via IoT technology, allowing reliable website traffic circulation and also reducing the risk of collisions. Blockchain innovation has the possible to revolutionize the monetary market by offering clear and safe and secure purchases, eliminating the requirement for middlemans, and also decreasing the risk of fraudulence. AR innovation, on the other hand, overlays online components onto the genuine world, blending the virtual and also physical worlds. VR and AR innovations continue to breakthrough, offering more practical graphics, enhanced activity tracking, as well as boosted haptic comments, even more immersing players in digital worlds. |
− | AR | + | AR technology can overlay digital models onto physical things, making it possible for developers to analyze and also imagine product aesthetic appeals, functionality, as well as functional designs. [http://dominka.com.pl http://dominka.com.pl] |
Version vom 27. November 2024, 17:33 Uhr
Advanced Modern Innovation
Advanced Modern Technology
Innovation has actually rapidly evolved for many years, bringing developments as well as innovations that have improved various markets. From effective smart devices to cutting edge expert system systems, progressed modern-day technology has become an integral component of our lives. In this article, we will certainly explore a few of the sophisticated technologies that are revolutionizing the world we live in. Net of Things (IoT).
The Web of Points (IoT) is a network of interconnected tools that are embedded with sensors, software application, as well as other technologies, enabling them to accumulate and exchange information. This interconnectedness permits for seamless communication in between devices, supplying numerous advantages in different fields. Smart Houses.
IoT modern technology allows property owners to control and automate numerous aspects of their homes, such as lighting, protection systems, and also also cooking area devices, with their smart devices or voice aides. With IoT-enabled wise homes, individuals can from another location keep an eye on and regulate their tools, making certain energy effectiveness as well as benefit. For instance, property owners can establish automated lighting systems that readjust according to all-natural light degrees or tenancy, reducing energy waste. Furthermore, wise house security systems can send real-time notices to property owners' smartphones when any kind of uncommon task is identified, improving general security. Health care. http://maraxnew.com.pl
In the medical care market, IoT tools have transformed person care by making it possible for remote patient surveillance, real-time health tracking, and also clever medical tools that can find and inform medical care professionals of possible problems. With IoT-enabled health care devices, clients can obtain high quality treatment from the convenience of their own homes. For example, people with chronic conditions can use wearable gadgets that keep track of vital signs and also collect health and wellness information. This information can be sent to medical care suppliers in real-time, permitting very early detection of any abnormalities and prompt intervention. IoT gadgets can be incorporated right into clinical tools, making it possible for medical care professionals to remotely keep an eye on people throughout treatments or surgeries, making certain optimal safety and also performance. Industrial Automation.
IoT has considerably improved industrial processes by enabling remote tracking and control of machinery, predictive maintenance, and also efficient supply chain administration. With IoT-enabled industrial automation, companies can optimize their operations and improve efficiency. Sensors installed in machinery can gather real-time information on performance, power consumption, as well as upkeep requirements. This information can be analyzed utilizing AI formulas to predict possible failures as well as routine upkeep prior to breakdowns happen, reducing downtime as well as lowering prices. Furthermore, IoT-enabled supply chain monitoring systems can track stock degrees, monitor item high quality during transport, and also optimize shipment routes, ensuring efficient logistics as well as consumer complete satisfaction. Synthetic Intelligence (AI).
Expert System (AI) is a branch of computer system scientific research that intends to create smart devices efficient in executing tasks that would commonly need human knowledge. AI has made significant strides in different areas, revolutionizing the way we live as well as function. Personal Assistants.
AI-powered personal assistants like Siri, Google Assistant, and also Alexa have come to be progressively preferred, helping us with jobs such as setting tips, answering questions, as well as managing our daily timetables. These individual assistants utilize all-natural language processing and also artificial intelligence algorithms to comprehend and react to user questions. They can offer personalized recommendations, such as recommending nearby restaurants based upon specific choices or suggesting motion pictures based upon previous seeing behaviors. With continuous innovations in AI, personal assistants are becoming a lot more capable and instinctive of understanding complicated commands, enhancing their utility in our day-to-day lives. Health care.
Equipment discovering algorithms can look through substantial amounts of patient data, including medical records, examination outcomes, and imaging scans, to find refined indicators of conditions. In addition, AI is being used to establish sophisticated prosthetics and assistive innovations for people with handicaps, boosting their movement as well as top quality of life. Autonomous Automobiles.
AI is a fundamental part of self-driving autos, allowing them to regard their surroundings, make decisions, as well as browse safely without human treatment. This innovation has the prospective to change transportation systems, reducing mishaps and also blockage while boosting effectiveness. Self-governing lorries can communicate with each various other with IoT technology, making it possible for effective web traffic circulation as well as reducing the danger of accidents. Blockchain Innovation.
Blockchain modern technology is a decentralized as well as distributed electronic ledger that tapes purchases throughout several computer systems. It brings openness, immutability, and also security to different fields, with its most widely known application being cryptocurrencies like Bitcoin. Financing.
Blockchain innovation has the possible to reinvent the economic industry by supplying secure and transparent transactions, getting rid of the demand for intermediaries, and decreasing the threat of fraudulence. With blockchain innovation, financial transactions can be firmly tape-recorded in a decentralized fashion, making sure openness as well as decreasing the risk of meddling. Supply Chain Management.
Blockchain technology can bring openness as well as traceability to supply chains, avoiding fake items, making sure the credibility of goods, and decreasing ineffectiveness. In standard supply chains, mapping the origin and also movement of items can be challenging, leading to counterfeiting, top quality problems, and also hold-ups. By making use of blockchain innovation, each step of the supply chain can be securely taped and also confirmed, developing an unalterable document of product info, consisting of origin, producing processes, and also transportation details. This makes it possible for consumers and also organizations to have full visibility and confidence in the authenticity and also top quality of items. In addition, blockchain-based smart agreements can automate settlement as well as confirmation procedures, lowering paperwork as well as enhancing deals between makers, providers, and representatives. Digital Identity Verification.
Blockchain can allow safe as well as decentralized electronic identification confirmation, minimizing the threat of identity theft as well as improving privacy in online deals. Conventional methods of digital identity verification typically need people to share delicate personal details with various service companies, raising the danger of data violations and identification burglary. With blockchain-based digital identification verification, people can have control over their personal information while showing their identity to service providers. Blockchain innovation permits the production of electronic identities that are securely saved and also verified, lessening the need for several usernames and passwords. Blockchain-based identification verification can improve privacy by supplying people with the choice to share only the needed information for a certain deal, without disclosing their total identity. Increased as well as online Fact (VR/AR).
Digital Fact (VR) as well as Augmented Fact (AR) technologies give immersive experiences by overlaying digital aspects onto the real globe or creating completely virtual environments. Pc gaming.
AR innovation, on the various other hand, overlays virtual aspects onto the genuine globe, blending the physical as well as virtual worlds. Virtual reality as well as AR technologies proceed to advance, offering more reasonable graphics, enhanced movement monitoring, as well as improved haptic feedback, further immersing players in online globes. Education and Training.
Virtual reality and also AR have actually likewise discovered applications in education and also training. They offer immersive simulations and visualizations that enhance finding out experiences, such as virtual excursion, medical training, or architectural walkthroughs. With VR technology, students can explore archaeological sites, traveling to various components of the globe, as well as interact with online challenge get a much deeper understanding of the subject matter. AR innovation can give real-time guidance as well as info overlays, allowing pupils to picture complex concepts or carry out hands-on experiments. In the medical field, VR and AR simulations can replicate operations, allowing medical pupils to exercise in a controlled as well as safe atmosphere. Using VR as well as AR in education and learning and also training has the possible to boost interaction, enhance retention of information, as well as make it possible for functional knowing experiences in a range of techniques. Design as well as Prototyping.
VR as well as AR modern technologies are used in different markets to visualize and also test items before they are manufactured. Designers, designers, and item developers can produce sensible 3D designs as well as simulations, determining prospective concerns and also boosting styles. With VR technology, developers can essentially go through building structures, assessing the spatial format, lights, as well as materials. This permits for early discovery of style problems and promotes reliable interaction with stakeholders and also clients. AR modern technology can overlay virtual prototypes onto physical things, making it possible for designers to assess as well as envision item visual appeals, functionality, as well as ergonomics. By integrating virtual reality as well as AR technologies right into the style and prototyping processes, companies can reduce development prices, accelerate time-to-market, and also fine-tune products based on realistic individual feedback. Quantum Computer.
Quantum computer is an arising field that leverages the concepts of quantum technicians to perform complex computations. It has the potential to address problems that are presently unbending for classic computers. Scientific Study.
Quantum computer can speed up clinical research study by imitating intricate physical systems, optimizing chemical reactions, as well as fixing optimization problems a lot more effectively. Typical computers battle to simulate the habits of quantum systems, such as molecular interactions or quantum materials. Quantum computer systems, on the other hand, can harness the principles of quantum auto mechanics to simulate these systems a lot more accurately and successfully. This has the prospective to reinvent fields such as products scientific research, medication exploration, as well as environment modeling. Quantum computing can additionally address optimization issues more successfully, making it possible for organizations to maximize complex procedures, such as supply chain administration, economic modeling, and logistics preparing. By leveraging the power of quantum computing, researchers and also businesses can get deeper understandings, make even more enlightened choices, as well as drive advancement in different domain names. Cybersecurity.
Quantum computers can possibly break typically used encryption formulas, but they can additionally offer enhanced safety measures with quantum cryptography, ensuring secure interaction as well as information security. As quantum computer systems come to be a lot more powerful, they posture a danger to the security of conventional cryptographic formulas, which depend on the difficulty of factoring multitudes or fixing discrete logarithm problems. Nonetheless, quantum cryptography provides a remedy to this problem. Quantum vital circulation (QKD) protocols utilize the principles of quantum technicians to protect communication channels. QKD makes sure that any type of attempt to meddle or intercept with communication will be observable, providing a high degree of safety and security. Quantum-resistant encryption algorithms are additionally being established to protect delicate data against future quantum assaults. By harnessing the abilities of quantum computing and also quantum cryptography, people and services can safeguard their data and also communications in an age of advancing cybersecurity hazards. Financial Modeling.
Quantum computer can revolutionize economic modeling by assessing vast amounts of data and also carrying out complicated estimations, allowing more accurate predictions as well as take the chance of assessments. Quantum computers have the possible to procedure and also assess this information at unprecedented speeds, allowing more precise financial versions and also forecasts. In addition, quantum computer can enhance algorithmic trading by quickly examining market fads, identifying patterns, and also carrying out professions with very little latency.
These are just a few examples of the advanced contemporary innovations that are shaping our existing as well as future. As modern technology remains to advance, it brings with it new possibilities as well as possibilities throughout various markets. Welcoming these developments can result in boosted performance, enhanced top quality of life, and endless innovation. FAQ. 1. What is the Web of Things (IoT) and just how does it benefit us?
The Net of Things (IoT) is a network of interconnected devices installed with sensing units and also software application that can accumulate and also exchange information. It allows for smooth communication in between gadgets, providing advantages such as remote of smart houses, remote client surveillance in health care, and also improved commercial automation. 2. Exactly How does Artificial Intelligence (AI) impact our day-to-day lives?
Expert System (AI) aims to develop smart devices with the ability of executing tasks that generally call for human knowledge. AI-powered individual aides, enhanced medical care diagnostics, as well as self-driving cars are some instances of how AI is transforming our lives. 3. Just how does Blockchain innovation enhance money and also supply chain monitoring?
Blockchain technology supplies clear as well as safe purchases, eliminating the requirement for middlemans and decreasing fraudulence in the financing sector. In supply chain monitoring, it brings transparency and also traceability, making certain the authenticity of goods and simplifying transactions in between distributors, suppliers, and also providers.
Self-governing automobiles can interact with each other via IoT technology, allowing reliable website traffic circulation and also reducing the risk of collisions. Blockchain innovation has the possible to revolutionize the monetary market by offering clear and safe and secure purchases, eliminating the requirement for middlemans, and also decreasing the risk of fraudulence. AR innovation, on the other hand, overlays online components onto the genuine world, blending the virtual and also physical worlds. VR and AR innovations continue to breakthrough, offering more practical graphics, enhanced activity tracking, as well as boosted haptic comments, even more immersing players in digital worlds.
AR technology can overlay digital models onto physical things, making it possible for developers to analyze and also imagine product aesthetic appeals, functionality, as well as functional designs. http://dominka.com.pl