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  • History of computer 🖥

    History of computer 🖥
    2024/10/09
    The history of computers is a rich and fascinating story that spans over two centuries. Here's a brief overview:
    *Pre-History (1800s-1930s)*
    1. Charles Babbage (1822): Proposed the Difference Engine, a mechanical calculator.
    2. Ada Lovelace (1843): Wrote the first computer program for Babbage's Analytical Engine.
    3. Hollerith Punch Cards (1890): Used for tabulating data.
    *Early Computers (1930s-1950s)*
    1. Konrad Zuse (1936): Built the Z1, the first fully automatic digital computer.
    2. ENIAC (1946): Electronic Numerical Integrator and Computer, the first general-purpose electronic computer.
    3. UNIVAC 1 (1951): First commercially available computer.
    4. IBM 701 (1953): First commercial computer with a stored-program design.
    *Mainframe Era (1950s-1970s)*
    1. IBM System/360 (1964): Revolutionized mainframe computing.
    2. COBOL (1959): First high-level programming language.
    3. ARPANET (1969): Precursor to the modern internet.
    *Personal Computing (1970s-1980s)*
    1. Intel 4004 (1971): First microprocessor.
    2. Apple I (1976): One of the first personal computers.
    3. IBM PC (1981): Popularized personal computing.
    4. Microsoft MS-DOS (1981): Dominant operating system.
    *Modern Computing (1990s-Present)*
    1. World Wide Web (1991): Invented by Tim Berners-Lee.
    2. Pentium Processor (1993): Fast and efficient processor.
    3. Smartphones (2007): iPhone revolutionized mobile computing.
    4. Cloud Computing (2006): On-demand computing resources.
    5. Artificial Intelligence (2010s): AI becomes mainstream.
    *Key Players*
    1. Alan Turing
    2. John von Neumann
    3. Steve Jobs
    4. Bill Gates
    5. Linus Torvalds
    *Milestones*
    1. First email sent (1971)
    2. First website launched (1991)
    3. Google founded (1998)
    4. Facebook launched (2004)
    5. Bitcoin created (2009)
    *Future of Computing*
    1. Quantum Computing
    2. Artificial General Intelligence
    3. Internet of Things (IoT)
    4. Virtual and Augmented Reality
    5. 5G Networks
    Would you like more information on a specific era or technology?
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    3 分
  • Over 5 billion people use Mobil phones

    Over 5 billion people use Mobil phones
    2024/10/09
    Over 5 billion people use mobile phones, and that number is expected to reach 6 billion by 2027. Currently, 4.88 billion individuals own a smartphone, which is a significant increase from 1 billion in 2014 ¹. To put this into perspective, the average daily online activity on smartphones amounts to 3 hours and 50 minutes, with mobile share accounting for 57.6% of daily internet time among users aged 16 to 64 worldwide ¹.
    Interestingly, the time spent using smartphones varies greatly across countries. For instance, users in Indonesia spend the most time on their smartphones, averaging 6.05 hours per day, followed by Thailand with 5.64 hours, and Argentina with 5.33 hours ¹. In the US, adults spend around 3 hours and 54.8 minutes on their smartphones daily, which is nearly an extra hour compared to 2019 ¹.
    The growth in smartphone usage has been steady over the years, with the number of smartphone users worldwide growing by 2.15x since 2020 ¹. As of now, around 90% of adults in the US own a smartphone, up from 59% in December 2014 ¹.
    *Global Smartphone User Statistics:*
    - _Total Users:_ 4.88 billion ¹
    - _Growth Rate:_ 2.15x since 2020 ¹
    - _Projected Users by 2027:_ 6 billion ¹
    - _Average Daily Usage:_ 3 hours and 50 minutes ¹
    It's clear that mobile phones have become an essential part of our daily lives, and their impact will only continue to grow in the coming years.
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    3 分
  • AI-generated art sold $432,500

    AI-generated art sold $432,500
    2024/10/09
    AI-generated art has made history with a sale of $432,500! This stunning price was achieved at a Christie's auction in 2018, where the artwork "Portrait of Edmond de Belamy" was sold to an anonymous buyer ¹ ² ³. The sale was a significant milestone, not only because of the artwork's unique creation process but also due to its massive price tag, which exceeded the estimated value of $7,000 to $10,000 by a whopping 43 times ¹ ².
    The artwork was created by Obvious, a Paris-based collective, using a Generative Adversarial Network (GAN) algorithm. This algorithm was trained on a dataset of 15,000 portraits painted between the 14th and 20th centuries ¹ ² ³. The result was a unique portrait that blended traditional art with modern technology.
    Interestingly, the sale sparked controversy within the AI art community, with some questioning the extent of Obvious' contribution to the artwork ¹ ². Robbie Barrat, a 19-year-old AI artist, claimed that Obvious used his GAN package, available on GitHub, without sufficient credit ¹ ³.
    Despite the controversy, the sale marked a significant moment in the intersection of art and technology. As Mark Riedl, an associate professor of AI and machine learning, noted, "The algorithm isn't the only thing that went into creating this art—GANs don't have free will" ³. Instead, they're complex tools that can achieve unique effects.
    The sale of "Portrait of Edmond de Belamy" has opened up new discussions about the role of AI in art and the value we place on creative works. What do you think about AI-generated art? Do you see it as a revolutionary force or a novelty?
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    3 分
  • Lions are known as the bravest

    Lions are known as the bravest
    2024/10/09
    Lions are often referred to as the "bravest" or "king of the jungle" due to their:
    1. Fearless nature: Lions are known for their courage and willingness to confront predators and rivals.
    2. Social structure: Lions live in prides, with males protecting their territory and family.
    3. Hunting tactics: Lions are skilled hunters, using coordinated attacks to bring down prey.
    4. Physical strength: Male lions can weigh up to 550 pounds (250 kg) and reach speeds of 50 mph (80 km/h).
    5. Roaring: Lions' iconic roars can be heard up to 5 miles (8 km) away, advertising their presence.
    However, it's essential to note that:
    1. Bravery is subjective and can be demonstrated by various animals in different contexts.
    2. Lions also exhibit cautious behavior, especially when encountering larger predators or unfamiliar environments.
    Other animals known for their bravery:
    1. Wolves: Highly social and fearless hunters.
    2. Bears: Powerful and protective of their territory.
    3. Elephants: Intelligent and courageous, with strong family bonds.
    4. Hyenas: Fearless scavengers and skilled hunters.
    5. Cheetahs: Swift and fearless predators.
    Lion facts:
    1. Lion prides typically consist of 3-30 individuals.
    2. Females do most of the hunting.
    3. Males' manes serve as signs of masculinity and protection.
    4. Lions can sleep up to 20 hours a day.
    5. Their average lifespan in the wild is 12-16 years.
    Would you like more information on lions or other fearless animals?
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    3 分
  • Most Tigers have a 15-years lifespan

    Most Tigers have a 15-years lifespan
    2024/10/09
    That's correct!
    In the wild, the average lifespan of a tiger is around 10-15 years, depending on various factors such as:
    1. Species: Different subspecies have varying lifespans.
    2. Habitat: Quality of habitat, prey availability, and human-tiger conflict.
    3. Diet: Availability of food and nutrition.
    4. Disease: Prevalence of diseases like poxvirus and tuberculosis.
    5. Human impact: Poaching, habitat fragmentation, and human-tiger conflict.
    Here's a breakdown of the average lifespan of different tiger subspecies:
    1. Bengal Tiger: 10-15 years
    2. Indochinese Tiger: 10-14 years
    3. Malayan Tiger: 12-15 years
    4. Sumatran Tiger: 12-15 years
    5. Siberian Tiger: 15-20 years
    6. South China Tiger: 10-15 years (functionally extinct)
    In captivity, with proper care and management, tigers can live up to:
    1. 18-20 years (Bengal Tigers)
    2. 20-25 years (Siberian Tigers)
    Factors affecting tiger lifespan:
    1. Habitat loss and fragmentation
    2. Poaching
    3. Human-tiger conflict
    4. Prey depletion
    5. Climate change
    Conservation efforts:
    1. Habitat preservation and restoration
    2. Anti-poaching patrols
    3. Human-tiger conflict mitigation
    4. Prey base management
    5. Research and monitoring
    Organizations working to protect tigers:
    1. World Wildlife Fund (WWF)
    2. International Union for Conservation of Nature (IUCN)
    3. Wildlife Conservation Society (WCS)
    4. Tiger Conservation Alliance (TCA)
    Would you like more information on tiger conservation or wildlife management?
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    3 分
  • The Great Wall of China

    The Great Wall of China
    2024/10/09
    The Great Wall of China!
    One of the Seven Wonders of the Medieval World and a UNESCO World Heritage Site, the Great Wall of China is an iconic series of fortifications built to protect the Chinese Empire from invasions.
    *Key Facts:*
    1. Length: Approximately 13,171 miles (21,196 km), making it one of the longest structures ever built.
    2. Construction: Began in 7th century BC, with most of the existing wall built during the Ming Dynasty (1368-1644).
    3. Purpose: Military defense, border control, and trade regulation.
    4. Materials: Stone, brick, rammed earth, and wood.
    5. Watchtowers: Over 2,000 towers for surveillance and signaling.
    *History:*
    1. Qin Dynasty (221-206 BC): Initial construction.
    2. Han Dynasty (206 BC-220 AD): Extensions and renovations.
    3. Sui and Ming Dynasties (581-1644): Major rebuilding and expansion.
    4. Qing Dynasty (1644-1912): Final renovations.
    *Interesting Facts:*
    1. The Great Wall is not visible from space, despite its reputation.
    2. It's called the "Long Wall" in China.
    3. Over 400,000 workers died during construction.
    4. The wall has an average height of 20-30 feet (6-9 meters).
    5. Some sections are restored, while others remain ruins.
    *Popular Sections:*
    1. Badaling Great Wall (Beijing)
    2. Mutianyu Great Wall (Beijing)
    3. Jinshanling Great Wall (Hebei Province)
    4. Simatai Great Wall (Beijing)
    5. Terracotta Warriors (Xi'an)
    *Tourism:*
    1. Over 10 million visitors annually.
    2. Best time to visit: Spring (April-May) or Autumn (September-October).
    3. Hiking and camping options available.
    4. Guided tours recommended.
    *Conservation Efforts:*
    1. UNESCO World Heritage designation (1987).
    2. Chinese government protection and restoration.
    3. International cooperation for preservation.
    Would you like more information on the Great Wall's history, architecture, or tourism?
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    3 分
  • Temperature basis on my podcast

    Temperature basis on my podcast
    2024/10/09
    Temperature basis can refer to various concepts depending on the context. Here are some possible interpretations:
    *Physics and Thermodynamics:*
    1. Absolute Zero: 0 Kelvin (K), -273.15°C, -459.67°F
    2. Celsius Scale: 0°C = 32°F (freezing point of water)
    3. Fahrenheit Scale: 32°F = 0°C (freezing point of water)
    4. Kelvin Scale: absolute temperature scale, 0 K = -273.15°C
    *Temperature Measurement:*
    1. Celsius (°C)
    2. Fahrenheit (°F)
    3. Kelvin (K)
    4. Rankine (°R)
    5. Réaumur (°Ré)
    *Temperature Conversion:*
    1. Celsius to Fahrenheit: °F = (°C × 9/5) + 32
    2. Fahrenheit to Celsius: °C = (°F - 32) × 5/9
    3. Kelvin to Celsius: °C = K - 273.15
    4. Celsius to Kelvin: K = °C + 273.15
    *Temperature Ranges:*
    1. Extremely Low: -200°C to -100°C
    2. Low: -100°C to 0°C
    3. Room Temperature: 20°C to 25°C
    4. High: 100°C to 500°C
    5. Extremely High: 500°C to 1000°C
    *Temperature Applications:*
    1. Weather forecasting
    2. Scientific research
    3. Industrial processes
    4. Medical applications
    5. Food storage
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    3 分
  • Economic cooperation

    Economic cooperation
    2024/10/09
    Economic cooperation refers to collaborative efforts between nations, organizations, or individuals to promote mutual economic benefits and growth. Here are key aspects:
    *Types of Economic Cooperation:*
    1. Bilateral Cooperation: Between two countries (e.g., trade agreements).
    2. Multilateral Cooperation: Among multiple countries (e.g., WTO, EU).
    3. Regional Cooperation: Within geographic regions (e.g., ASEAN, NAFTA).
    4. Sectoral Cooperation: Focused on specific industries (e.g., energy, agriculture).
    *Benefits:*
    1. Increased trade and investment
    2. Improved economic efficiency
    3. Enhanced competitiveness
    4. Job creation
    5. Technology transfer
    6. Increased economic stability
    *Examples:*
    1. European Union (EU)
    2. Association of Southeast Asian Nations (ASEAN)
    3. North American Free Trade Agreement (NAFTA)
    4. Trans-Pacific Partnership (TPP)
    5. African Continental Free Trade Area (AfCFTA)
    6. BRICS (Brazil, Russia, India, China, South Africa)
    7. OECD (Organisation for Economic Co-operation and Development)
    *Key Areas of Cooperation:*
    1. Trade liberalization
    2. Investment promotion
    3. Infrastructure development
    4. Financial cooperation
    5. Technology sharing
    6. Energy cooperation
    7. Environmental protection
    *Challenges:*
    1. Protectionism
    2. Trade barriers
    3. Currency fluctuations
    4. Regulatory differences
    5. Political instability
    6. Intellectual property disputes
    *International Organizations:*
    1. World Trade Organization (WTO)
    2. International Monetary Fund (IMF)
    3. World Bank
    4. United Nations Conference on Trade and Development (UNCTAD)
    5. Organisation for Economic Co-operation and Development (OECD)
    *Economic Cooperation Theories:*
    1. Comparative Advantage (David Ricardo)
    2. Gains from Trade (Adam Smith)
    3. Gravity Model of Trade (Walter Isard)
    4. New Trade Theory (Paul Krugman)
    Would you like more information on economic cooperation or international trade?
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    3 分