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The document discusses the benefits of exercise for mental health. Regular physical activity can help reduce anxiety and depression and improve mood and cognitive function. Exercise causes chemical changes in the brain that may help protect against mental illness and improve symptoms.
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Persian wars
A Greek messenger named Peidippides ran to Sparta to request aid against the invading Persian army led by King Xerxes. King Leonidas led 300 Spartan hoplite soldiers and allied forces to defend a narrow mountain pass using their phalanx formation and naval forces like triremes armed with the incendiary weapon Greek Fire. However, the Persians ultimately overwhelmed the Greeks despite the leadership of statesman Pericles in Athens.
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Docker and other container runtimes are gathering momentum and becoming the new industry standard for server applications. Linux namespaces, commonly used to run Docker apps, come with a large surface of attack which is difficult to reduce. Intel’s Clear Containers use KVM to run containers as VMs to provide additional isolation. It is possible to provide VM-like isolation for containers without sacrificing performance.
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The document discusses fundamental economic concepts. It defines economics as the study of meeting unlimited wants with scarce resources. It explains that economies allocate scarce resources to meet unlimited demands and that different economies do this in various ways, such as the US and Cuba. The purpose of economics is to describe, analyze, explain, and predict economic activity. Scarcity is identified as the biggest economic problem, as resources are scarce but wants are unlimited. Factors of production and the three basic economic questions are also outlined.
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Persian wars
A Greek messenger named Peidippides ran to Sparta to request aid against the invading Persian army led by King Xerxes. King Leonidas led 300 Spartan hoplite soldiers and allied forces to defend a narrow mountain pass using their phalanx formation and naval forces like triremes armed with the incendiary weapon Greek Fire. However, the Persians ultimately overwhelmed the Greeks despite the leadership of statesman Pericles in Athens.
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In this talk, we will give an overview of the state of the Xen Project, trends that impact the project, see whether challenges that surfaced last year have been addressed and how we did it, and highlight new challenges and solutions for the coming year.
XPDS16: A Paravirtualized Interface for Socket Syscalls - Dimitri Stiliadis, ...
XPDS16: A Paravirtualized Interface for Socket Syscalls - Dimitri Stiliadis, ...The Linux Foundation
Docker and other container runtimes are gathering momentum and becoming the new industry standard for server applications. Linux namespaces, commonly used to run Docker apps, come with a large surface of attack which is difficult to reduce. Intel’s Clear Containers use KVM to run containers as VMs to provide additional isolation. It is possible to provide VM-like isolation for containers without sacrificing performance.
This talk focuses on the benefits of using Xen to provide an execution environment for Docker apps. The presentation starts by listing the requirements of this environment. It explains why monitoring container syscalls is important and what its security benefits are. The talk introduces a new paravirtualized protocol to virtualize IP sockets and provides the design and implementation details. The presentation clarifies the impact of the new protocol from a security perspective. The discussion concludes by comparing performance figures with the traditional PV network frontend and backend drivers in Linux, explaining the reasons for any performance gaps. Fundamental economic concepts
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Worldview
The document discusses criticisms of Christianity and the need for apologetics. It addresses criticisms such as Christianity's incompatibility with science due to miracles, the problem of evil, and biblical contradictions. It defines apologetics as the verbal defense of faith and explains why it is needed to answer questions about Christianity and defend against attacks on it. The document also covers characteristics of Jesus and how the early Roman era provided a favorable environment for the spread of Christianity.
New world translation
The document outlines some of the key beliefs of Christianity and compares them to the beliefs of Jehovah's Witnesses. It notes that Jehovah's Witnesses believe in one God named Jehovah, do not believe in the Trinity, and believe that Jesus was the archangel Michael who had a spiritual rather than physical resurrection. They also believe that only 144,000 people will go to heaven while others will live eternally on a paradise earth, and that the righteous dead simply cease to exist.
Buddhism
1) Siddhartha Gautama was born a prince in 563 BC in India and after witnessing suffering in the world, he left his home to find a way to end suffering. He tried many spiritual practices before achieving enlightenment under the Bodhi tree and becoming Buddha.
2) The core teachings of Buddhism include the Four Noble Truths about the nature of suffering and its cessation, and the Eightfold Path to end suffering through right understanding, thought, speech, action, livelihood, effort, mindfulness, and concentration.
3) Buddhists believe that enlightenment can end the cycle of rebirth and suffering, and that meditation and following Buddhist principles can help one achieve nirvana
Hinduism
Hinduism originated in India around 5000 BC and has no single founder. It is a combination of ancient Indian religious traditions and modern practices. Hinduism believes in an eternal universal soul called Brahman, from which all living things originate and to which they will ultimately return. Hindus seek to escape the cycle of rebirth through moksha by following dharma, achieving good karma, and practicing yoga. The religion has over 100 million gods but especially worships Brahma, Vishnu, and Shiva. Hindus are divided into a caste system and strive for salvation and liberation from samsara through disciplines like jnana, bhakti, karma, and raja yoga.
Islam2
Islam and Christianity share some similarities as Abrahamic faiths that worship the God of Abraham. However, there are also significant differences between the two:
- Christianity believes Jesus is God incarnate, the son of God, and the second person of the Trinity. Islam believes Jesus was a prophet but not divine or the son of God.
- Christianity's central teachings revolve around Jesus' crucifixion and resurrection, which provide salvation and eternal life. Islam does not recognize the crucifixion or Jesus' divine status.
- Christianity's sacred text is the Bible, comprised of the Old and New Testaments. Islam's sacred text is the Quran, believed to be the literal word of God as revealed to
Theseus
King Aegean of Athens was tired of sending 7 boys and 7 girls to Crete every year to be sacrificed to the Minotaur, a half-man half-bull monster. His son Theseus volunteered to go to Crete and try to kill the Minotaur. With help from the princess of Crete, Theseus used a sword and string to navigate the labyrinth and kill the Minotaur, freeing the Greeks from having to sacrifice people. However, on the way home Theseus forgot to change the ship's black sails to white to signal success, and King Aegean believed his son had died and committed suicide by jumping into the sea.
Oracle at delphi
Oracle at Delphi was a priestess at the Temple of Apollo in Delphi, Greece who was believed to transmit prophecies from the god Apollo. People would travel from all over Greece and beyond to consult the Oracle at Delphi on important matters such as important decisions, marriages, and wars. Visitors would approach the Oracle and ask questions while she was seated on a tripod above a fissure from which intoxicating gases arose.
Olympics
The document discusses the results of a study on the impact of climate change on global wheat production. Researchers found that rising temperatures will significantly reduce wheat yields across different regions of the world by the end of the century. Under a high emissions scenario, the study projects a global average decrease in wheat production of 6% by 2050, and a 17% decrease by 2100, threatening global food security.
Democracy
Pericles outlined reforms he made to the Athenian democracy that established equality under the law and placed power in the hands of the majority of citizens. Government positions were made available to all by being paid positions. Those who did not participate in the government were ostracized. The jury system was started where citizens were judged by their peers.
Theseus
King Aegean of Athens was tired of sending 7 boys and 7 girls to Crete every year to be sacrificed to the Minotaur, a half-man half-bull monster. His son Theseus volunteered to go to Crete and try to kill the Minotaur. With help from the princess of Crete, Theseus used a sword and string to navigate the labyrinth and kill the Minotaur, freeing the Greeks from having to sacrifice people. However, on the way home Theseus forgot to change the ship's black sails to white to signal success, and King Aegean believed his son had died and committed suicide by jumping into the sea.
Elasticity
This document provides an overview of microeconomics concepts related to demand and supply. It defines demand as a function of desire, ability, and willingness to purchase a product at a given price. The demand curve illustrates the relationship between price and quantity demanded. Factors that can shift the demand curve include changes in tastes, income, and prices of related goods. Supply is defined as the quantity available for sale. The supply curve shows the relationship between price and quantity supplied. Factors that can shift the supply curve include costs of production, number of sellers, technology, and taxes. Elasticity refers to the responsiveness of quantity demanded or supplied to price changes.
Kinds of businesses
The document discusses different types of business organizations including sole proprietorships, partnerships, and corporations. A sole proprietorship offers advantages like getting all profits and making all decisions but has disadvantages like unlimited liability. A corporation has advantages such as easy funding through stock sales and limited liability for owners, but disadvantages include high startup fees and double taxation.
Iraq
The document discusses several key events in Iraq's history including foreign occupations from the 1600s to 2003, the main ethnic and religious groups, and Saddam Hussein's rise to power in 1979. It also summarizes US involvement in Iraq including the 1991 Gulf War to liberate Kuwait after Iraq's invasion, establishing no-fly zones, and the 2003 war launched under the rationales of WMDs and terrorism links that ultimately proved false. Main post-war issues in Iraq centered around government, security, economy, and the 2011 US troop withdrawal.
Terrorism Political Cartoons
This document lists the names and affiliations of various cartoonists and the publications they contribute cartoons to, including newspapers from the United States, China, Pakistan, Iran, and the Netherlands. It also notes copyright information for many of the cartoonists.
Terrorism
Terrorism involves the calculated use or threat of violence to achieve political, religious, or ideological goals. There are several types of terrorism including state terrorism, state-sponsored terrorism, religious terrorism, and ecoterrorism. A turning point in terrorism was in 1972 at the Munich Olympics when the Palestinian group Black September took Israeli athletes hostage, killing 17 people which was the first terrorist attack broadcast live on television worldwide. Major terrorist attacks on the US include the 1993 World Trade Center bombing, 1995 Oklahoma City bombing, 1995 Unabomber attacks, 1996 Centennial Olympic Park bombing, 2001 anthrax letters, and 2002 DC sniper shootings. The September 11, 2001 attacks involved hijacked planes crashing into the World Trade Center and
Nuclear weapons
The document discusses the history of nuclear weapons, including the first U.S. nuclear test in 1945 and subsequent bombings of Hiroshima and Nagasaki. It also covers the Cold War arms race between the U.S. and Soviet Union, crises like the Cuban Missile Crisis, efforts at nuclear deterrence, and later arms reduction treaties. Current concerns about nuclear weapons include aging Cold War arsenals, proliferation, accidents, unauthorized use, and terrorism.
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Worldview
The document discusses criticisms of Christianity and the need for apologetics. It addresses criticisms such as Christianity's incompatibility with science due to miracles, the problem of evil, and biblical contradictions. It defines apologetics as the verbal defense of faith and explains why it is needed to answer questions about Christianity and defend against attacks on it. The document also covers characteristics of Jesus and how the early Roman era provided a favorable environment for the spread of Christianity.
New world translation
The document outlines some of the key beliefs of Christianity and compares them to the beliefs of Jehovah's Witnesses. It notes that Jehovah's Witnesses believe in one God named Jehovah, do not believe in the Trinity, and believe that Jesus was the archangel Michael who had a spiritual rather than physical resurrection. They also believe that only 144,000 people will go to heaven while others will live eternally on a paradise earth, and that the righteous dead simply cease to exist.
Buddhism
1) Siddhartha Gautama was born a prince in 563 BC in India and after witnessing suffering in the world, he left his home to find a way to end suffering. He tried many spiritual practices before achieving enlightenment under the Bodhi tree and becoming Buddha.
2) The core teachings of Buddhism include the Four Noble Truths about the nature of suffering and its cessation, and the Eightfold Path to end suffering through right understanding, thought, speech, action, livelihood, effort, mindfulness, and concentration.
3) Buddhists believe that enlightenment can end the cycle of rebirth and suffering, and that meditation and following Buddhist principles can help one achieve nirvana
Hinduism
Hinduism originated in India around 5000 BC and has no single founder. It is a combination of ancient Indian religious traditions and modern practices. Hinduism believes in an eternal universal soul called Brahman, from which all living things originate and to which they will ultimately return. Hindus seek to escape the cycle of rebirth through moksha by following dharma, achieving good karma, and practicing yoga. The religion has over 100 million gods but especially worships Brahma, Vishnu, and Shiva. Hindus are divided into a caste system and strive for salvation and liberation from samsara through disciplines like jnana, bhakti, karma, and raja yoga.
Islam2
Islam and Christianity share some similarities as Abrahamic faiths that worship the God of Abraham. However, there are also significant differences between the two:
- Christianity believes Jesus is God incarnate, the son of God, and the second person of the Trinity. Islam believes Jesus was a prophet but not divine or the son of God.
- Christianity's central teachings revolve around Jesus' crucifixion and resurrection, which provide salvation and eternal life. Islam does not recognize the crucifixion or Jesus' divine status.
- Christianity's sacred text is the Bible, comprised of the Old and New Testaments. Islam's sacred text is the Quran, believed to be the literal word of God as revealed to
Theseus
King Aegean of Athens was tired of sending 7 boys and 7 girls to Crete every year to be sacrificed to the Minotaur, a half-man half-bull monster. His son Theseus volunteered to go to Crete and try to kill the Minotaur. With help from the princess of Crete, Theseus used a sword and string to navigate the labyrinth and kill the Minotaur, freeing the Greeks from having to sacrifice people. However, on the way home Theseus forgot to change the ship's black sails to white to signal success, and King Aegean believed his son had died and committed suicide by jumping into the sea.
Oracle at delphi
Oracle at Delphi was a priestess at the Temple of Apollo in Delphi, Greece who was believed to transmit prophecies from the god Apollo. People would travel from all over Greece and beyond to consult the Oracle at Delphi on important matters such as important decisions, marriages, and wars. Visitors would approach the Oracle and ask questions while she was seated on a tripod above a fissure from which intoxicating gases arose.
Olympics
The document discusses the results of a study on the impact of climate change on global wheat production. Researchers found that rising temperatures will significantly reduce wheat yields across different regions of the world by the end of the century. Under a high emissions scenario, the study projects a global average decrease in wheat production of 6% by 2050, and a 17% decrease by 2100, threatening global food security.
Democracy
Pericles outlined reforms he made to the Athenian democracy that established equality under the law and placed power in the hands of the majority of citizens. Government positions were made available to all by being paid positions. Those who did not participate in the government were ostracized. The jury system was started where citizens were judged by their peers.
Theseus
King Aegean of Athens was tired of sending 7 boys and 7 girls to Crete every year to be sacrificed to the Minotaur, a half-man half-bull monster. His son Theseus volunteered to go to Crete and try to kill the Minotaur. With help from the princess of Crete, Theseus used a sword and string to navigate the labyrinth and kill the Minotaur, freeing the Greeks from having to sacrifice people. However, on the way home Theseus forgot to change the ship's black sails to white to signal success, and King Aegean believed his son had died and committed suicide by jumping into the sea.
Elasticity
This document provides an overview of microeconomics concepts related to demand and supply. It defines demand as a function of desire, ability, and willingness to purchase a product at a given price. The demand curve illustrates the relationship between price and quantity demanded. Factors that can shift the demand curve include changes in tastes, income, and prices of related goods. Supply is defined as the quantity available for sale. The supply curve shows the relationship between price and quantity supplied. Factors that can shift the supply curve include costs of production, number of sellers, technology, and taxes. Elasticity refers to the responsiveness of quantity demanded or supplied to price changes.
Kinds of businesses
The document discusses different types of business organizations including sole proprietorships, partnerships, and corporations. A sole proprietorship offers advantages like getting all profits and making all decisions but has disadvantages like unlimited liability. A corporation has advantages such as easy funding through stock sales and limited liability for owners, but disadvantages include high startup fees and double taxation.
Iraq
The document discusses several key events in Iraq's history including foreign occupations from the 1600s to 2003, the main ethnic and religious groups, and Saddam Hussein's rise to power in 1979. It also summarizes US involvement in Iraq including the 1991 Gulf War to liberate Kuwait after Iraq's invasion, establishing no-fly zones, and the 2003 war launched under the rationales of WMDs and terrorism links that ultimately proved false. Main post-war issues in Iraq centered around government, security, economy, and the 2011 US troop withdrawal.
Terrorism Political Cartoons
This document lists the names and affiliations of various cartoonists and the publications they contribute cartoons to, including newspapers from the United States, China, Pakistan, Iran, and the Netherlands. It also notes copyright information for many of the cartoonists.
Terrorism
Terrorism involves the calculated use or threat of violence to achieve political, religious, or ideological goals. There are several types of terrorism including state terrorism, state-sponsored terrorism, religious terrorism, and ecoterrorism. A turning point in terrorism was in 1972 at the Munich Olympics when the Palestinian group Black September took Israeli athletes hostage, killing 17 people which was the first terrorist attack broadcast live on television worldwide. Major terrorist attacks on the US include the 1993 World Trade Center bombing, 1995 Oklahoma City bombing, 1995 Unabomber attacks, 1996 Centennial Olympic Park bombing, 2001 anthrax letters, and 2002 DC sniper shootings. The September 11, 2001 attacks involved hijacked planes crashing into the World Trade Center and
Nuclear weapons
The document discusses the history of nuclear weapons, including the first U.S. nuclear test in 1945 and subsequent bombings of Hiroshima and Nagasaki. It also covers the Cold War arms race between the U.S. and Soviet Union, crises like the Cuban Missile Crisis, efforts at nuclear deterrence, and later arms reduction treaties. Current concerns about nuclear weapons include aging Cold War arsenals, proliferation, accidents, unauthorized use, and terrorism.