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29 produkter
29 produkter
E-bok
PDF, Engelska, 2011685 kr
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Did you know . . . • Doctors in ancient Peru performed brain surgery?• Ancient Greek doctors ran medical schools?• The ancient Indians knew how to protect people from smallpox?Medical technology is as old as human society itself. The first humans on Earth used simple healing techniques. They developed ways to set broken bones. They learned which plants were good for treating colds, headaches, and stomachaches. Over the centuries, ancient peoples learned more about medicine. The ancient Indians performed plastic surgery. The ancient Romans operated on people’s eyes. People in many ancient cultures wrote medical textbooks.What kinds of tools and techniques did ancient doctors use? Which of their remedies worked and which ones didn’t? And how did ancient medicine set the stage for our own modern medical technology? Learn more in Ancient Medical Technology.
E-bok
PDF, Engelska, 2011687 kr
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Did you know . . . • Ancient people used bows to drill holes and start fires?• The ancient Chinese built a machine to detect earthquakes?•The ancient Romans operated a factory for milling grain?Machine technology is as old as human society itself. The first humans on Earth used basic machines. They used stone axes to butcher meat. They use levers to pry roots and rocks from the ground. Over the centuries, ancient peoples learned to make more complicated machines. People in the ancient Middle East devised wheels and pulleys. The ancient Chinese created wheelbarrows and bellows. The ancient Greeks built big war machines. What kinds of tools and techniques did ancient craftspeople use? Which methods worked and which didn’t? And how did ancient machines set the stage for our own modern machines? Learn more in Ancient Machine Technology.
E-bok
PDF, Engelska, 2011685 kr
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Did you know . . . • People first used skis more than 8,000 years ago?• The first wheels were used in pottery—not for transportation?• Traffic jams often clogged the streets of ancient Rome?Transportation technology is as old as human society itself. The first humans on Earth used simple transportation tools. They bundled logs together to make rafts. They used long poles and flat boards to carry heavy loads. Over the centuries, ancient peoples learned more about transportation. The ancient Indians trained elephants and horses for travel. The ancient Chinese developed the first compasses. The ancient Greeks built massive battleships.So what kinds of tools and techniques did ancient people use? How did maps of the world improve over time? And how did ancient transportation set the stage for our own modern transportation technology? Learn more in Ancient Transportation Technology.
E-bok
PDF, Engelska, 2011685 kr
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Did you know . . . • The Scythians used guerrilla warfare more than 2,500 years ago?• The Chinese general Sun-tzu wrote the first military manual in the fourth century B.C.?• Some ancient Greek warships had more than 150 oarsmen?Military technology is almost as old as human society. The first humans sometimes fought one another with sticks and spears. Over the centuries, early peoples developed more powerful—and deadlier—weapons. The ancient Egyptians built the first warships. The Mayans crafted razor-sharp blades from obsidian, a kind of glass. The ancient Chinese invented the crossbow. This mechanized weapon could shoot arrows much farther than an ordinary bow. What other kinds of weapons did ancient warriors use? What tactics and strategies did they employ? How did they protect themselves from enemies? And how did ancient warfare technology set the stage for our own modern warfare technology? Learn more in Ancient Warfare Technology.
E-bok
PDF, Engelska, 2011685 kr
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Did you know . . . • Ancient Romans invented a machine to harvest grain? • Farmers in ancient China destroyed the pests that harmed crops by bringing in their natural predators?• The ancient Mayans restored nutrients to the soil by planting corn and beans together?People learned to farm more than twelve thousand years ago. The first farmers used simple technology. They carried water to their crops by hand. They made farm tools from wood and animal bones. Over the centuries, ancient farmers devised better technology. Ancient Middle Easterners learned to breed sheep to produce different colors of wool. The ancient Chinese learned how to grow more rice using irrigation techniques. The ancient Greeks built machines for pumping water, grinding grain, and crushing grapes and olives. What kinds of crops did ancient farmers grow? What kind of animals did they raise? And how did people get their food before agriculture? Learn more in Ancient Agricultural Technology.
E-bok
PDF, Engelska, 2011685 kr
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Did you know . . . • The ancient Maya built magnificent pyramid-temples?• Ancient Chinese builders created central home heating systems?• One ancient Greek monument was taller than a ten-story building?Construction technology is as old as human society itself. The first humans on Earth built simple structures. They made houses from wood, clay, and animal skins. Over the centuries, ancient peoples learned more about construction. People in the ancient Middle East made clay roofing tiles. The ancient Egyptians moved thousands of stones into place to build giant pyramids. The ancient Chinese built a wall across northern China. The ancient Romans created massive arched roofs, long bridges, strong roads, and systems for moving water.What kinds of tools and techniques did ancient builders use? Which of their buildings and monuments are still standing? And how did ancient construction set the stage for our own modern building technology? Learn more in Ancient Construction Technology.
E-bok
PDF, Engelska, 2011685 kr
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Did you know . . .• Ancient cultures measured time accurately with water clocks?• An engineer in the first century B.C. designed an odometer to calculate distance traveled? • People computed the first values of pi about four thousand years ago?Computing technology is as old as human society itself. The first humans on Earth used basic computing skills. They counted by carving tally marks in bone. They used body parts and basic tools to measure. Over the centuries, ancient peoples learned more about computing. People in the ancient Middle East used scales to measure goods for trading. The ancient Egyptians wrote textbooks including multiplication and division problems. The ancient Chinese developed an abacus for speedy calculations. Ancient Greeks made advances in geometry.What kinds of tools and techniques did ancient mathematicians use? Which of their inventions and discoveries have stood the test of time? And how did the ancients set the stage for our own modern computing? Learn more in Ancient Computing Technology.
E-bok
PDF, Engelska, 2011685 kr
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Did you know that people first used road signs more than 2,000 years ago? Did you know that Ancient Rome had its own postal service? Did you know that Egyptian writers used flakes of limestone for scrap paper? Pens, storytelling, alphabets—communication technology is as old as human society itself. The first humans on Earth used simple communication tools. They painted on cave walls with twigs and animal fur. They carved simple pictures into bones and rocks. Over the centuries, ancient peoples improved the ways they communicated. People in the ancient Middle East kept records on clay tablets. The ancient Chinese made paper from wood pulp. The ancient Greeks and ancient Mayans thought of different ways to design books. So what kinds of tools and techniques did ancient people use? How did writing systems improve over time? And how did ancient communication set the stage for our own modern communication technology? Learn more in Ancient Communication Technology.
Inbunden, Engelska, 2024
547 kr
Skickas inom 3-6 vardagar
Inbunden, Engelska, 2024
555 kr
Skickas inom 3-6 vardagar
Inbunden, Engelska, 2024
547 kr
Skickas inom 3-6 vardagar
E-bok
Engelska, 2024201 kr
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"For of all gainful professions, nothing is better, nothing more pleasing, nothing more delightful, nothing better becomes a well-bred [person] than agriculture."—Marcus Tullius Cicero, ancient Roman orator, ca. 44 BCE"There is the place where his fruit trees are grown tall and flourish, pear trees and pomegranate trees and the flourishing olive."—Homer, Odyssey, eighth century BCEAround 10,000 years ago, humans began settling down and growing food in one place. This practice is called agriculture, and it made building large cities and complex societies possible. Throughout our history, humans have developed technologies to grow, process, and store food.Agriculture led to further developments in civilizations. Ancient peoples developed math techniques to count crops, created writing systems to record food stores, and invented machines to move water and harvest their fields. Whether developing new growing techniques or improving past technologies, ancient civilizations found creative ways to feed their people.From growing plants and raising animals side-by-side to building complex harvesting machines, discover the ancient agricultural techniques that led to the many delicious cuisines of the modern world.
E-bok
PDF, Engelska, 2024751 kr
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"For of all gainful professions, nothing is better, nothing more pleasing, nothing more delightful, nothing better becomes a well-bred [person] than agriculture."—Marcus Tullius Cicero, ancient Roman orator, ca. 44 BCE"There is the place where his fruit trees are grown tall and flourish, pear trees and pomegranate trees and the flourishing olive."—Homer, Odyssey, eighth century BCEAround 10,000 years ago, humans began settling down and growing food in one place. This practice is called agriculture, and it made building large cities and complex societies possible. Throughout our history, humans have developed technologies to grow, process, and store food.Agriculture led to further developments in civilizations. Ancient peoples developed math techniques to count crops, created writing systems to record food stores, and invented machines to move water and harvest their fields. Whether developing new growing techniques or improving past technologies, ancient civilizations found creative ways to feed their people.From growing plants and raising animals side-by-side to building complex harvesting machines, discover the ancient agricultural techniques that led to the many delicious cuisines of the modern world.
E-bok
Engelska, 2024201 kr
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“The discovery both of [geometry] and of the other sciences proceeded from utility.”—Proclus Lycius, Greek philosopher, fifth century CE“Geometry is the knowledge of the eternally existent.”—Plato, Republic, ca. 380 BCEAncient peoples around the world navigated the seas, built wonders of engineering, and measured time with amazing precision. How were they able to do all of this without calculators or digital computers? One technology made it all possible: computing.The earliest evidence of counting is tally sticks from around 35000 BCE. Since then, societies worldwide developed complex mathematics to achieve difficult feats of calculation and engineering. Math fields like arithmetic, algebra, and geometry were used for surveying land, measuring the weight of gold, and even building the pyramids. Some ancient creations—such as the mysterious Antikythera device—are so complex archeologists are still fascinated by them.From base-10 to the abacus, learn about the ancient computation methods that formed the basis for smartphones and digital computers.
E-bok
PDF, Engelska, 2024751 kr
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“The discovery both of [geometry] and of the other sciences proceeded from utility.”—Proclus Lycius, Greek philosopher, fifth century CE“Geometry is the knowledge of the eternally existent.”—Plato, Republic, ca. 380 BCEAncient peoples around the world navigated the seas, built wonders of engineering, and measured time with amazing precision. How were they able to do all of this without calculators or digital computers? One technology made it all possible: computing.The earliest evidence of counting is tally sticks from around 35000 BCE. Since then, societies worldwide developed complex mathematics to achieve difficult feats of calculation and engineering. Math fields like arithmetic, algebra, and geometry were used for surveying land, measuring the weight of gold, and even building the pyramids. Some ancient creations—such as the mysterious Antikythera device—are so complex archeologists are still fascinated by them.From base-10 to the abacus, learn about the ancient computation methods that formed the basis for smartphones and digital computers.
E-bok
Engelska, 2024201 kr
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". . . with the lighter catapults, which had a long range, he drove back those who were constructing the wall along the harbour, and with the ballistae he shook or destroyed the engines of the enemy."—Diodorus Siculus, Greek historian, first century BCE“Round their circumference are fixed paddles, which, when acted upon by the force of the current, drive the wheel round, receive the water in the buckets, and carry it to the top.”—Marcus Vitruvius, On Architecture, first century BCE Using only six simple machines, ancient civilizations around the world made complex devices to tell time, change the landscape, and move heavy loads. Many of these ancient machines have stood the test of time and remain in use today.The Ancient Egyptians utilized wedges to break apart heavy stones for pyramids that have lasted thousands of years. The Ancient Chinese invented the wooden ox, now known as the wheelbarrow, by combining a lever and a wheel and axle. The Ancient Inca used inclined planes to move the stone blocks that built Machu Picchu. Around the world, humans have used machines to improve their lives and change the world around them.From the potter’s wheel to the deadly Claws of Archimedes, discover the secrets of ancient machines and how they have improved life throughout history.
E-bok
PDF, Engelska, 2024751 kr
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". . . with the lighter catapults, which had a long range, he drove back those who were constructing the wall along the harbour, and with the ballistae he shook or destroyed the engines of the enemy."—Diodorus Siculus, Greek historian, first century BCE“Round their circumference are fixed paddles, which, when acted upon by the force of the current, drive the wheel round, receive the water in the buckets, and carry it to the top.”—Marcus Vitruvius, On Architecture, first century BCE Using only six simple machines, ancient civilizations around the world made complex devices to tell time, change the landscape, and move heavy loads. Many of these ancient machines have stood the test of time and remain in use today.The Ancient Egyptians utilized wedges to break apart heavy stones for pyramids that have lasted thousands of years. The Ancient Chinese invented the wooden ox, now known as the wheelbarrow, by combining a lever and a wheel and axle. The Ancient Inca used inclined planes to move the stone blocks that built Machu Picchu. Around the world, humans have used machines to improve their lives and change the world around them.From the potter’s wheel to the deadly Claws of Archimedes, discover the secrets of ancient machines and how they have improved life throughout history.
E-bok
Engelska, 2024201 kr
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“In medical knowledge the Egyptian leaves the rest of the world behind.” –Homer, Greek poet“I swear by Apollo the physician . . . and all the gods and goddesses, and call them to witness that . . . I will prescribe treatments to the best of my ability and judgement for the good of the sick, and never for a harmful or illicit purpose.”—Hippocratic oath excerpt, ca. 500s BCEModern humans have been around for about 300,000 years, and medical technology grew alongside them. Ancient civilizations developed advanced medical techniques and devices that helped improve and extend people’s lives. Early people learned which plants could help with issues such as pain and anxiety and developed ways to treat injuries such as bone fractures.The first written records of medical technology come from Egypt, but ancient people around the world recorded medical treatments and theories. Over centuries, doctors developed different surgeries, remedies, early forms of vaccination, and even hospitals. Even though not every treatment worked, each attempt helped advance medical knowledge and practice.From chew sticks to plastic surgery, discover ancient medical technology and find out how early medical innovation shaped modern medicine.
E-bok
PDF, Engelska, 2024751 kr
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“In medical knowledge the Egyptian leaves the rest of the world behind.” –Homer, Greek poet“I swear by Apollo the physician . . . and all the gods and goddesses, and call them to witness that . . . I will prescribe treatments to the best of my ability and judgement for the good of the sick, and never for a harmful or illicit purpose.”—Hippocratic oath excerpt, ca. 500s BCEModern humans have been around for about 300,000 years, and medical technology grew alongside them. Ancient civilizations developed advanced medical techniques and devices that helped improve and extend people’s lives. Early people learned which plants could help with issues such as pain and anxiety and developed ways to treat injuries such as bone fractures.The first written records of medical technology come from Egypt, but ancient people around the world recorded medical treatments and theories. Over centuries, doctors developed different surgeries, remedies, early forms of vaccination, and even hospitals. Even though not every treatment worked, each attempt helped advance medical knowledge and practice.From chew sticks to plastic surgery, discover ancient medical technology and find out how early medical innovation shaped modern medicine.
Häftad, Engelska, 2024
277 kr
Skickas inom 3-6 vardagar
E-bok
PDF, Engelska, 2024753 kr
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Reading texts or direct messages, communicating through speech or sign language, and viewing artwork are all among the many ways people share news, ideas, and feelings with one another. Communication and its technologies are what allow us to do that.As ancient civilizations formed, people developed spoken and written languages and communication tools. They designed and improved alphabets and writing systems to record information, created paper from plants or animal skins, and invented tools such as block printing and the printing press to help copy books and other long texts faster. Whether coming up with new technologies or innovating existing ones, ancient peoples were always finding ways to better communicate with one another.From finger painting to postal systems, find out how early societies created and innovated the technologies that led to modern communication tools.
E-bok
Engelska, 2024242 kr
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Reading texts or direct messages, communicating through speech or sign language, and viewing artwork are all among the many ways people share news, ideas, and feelings with one another. Communication and its technologies are what allow us to do that.As ancient civilizations formed, people developed spoken and written languages and communication tools. They designed and improved alphabets and writing systems to record information, created paper from plants or animal skins, and invented tools such as block printing and the printing press to help copy books and other long texts faster. Whether coming up with new technologies or innovating existing ones, ancient peoples were always finding ways to better communicate with one another.From finger painting to postal systems, find out how early societies created and innovated the technologies that led to modern communication tools.
E-bok
PDF, Engelska, 2024751 kr
Läs direkt efter köp
Ancient societies built massive monuments, many of which still stand. How did ancient engineers and builders raise up the Great Wall of China or the Great Pyramids of Egypt? They often needed new materials and building techniques, both of which required studying construction technology.Around 10,000 years ago, humans began to settle in permanent cities. They needed new technologies to raise bigger houses and monuments. Many of the discoveries made by ancient engineers are still used today. From building materials such as concrete, bricks, and glass to construction machines such as ramps, archways, and sloped camber roadways, many of the buildings we walk in everyday use designs first invented in the ancient world. Learn about the ancient construction methods that laid the foundation for modern monuments, plumbing, and skyscrapers.
E-bok
Engelska, 2024242 kr
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Ancient societies built massive monuments, many of which still stand. How did ancient engineers and builders raise up the Great Wall of China or the Great Pyramids of Egypt? They often needed new materials and building techniques, both of which required studying construction technology.Around 10,000 years ago, humans began to settle in permanent cities. They needed new technologies to raise bigger houses and monuments. Many of the discoveries made by ancient engineers are still used today. From building materials such as concrete, bricks, and glass to construction machines such as ramps, archways, and sloped camber roadways, many of the buildings we walk in everyday use designs first invented in the ancient world. Learn about the ancient construction methods that laid the foundation for modern monuments, plumbing, and skyscrapers.
E-bok
PDF, Engelska, 2024751 kr
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The ancient world saw many empires rise and fall. But how did massive empires such as Babylon or Rome move information and resources across continents? They relied on one of the oldest technologies in human history: transportation.Ever since humans first began migrating within and outside of Africa, they have needed transportation technology to help move themselves and their possessions. Beginning with shoes to support feet over rough ground and boats to traverse water, humans quickly created a wide range of inventions to help them move faster and carry more over long distances.From prehistoric hunting paths to the widespread highways of Rome, learn about the ancient transportation methods that shaped human history and paved the way for planes, trains, and superhighways.
E-bok
Engelska, 2024242 kr
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The ancient world saw many empires rise and fall. But how did massive empires such as Babylon or Rome move information and resources across continents? They relied on one of the oldest technologies in human history: transportation.Ever since humans first began migrating within and outside of Africa, they have needed transportation technology to help move themselves and their possessions. Beginning with shoes to support feet over rough ground and boats to traverse water, humans quickly created a wide range of inventions to help them move faster and carry more over long distances.From prehistoric hunting paths to the widespread highways of Rome, learn about the ancient transportation methods that shaped human history and paved the way for planes, trains, and superhighways.
E-bok
PDF, Engelska, 2024751 kr
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Since the first human civilizations appeared 10,000 years ago, people have fought over land and resources. Over time, these conflicts led to the development of many technologies that would improve human life or end it. Ancient Persians bred larger, stronger horses to ride on in war and help pull carts. In China, ancient warriors developed martial arts and engineers built one of the biggest military building projects in history, the Great Wall. Ancient Americans created improved spear throwers used by hunters and warriors. The ancient Romans and Greeks built speedy ships based off the ships of the ancient Phoenician navy.From the first spear throwers to the dreaded Claws of Archimedes, discover the ancient technologies that changed the course of human history.
E-bok
Engelska, 2024242 kr
Läs direkt efter köp
Since the first human civilizations appeared 10,000 years ago, people have fought over land and resources. Over time, these conflicts led to the development of many technologies that would improve human life or end it. Ancient Persians bred larger, stronger horses to ride on in war and help pull carts. In China, ancient warriors developed martial arts and engineers built one of the biggest military building projects in history, the Great Wall. Ancient Americans created improved spear throwers used by hunters and warriors. The ancient Romans and Greeks built speedy ships based off the ships of the ancient Phoenician navy.From the first spear throwers to the dreaded Claws of Archimedes, discover the ancient technologies that changed the course of human history.
Häftad, 2010
120 kr
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