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What displaced this style of lamp? | <text>What displaced this style of lamp?</text><reasoning>A variation of the incandescent lamp did not use a hot wire filament, but instead used an arc struck on a spherical bead electrode to produce heat. The electrode then became incandescent, with the arc contributing little to the light produced. Such lamps were us... |
What made power distribution economically viable in Edison's lamp? | <text>What made power distribution economically viable in Edison's lamp?</text><reasoning>In addressing the question of who invented the incandescent lamp, historians Robert Friedel and Paul Israel list 22 inventors of incandescent lamps prior to Joseph Swan and Thomas Edison. They conclude that Edison's version was ab... |
How many inventors came up with electric lamps before Thomas Edison? | <text>How many inventors came up with electric lamps before Thomas Edison?</text><reasoning>In addressing the question of who invented the incandescent lamp, historians Robert Friedel and Paul Israel list 22 inventors of incandescent lamps prior to Joseph Swan and Thomas Edison. They conclude that Edison's version was ... |
How did Edison achieve a higher vacuum than other inventors? | <text>How did Edison achieve a higher vacuum than other inventors?</text><reasoning>In addressing the question of who invented the incandescent lamp, historians Robert Friedel and Paul Israel list 22 inventors of incandescent lamps prior to Joseph Swan and Thomas Edison. They conclude that Edison's version was able to ... |
Which historians wrote about the advantages of Edison's lamp over other early versions? | <text>Which historians wrote about the advantages of Edison's lamp over other early versions?</text><reasoning>In addressing the question of who invented the incandescent lamp, historians Robert Friedel and Paul Israel list 22 inventors of incandescent lamps prior to Joseph Swan and Thomas Edison. They conclude that Ed... |
What does a power factor of 1 mean? | <text>What does a power factor of 1 mean?</text><reasoning>Incandescent lamps are nearly pure resistive loads with a power factor of 1. This means the actual power consumed (in watts) and the apparent power (in volt-amperes) are equal. Incandescent light bulbs are usually marketed according to the electrical power cons... |
What principally determines the wattage of an incandescent bulb? | <text>What principally determines the wattage of an incandescent bulb?</text><reasoning>Incandescent lamps are nearly pure resistive loads with a power factor of 1. This means the actual power consumed (in watts) and the apparent power (in volt-amperes) are equal. Incandescent light bulbs are usually marketed according... |
What determines the resistance of the filament? | <text>What determines the resistance of the filament?</text><reasoning>Incandescent lamps are nearly pure resistive loads with a power factor of 1. This means the actual power consumed (in watts) and the apparent power (in volt-amperes) are equal. Incandescent light bulbs are usually marketed according to the electrica... |
How close do incandescent lamps come to pure resistive loads? | <text>How close do incandescent lamps come to pure resistive loads?</text><reasoning>Incandescent lamps are nearly pure resistive loads with a power factor of 1. This means the actual power consumed (in watts) and the apparent power (in volt-amperes) are equal. Incandescent light bulbs are usually marketed according to... |
All other things being equal, how does wattage affect light emitted? | <text>All other things being equal, how does wattage affect light emitted?</text><reasoning>Incandescent lamps are nearly pure resistive loads with a power factor of 1. This means the actual power consumed (in watts) and the apparent power (in volt-amperes) are equal. Incandescent light bulbs are usually marketed accor... |
What determines the resistance of a filament? | <text>What determines the resistance of a filament?</text><reasoning>The actual resistance of the filament is temperature dependent. The cold resistance of tungsten-filament lamps is about 1/15 the hot-filament resistance when the lamp is operating. For example, a 100-watt, 120-volt lamp has a resistance of 144 ohms wh... |
What does a "T" rating symbol on an electrical contact mean? | <text>What does a "T" rating symbol on an electrical contact mean?</text><reasoning>The actual resistance of the filament is temperature dependent. The cold resistance of tungsten-filament lamps is about 1/15 the hot-filament resistance when the lamp is operating. For example, a 100-watt, 120-volt lamp has a resistance... |
How long does it take a typical 100-watt bulb to achieve 90% of its brightness? | <text>How long does it take a typical 100-watt bulb to achieve 90% of its brightness?</text><reasoning>The actual resistance of the filament is temperature dependent. The cold resistance of tungsten-filament lamps is about 1/15 the hot-filament resistance when the lamp is operating. For example, a 100-watt, 120-volt la... |
How does the cold resistance of tungsten filament lamps compare to the hot resistance? | <text>How does the cold resistance of tungsten filament lamps compare to the hot resistance?</text><reasoning>The actual resistance of the filament is temperature dependent. The cold resistance of tungsten-filament lamps is about 1/15 the hot-filament resistance when the lamp is operating. For example, a 100-watt, 120-... |
What is the resistance of a typical lit 100-watt incandescent bulb? | <text>What is the resistance of a typical lit 100-watt incandescent bulb?</text><reasoning>The actual resistance of the filament is temperature dependent. The cold resistance of tungsten-filament lamps is about 1/15 the hot-filament resistance when the lamp is operating. For example, a 100-watt, 120-volt lamp has a res... |
Which inventors patented the tungsten filament lamp? | <text>Which inventors patented the tungsten filament lamp?</text><reasoning>On 13 December 1904, Hungarian Sándor Just and Croatian Franjo Hanaman were granted a Hungarian patent (No. 34541) for a tungsten filament lamp that lasted longer and gave brighter light than the carbon filament. Tungsten filament lamps were fi... |
When did Just and Hanaman receive their patent for the tungsten filament lamp? | <text>When did Just and Hanaman receive their patent for the tungsten filament lamp?</text><reasoning>On 13 December 1904, Hungarian Sándor Just and Croatian Franjo Hanaman were granted a Hungarian patent (No. 34541) for a tungsten filament lamp that lasted longer and gave brighter light than the carbon filament. Tungs... |
Which company first marketed the tungsten filament lamp? | <text>Which company first marketed the tungsten filament lamp?</text><reasoning>On 13 December 1904, Hungarian Sándor Just and Croatian Franjo Hanaman were granted a Hungarian patent (No. 34541) for a tungsten filament lamp that lasted longer and gave brighter light than the carbon filament. Tungsten filament lamps wer... |
What type of gas fills a tungsten filament bulb? | <text>What type of gas fills a tungsten filament bulb?</text><reasoning>On 13 December 1904, Hungarian Sándor Just and Croatian Franjo Hanaman were granted a Hungarian patent (No. 34541) for a tungsten filament lamp that lasted longer and gave brighter light than the carbon filament. Tungsten filament lamps were first ... |
What is a common alternate name for the tungsten filament bulb in Europe? | <text>What is a common alternate name for the tungsten filament bulb in Europe?</text><reasoning>On 13 December 1904, Hungarian Sándor Just and Croatian Franjo Hanaman were granted a Hungarian patent (No. 34541) for a tungsten filament lamp that lasted longer and gave brighter light than the carbon filament. Tungsten f... |
At what temperature does a typical 50-hour-life projection bulb operate? | <text>At what temperature does a typical 50-hour-life projection bulb operate?</text><reasoning>In flood lamps used for photographic lighting, the tradeoff is made in the other direction. Compared to general-service bulbs, for the same power, these bulbs produce far more light, and (more importantly) light at a higher ... |
Which metal has the highest melting point? | <text>Which metal has the highest melting point?</text><reasoning>In flood lamps used for photographic lighting, the tradeoff is made in the other direction. Compared to general-service bulbs, for the same power, these bulbs produce far more light, and (more importantly) light at a higher color temperature, at the expe... |
What is the typical life of a P1 lamp? | <text>What is the typical life of a P1 lamp?</text><reasoning>In flood lamps used for photographic lighting, the tradeoff is made in the other direction. Compared to general-service bulbs, for the same power, these bulbs produce far more light, and (more importantly) light at a higher color temperature, at the expense ... |
How does the color temperature differ for photographic lighting? | <text>How does the color temperature differ for photographic lighting?</text><reasoning>In flood lamps used for photographic lighting, the tradeoff is made in the other direction. Compared to general-service bulbs, for the same power, these bulbs produce far more light, and (more importantly) light at a higher color te... |
How many lumens per watt does a typical 100-watt, 120-volt lamp produce? | <text>How many lumens per watt does a typical 100-watt, 120-volt lamp produce?</text><reasoning>Lamps designed for different voltages have different luminous efficacy. For example, a 100-watt, 120-volt lamp will produce about 17.1 lumens per watt. A lamp with the same rated lifetime but designed for 230 V would produce... |
How many lumens per watt does a typical train light produce? | <text>How many lumens per watt does a typical train light produce?</text><reasoning>Lamps designed for different voltages have different luminous efficacy. For example, a 100-watt, 120-volt lamp will produce about 17.1 lumens per watt. A lamp with the same rated lifetime but designed for 230 V would produce only around... |
How does filament size relate to voltage level? | <text>How does filament size relate to voltage level?</text><reasoning>Lamps designed for different voltages have different luminous efficacy. For example, a 100-watt, 120-volt lamp will produce about 17.1 lumens per watt. A lamp with the same rated lifetime but designed for 230 V would produce only around 12.8 lumens ... |
What is the effect of a thicker filament on bulb temperature? | <text>What is the effect of a thicker filament on bulb temperature?</text><reasoning>Lamps designed for different voltages have different luminous efficacy. For example, a 100-watt, 120-volt lamp will produce about 17.1 lumens per watt. A lamp with the same rated lifetime but designed for 230 V would produce only aroun... |
When did the "Centennial Light" begin burning? | <text>When did the "Centennial Light" begin burning?</text><reasoning>The relationships above are valid for only a few percent change of voltage around rated conditions, but they do indicate that a lamp operated at much lower than rated voltage could last for hundreds of times longer than at rated conditions, albeit wi... |
How much light does the bulb emit? | <text>How much light does the bulb emit?</text><reasoning>The relationships above are valid for only a few percent change of voltage around rated conditions, but they do indicate that a lamp operated at much lower than rated voltage could last for hundreds of times longer than at rated conditions, albeit with greatly r... |
When did the long-lasting bulb in Texas begin continuing illumination? | <text>When did the long-lasting bulb in Texas begin continuing illumination?</text><reasoning>The relationships above are valid for only a few percent change of voltage around rated conditions, but they do indicate that a lamp operated at much lower than rated voltage could last for hundreds of times longer than at rat... |
Where did the Texas bulb begin its life? | <text>Where did the Texas bulb begin its life?</text><reasoning>The relationships above are valid for only a few percent change of voltage around rated conditions, but they do indicate that a lamp operated at much lower than rated voltage could last for hundreds of times longer than at rated conditions, albeit with gre... |
What does clothing protect from things which may injure it? | <text>What does clothing protect from things which may injure it?</text><reasoning>Clothing protects against many things that might injure the uncovered human body. Clothes protect people from the elements, including rain, snow, wind, and other weather, as well as from the sun. However, clothing that is too sheer, thin... |
Rain, snow, and wind are what class of things clothing protects the wearer from? | <text>Rain, snow, and wind are what class of things clothing protects the wearer from?</text><reasoning>Clothing protects against many things that might injure the uncovered human body. Clothes protect people from the elements, including rain, snow, wind, and other weather, as well as from the sun. However, clothing th... |
Clothing that is too sheer will offer less what? | <text>Clothing that is too sheer will offer less what?</text><reasoning>Clothing protects against many things that might injure the uncovered human body. Clothes protect people from the elements, including rain, snow, wind, and other weather, as well as from the sun. However, clothing that is too sheer, thin, small, ti... |
What type of hazard is noxious chemicals? | <text>What type of hazard is noxious chemicals?</text><reasoning>Clothing protects against many things that might injure the uncovered human body. Clothes protect people from the elements, including rain, snow, wind, and other weather, as well as from the sun. However, clothing that is too sheer, thin, small, tight, et... |
What type of clothing do doctors wear to protect their surroundings? | <text>What type of clothing do doctors wear to protect their surroundings?</text><reasoning>Clothing protects against many things that might injure the uncovered human body. Clothes protect people from the elements, including rain, snow, wind, and other weather, as well as from the sun. However, clothing that is too sh... |
What obvious improvement does clothing bestow upon the wearer? | <text>What obvious improvement does clothing bestow upon the wearer?</text><reasoning>The most obvious function of clothing is to improve the comfort of the wearer, by protecting the wearer from the elements. In hot climates, clothing provides protection from sunburn or wind damage, while in cold climates its thermal i... |
In what type of climate does clothing protect against sunburn and wind damage? | <text>In what type of climate does clothing protect against sunburn and wind damage?</text><reasoning>The most obvious function of clothing is to improve the comfort of the wearer, by protecting the wearer from the elements. In hot climates, clothing provides protection from sunburn or wind damage, while in cold climat... |
What property of clothing is important in cold climates? | <text>What property of clothing is important in cold climates?</text><reasoning>The most obvious function of clothing is to improve the comfort of the wearer, by protecting the wearer from the elements. In hot climates, clothing provides protection from sunburn or wind damage, while in cold climates its thermal insulat... |
What has seasonal and regional aspects? | <text>What has seasonal and regional aspects?</text><reasoning>The most obvious function of clothing is to improve the comfort of the wearer, by protecting the wearer from the elements. In hot climates, clothing provides protection from sunburn or wind damage, while in cold climates its thermal insulation properties ar... |
What type of material tends to be worn in warmer seasons? | <text>What type of material tends to be worn in warmer seasons?</text><reasoning>The most obvious function of clothing is to improve the comfort of the wearer, by protecting the wearer from the elements. In hot climates, clothing provides protection from sunburn or wind damage, while in cold climates its thermal insula... |
What isn't it easy to determine about clothing? | <text>What isn't it easy to determine about clothing?</text><reasoning>There is no easy way to determine when clothing was first developed, but some information has been inferred by studying lice. The body louse specifically lives in clothing, and diverge from head lice about 107,000 years ago, suggesting that clothing... |
What organism has provided some information about the timeline of clothing? | <text>What organism has provided some information about the timeline of clothing?</text><reasoning>There is no easy way to determine when clothing was first developed, but some information has been inferred by studying lice. The body louse specifically lives in clothing, and diverge from head lice about 107,000 years a... |
What habitat is the body louse specific to? | <text>What habitat is the body louse specific to?</text><reasoning>There is no easy way to determine when clothing was first developed, but some information has been inferred by studying lice. The body louse specifically lives in clothing, and diverge from head lice about 107,000 years ago, suggesting that clothing exi... |
What may modern humans be the only survivor of several species of? | <text>What may modern humans be the only survivor of several species of?</text><reasoning>There is no easy way to determine when clothing was first developed, but some information has been inferred by studying lice. The body louse specifically lives in clothing, and diverge from head lice about 107,000 years ago, sugge... |
How many thousands of years ago may have clothing been worn? | <text>How many thousands of years ago may have clothing been worn?</text><reasoning>There is no easy way to determine when clothing was first developed, but some information has been inferred by studying lice. The body louse specifically lives in clothing, and diverge from head lice about 107,000 years ago, suggesting ... |
What can clothing provide during hazardous activities? | <text>What can clothing provide during hazardous activities?</text><reasoning>Physically, clothing serves many purposes: it can serve as protection from the elements, and can enhance safety during hazardous activities such as hiking and cooking. It protects the wearer from rough surfaces, rash-causing plants, insect bi... |
What type of surfaces can clothing protect from? | <text>What type of surfaces can clothing protect from?</text><reasoning>Physically, clothing serves many purposes: it can serve as protection from the elements, and can enhance safety during hazardous activities such as hiking and cooking. It protects the wearer from rough surfaces, rash-causing plants, insect bites, s... |
What does clothing keep toxic materials away from? | <text>What does clothing keep toxic materials away from?</text><reasoning>Physically, clothing serves many purposes: it can serve as protection from the elements, and can enhance safety during hazardous activities such as hiking and cooking. It protects the wearer from rough surfaces, rash-causing plants, insect bites,... |
What can insulate against cold or hot conditions? | <text>What can insulate against cold or hot conditions?</text><reasoning>Physically, clothing serves many purposes: it can serve as protection from the elements, and can enhance safety during hazardous activities such as hiking and cooking. It protects the wearer from rough surfaces, rash-causing plants, insect bites, ... |
What type of radiation can clothing provide some protection from? | <text>What type of radiation can clothing provide some protection from?</text><reasoning>Physically, clothing serves many purposes: it can serve as protection from the elements, and can enhance safety during hazardous activities such as hiking and cooking. It protects the wearer from rough surfaces, rash-causing plants... |
Do fluorescent lights have a higher or lower luminous efficiency than incandescents? | <text>Do fluorescent lights have a higher or lower luminous efficiency than incandescents?</text><reasoning>There are many non-incandescent light sources, such as the fluorescent lamp, high-intensity discharge lamps and LED lamps, which have higher luminous efficiency, and some have been designed to be retrofitted in f... |
How can luminescent light sources be modified to resemble the appearance of incandescents? | <text>How can luminescent light sources be modified to resemble the appearance of incandescents?</text><reasoning>There are many non-incandescent light sources, such as the fluorescent lamp, high-intensity discharge lamps and LED lamps, which have higher luminous efficiency, and some have been designed to be retrofitte... |
Why are luminescent light sources not ideal for photography? | <text>Why are luminescent light sources not ideal for photography?</text><reasoning>There are many non-incandescent light sources, such as the fluorescent lamp, high-intensity discharge lamps and LED lamps, which have higher luminous efficiency, and some have been designed to be retrofitted in fixtures for incandescent... |
What animal has shown extreme inventiveness in the clothing it has devised? | <text>What animal has shown extreme inventiveness in the clothing it has devised?</text><reasoning>Humans have shown extreme inventiveness in devising clothing solutions to environmental hazards. Examples include: space suits, air conditioned clothing, armor, diving suits, swimsuits, bee-keeper gear, motorcycle leather... |
What are space suits an example of a solution to? | <text>What are space suits an example of a solution to?</text><reasoning>Humans have shown extreme inventiveness in devising clothing solutions to environmental hazards. Examples include: space suits, air conditioned clothing, armor, diving suits, swimsuits, bee-keeper gear, motorcycle leathers, high-visibility clothin... |
What type of implication might a certain type of clothing have? | <text>What type of implication might a certain type of clothing have?</text><reasoning>Humans have shown extreme inventiveness in devising clothing solutions to environmental hazards. Examples include: space suits, air conditioned clothing, armor, diving suits, swimsuits, bee-keeper gear, motorcycle leathers, high-visi... |
What value may clothing designed to be fashionable also have? | <text>What value may clothing designed to be fashionable also have?</text><reasoning>Humans have shown extreme inventiveness in devising clothing solutions to environmental hazards. Examples include: space suits, air conditioned clothing, armor, diving suits, swimsuits, bee-keeper gear, motorcycle leathers, high-visibi... |
Why are some parts of the body covered? | <text>Why are some parts of the body covered?</text><reasoning>Humans have shown extreme inventiveness in devising clothing solutions to environmental hazards. Examples include: space suits, air conditioned clothing, armor, diving suits, swimsuits, bee-keeper gear, motorcycle leathers, high-visibility clothing, and oth... |
What variety has there been in the materials of clothing throughout history? | <text>What variety has there been in the materials of clothing throughout history?</text><reasoning>Clothing can and has in history been made from a very wide variety of materials. Materials have ranged from leather and furs, to woven materials, to elaborate and exotic natural and synthetic fabrics. Not all body coveri... |
What is an article that is carried rather than worn that isn't regarded as clothing? | <text>What is an article that is carried rather than worn that isn't regarded as clothing?</text><reasoning>Clothing can and has in history been made from a very wide variety of materials. Materials have ranged from leather and furs, to woven materials, to elaborate and exotic natural and synthetic fabrics. Not all bod... |
Jewelry isn't considered clothing because it's usually worn purely for what reason? | <text>Jewelry isn't considered clothing because it's usually worn purely for what reason?</text><reasoning>Clothing can and has in history been made from a very wide variety of materials. Materials have ranged from leather and furs, to woven materials, to elaborate and exotic natural and synthetic fabrics. Not all body... |
What are footwear and hats both considered? | <text>What are footwear and hats both considered?</text><reasoning>Clothing can and has in history been made from a very wide variety of materials. Materials have ranged from leather and furs, to woven materials, to elaborate and exotic natural and synthetic fabrics. Not all body coverings are regarded as clothing. Art... |
What is an example of something that serves a function other than protection? | <text>What is an example of something that serves a function other than protection?</text><reasoning>Clothing can and has in history been made from a very wide variety of materials. Materials have ranged from leather and furs, to woven materials, to elaborate and exotic natural and synthetic fabrics. Not all body cover... |
Which company introduced standard base sizes for incandescent lamps? | <text>Which company introduced standard base sizes for incandescent lamps?</text><reasoning>Very small lamps may have the filament support wires extended through the base of the lamp, and can be directly soldered to a printed circuit board for connections. Some reflector-type lamps include screw terminals for connectio... |
In what year were standard base sizes introduced for incandescent lamps? | <text>In what year were standard base sizes introduced for incandescent lamps?</text><reasoning>Very small lamps may have the filament support wires extended through the base of the lamp, and can be directly soldered to a printed circuit board for connections. Some reflector-type lamps include screw terminals for conne... |
What are some common technical standards for lamp bases? | <text>What are some common technical standards for lamp bases?</text><reasoning>Very small lamps may have the filament support wires extended through the base of the lamp, and can be directly soldered to a printed circuit board for connections. Some reflector-type lamps include screw terminals for connection of wires. ... |
What is the typical base type for automotive lamps? | <text>What is the typical base type for automotive lamps?</text><reasoning>Very small lamps may have the filament support wires extended through the base of the lamp, and can be directly soldered to a printed circuit board for connections. Some reflector-type lamps include screw terminals for connection of wires. Most ... |
What is the typical base type for halogen lamps? | <text>What is the typical base type for halogen lamps?</text><reasoning>Very small lamps may have the filament support wires extended through the base of the lamp, and can be directly soldered to a printed circuit board for connections. Some reflector-type lamps include screw terminals for connection of wires. Most lam... |
Who was allowed to wear gamrents dyed with Tyrian purple in ancient Rome? | <text>Who was allowed to wear gamrents dyed with Tyrian purple in ancient Rome?</text><reasoning>In some societies, clothing may be used to indicate rank or status. In ancient Rome, for example, only senators could wear garments dyed with Tyrian purple. In traditional Hawaiian society, only high-ranking chiefs could we... |
Who was allowed to wear feather cloaks and palaoa in old school Hawaiian society? | <text>Who was allowed to wear feather cloaks and palaoa in old school Hawaiian society?</text><reasoning>In some societies, clothing may be used to indicate rank or status. In ancient Rome, for example, only senators could wear garments dyed with Tyrian purple. In traditional Hawaiian society, only high-ranking chiefs ... |
What right were lower caste women required to pay a tax to acquire? | <text>What right were lower caste women required to pay a tax to acquire?</text><reasoning>In some societies, clothing may be used to indicate rank or status. In ancient Rome, for example, only senators could wear garments dyed with Tyrian purple. In traditional Hawaiian society, only high-ranking chiefs could wear fea... |
What country once only allowed their emperor to wear yellow? | <text>What country once only allowed their emperor to wear yellow?</text><reasoning>In some societies, clothing may be used to indicate rank or status. In ancient Rome, for example, only senators could wear garments dyed with Tyrian purple. In traditional Hawaiian society, only high-ranking chiefs could wear feather cl... |
What can peer pressure influence? | <text>What can peer pressure influence?</text><reasoning>In some societies, clothing may be used to indicate rank or status. In ancient Rome, for example, only senators could wear garments dyed with Tyrian purple. In traditional Hawaiian society, only high-ranking chiefs could wear feather cloaks and palaoa, or carved ... |
Various cultures have come up with ways of making clothes from what? | <text>Various cultures have come up with ways of making clothes from what?</text><reasoning>Different cultures have evolved various ways of creating clothes out of cloth. One approach simply involves draping the cloth. Many people wore, and still wear, garments consisting of rectangles of cloth wrapped to fit – for exa... |
Many people still wear clothes that are what shape? | <text>Many people still wear clothes that are what shape?</text><reasoning>Different cultures have evolved various ways of creating clothes out of cloth. One approach simply involves draping the cloth. Many people wore, and still wear, garments consisting of rectangles of cloth wrapped to fit – for example, the dhoti f... |
What nationality wears kilts? | <text>What nationality wears kilts?</text><reasoning>Different cultures have evolved various ways of creating clothes out of cloth. One approach simply involves draping the cloth. Many people wore, and still wear, garments consisting of rectangles of cloth wrapped to fit – for example, the dhoti for men and the sari fo... |
Pins or belts hold what in place? | <text>Pins or belts hold what in place?</text><reasoning>Different cultures have evolved various ways of creating clothes out of cloth. One approach simply involves draping the cloth. Many people wore, and still wear, garments consisting of rectangles of cloth wrapped to fit – for example, the dhoti for men and the sar... |
What precious material may remain uncut? | <text>What precious material may remain uncut?</text><reasoning>Different cultures have evolved various ways of creating clothes out of cloth. One approach simply involves draping the cloth. Many people wore, and still wear, garments consisting of rectangles of cloth wrapped to fit – for example, the dhoti for men and ... |
Changes keep happening because new cultural stuff meets these type of innovations. | <text>Changes keep happening because new cultural stuff meets these type of innovations.</text><reasoning>The world of clothing is always changing, as new cultural influences meet technological innovations. Researchers in scientific labs have been developing prototypes for fabrics that can serve functional purposes wel... |
What have researchers in science labs been making? | <text>What have researchers in science labs been making?</text><reasoning>The world of clothing is always changing, as new cultural influences meet technological innovations. Researchers in scientific labs have been developing prototypes for fabrics that can serve functional purposes well beyond their traditional roles... |
What elementary force can some specialized fabrics generate? | <text>What elementary force can some specialized fabrics generate?</text><reasoning>The world of clothing is always changing, as new cultural influences meet technological innovations. Researchers in scientific labs have been developing prototypes for fabrics that can serve functional purposes well beyond their traditi... |
What can garments made with kevlar resist? | <text>What can garments made with kevlar resist?</text><reasoning>The world of clothing is always changing, as new cultural influences meet technological innovations. Researchers in scientific labs have been developing prototypes for fabrics that can serve functional purposes well beyond their traditional roles, for ex... |
Stain-resistant fabrics are coated with chemicals to reduce what? | <text>Stain-resistant fabrics are coated with chemicals to reduce what?</text><reasoning>The world of clothing is always changing, as new cultural influences meet technological innovations. Researchers in scientific labs have been developing prototypes for fabrics that can serve functional purposes well beyond their tr... |
How was the earliest clothing kept on the body? | <text>How was the earliest clothing kept on the body?</text><reasoning>According to archaeologists and anthropologists, the earliest clothing likely consisted of fur, leather, leaves, or grass that were draped, wrapped, or tied around the body. Knowledge of such clothing remains inferential, since clothing materials de... |
What does clothing materials do more quickly compared to stone and bone? | <text>What does clothing materials do more quickly compared to stone and bone?</text><reasoning>According to archaeologists and anthropologists, the earliest clothing likely consisted of fur, leather, leaves, or grass that were draped, wrapped, or tied around the body. Knowledge of such clothing remains inferential, si... |
Who has identified needles from about 30,000 B.C.? | <text>Who has identified needles from about 30,000 B.C.?</text><reasoning>According to archaeologists and anthropologists, the earliest clothing likely consisted of fur, leather, leaves, or grass that were draped, wrapped, or tied around the body. Knowledge of such clothing remains inferential, since clothing materials... |
Where have flax fibers which may have been used in clothing found? | <text>Where have flax fibers which may have been used in clothing found?</text><reasoning>According to archaeologists and anthropologists, the earliest clothing likely consisted of fur, leather, leaves, or grass that were draped, wrapped, or tied around the body. Knowledge of such clothing remains inferential, since cl... |
What dates back to 36,000 BP? | <text>What dates back to 36,000 BP?</text><reasoning>According to archaeologists and anthropologists, the earliest clothing likely consisted of fur, leather, leaves, or grass that were draped, wrapped, or tied around the body. Knowledge of such clothing remains inferential, since clothing materials deteriorate quickly ... |
What had somewhat became an international style by the early 21st century? | <text>What had somewhat became an international style by the early 21st century?</text><reasoning>By the early years of the 21st century, western clothing styles had, to some extent, become international styles. This process began hundreds of years earlier, during the periods of European colonialism. The process of cul... |
Cultural dissemination has continued over the what? | <text>Cultural dissemination has continued over the what?</text><reasoning>By the early years of the 21st century, western clothing styles had, to some extent, become international styles. This process began hundreds of years earlier, during the periods of European colonialism. The process of cultural dissemination has... |
What have Western corporations penetrated? | <text>What have Western corporations penetrated?</text><reasoning>By the early years of the 21st century, western clothing styles had, to some extent, become international styles. This process began hundreds of years earlier, during the periods of European colonialism. The process of cultural dissemination has perpetua... |
Who has been spreading Western culture and styles? | <text>Who has been spreading Western culture and styles?</text><reasoning>By the early years of the 21st century, western clothing styles had, to some extent, become international styles. This process began hundreds of years earlier, during the periods of European colonialism. The process of cultural dissemination has ... |
Who donates discard Western clothing to people in poor places? | <text>Who donates discard Western clothing to people in poor places?</text><reasoning>By the early years of the 21st century, western clothing styles had, to some extent, become international styles. This process began hundreds of years earlier, during the periods of European colonialism. The process of cultural dissem... |
What century do dissertation on clothing first appear from? | <text>What century do dissertation on clothing first appear from?</text><reasoning>Although dissertations on clothing and its function appear from the 19th century as colonising countries dealt with new environments, concerted scientific research into psycho-social, physiological and other functions of clothing (e.g. p... |
What year was J. C. Flügel's Psychology of Clothes published? | <text>What year was J. C. Flügel's Psychology of Clothes published?</text><reasoning>Although dissertations on clothing and its function appear from the 19th century as colonising countries dealt with new environments, concerted scientific research into psycho-social, physiological and other functions of clothing (e.g.... |
Whose book entitled Physiology of Heat Regulation and The Science of Clothing was published in 1949? | <text>Whose book entitled Physiology of Heat Regulation and The Science of Clothing was published in 1949?</text><reasoning>Although dissertations on clothing and its function appear from the 19th century as colonising countries dealt with new environments, concerted scientific research into psycho-social, physiologica... |
How much had the science of clothing in relation to environmental factors changed by 1968? | <text>How much had the science of clothing in relation to environmental factors changed by 1968?</text><reasoning>Although dissertations on clothing and its function appear from the 19th century as colonising countries dealt with new environments, concerted scientific research into psycho-social, physiological and othe... |
What have remained unchanged while the knowledge has grown? | <text>What have remained unchanged while the knowledge has grown?</text><reasoning>Although dissertations on clothing and its function appear from the 19th century as colonising countries dealt with new environments, concerted scientific research into psycho-social, physiological and other functions of clothing (e.g. p... |
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