triplets list | passage stringlengths 6 20.1k | __index_level_0__ int64 0 834 |
|---|---|---|
[
"Paper",
"made from material",
"wood fiber"
] | Paper is a thin sheet material produced by mechanically or chemically processing cellulose fibres derived from wood, rags, grasses or other vegetable sources in water, draining the water through fine mesh leaving the fibre evenly distributed on the surface, followed by pressing and drying. Although paper was originally... | 17 |
[
"Paper",
"instance of",
"physical object"
] | Paper is a thin sheet material produced by mechanically or chemically processing cellulose fibres derived from wood, rags, grasses or other vegetable sources in water, draining the water through fine mesh leaving the fibre evenly distributed on the surface, followed by pressing and drying. Although paper was originally... | 22 |
[
"Paper",
"different from",
"parchment"
] | Etymology
The word paper is etymologically derived from Latin papyrus, which comes from the Greek πᾰ́πῡρος (pápūros), the word for the Cyperus papyrus plant. Papyrus is a thick, paper-like material produced from the pith of the Cyperus papyrus plant, which was used in ancient Egypt and other Mediterranean cultures for ... | 27 |
[
"NGC 884",
"instance of",
"open cluster"
] | NGC 884 (also known as χ Persei) is an open cluster located 7640 light years away in the constellation of Perseus. It is the easternmost of the Double Cluster with NGC 869. NGC 869 and 884 are often designated h and χ Persei, respectively. The cluster is about 14 million years old. Located in the Perseus OB1 associatio... | 6 |
[
"Double Cluster",
"instance of",
"open cluster"
] | The Double Cluster (also known as Caldwell 14) consists of the open clusters NGC 869 and NGC 884 (often designated h Persei and χ (chi) Persei, respectively), which are close together in the constellation Perseus. Both visible with the naked eye, NGC 869 and NGC 884 lie at a distance of about 7,500 light years in the P... | 1 |
[
"Acupuncture",
"country of origin",
"People's Republic of China"
] | History
Origins
Acupuncture, along with moxibustion, is one of the oldest practices of traditional Chinese medicine. Most historians believe the practice began in China, though there are some conflicting narratives on when it originated. Academics David Ramey and Paul Buell said the exact date acupuncture was founded d... | 0 |
[
"Acupuncture",
"part of",
"acupuncture and moxibustion"
] | Clinical practice
Acupuncture is a form of alternative medicine. It is used most commonly for pain relief, though it is also used to treat a wide range of conditions. Acupuncture is generally only used in combination with other forms of treatment. For example, the American Society of Anesthesiologists states it may be ... | 12 |
[
"Perseids",
"named after",
"Perseus"
] | The Perseids are a prolific meteor shower associated with the comet Swift–Tuttle. The meteors are called the Perseids because the point from which they appear to hail (called the radiant) lies in the constellation Perseus.Etymology
The name is derived from the word Perseidai (Greek: Περσείδαι), the sons of Perseus in G... | 1 |
[
"Aeolipile",
"named after",
"Hero of Alexandria"
] | An aeolipile, aeolipyle, or eolipile, from the Greek "αιολουπυλη", also known as a Heron's engine, is a simple, bladeless radial steam turbine which spins when the central water container is heated. Torque is produced by steam jets exiting the turbine. The Greek-Egyptian mathematician and engineer Hero of Alexandria de... | 1 |
[
"Heron's fountain",
"discoverer or inventor",
"Hero of Alexandria"
] | Heron's fountain is a hydraulic machine invented by the 1st century AD inventor, mathematician, and physicist Heron of Alexandria (also known as Hero of Alexandria).
Heron studied the pressure of air and steam, described the first steam engine, and built toys that would spurt water, one of them known as Heron's fountai... | 0 |
[
"Heron's fountain",
"named after",
"Hero of Alexandria"
] | Heron's fountain is a hydraulic machine invented by the 1st century AD inventor, mathematician, and physicist Heron of Alexandria (also known as Hero of Alexandria).
Heron studied the pressure of air and steam, described the first steam engine, and built toys that would spurt water, one of them known as Heron's fountai... | 1 |
[
"Antinous (constellation)",
"instance of",
"asterism"
] | Antinous is an obsolete constellation no longer in use by astronomers, having been merged into Aquila, which it bordered to the north.
The constellation was created by the emperor Hadrian in 132. Antinous was a beautiful youth loved by Hadrian, and also his erotic lover. Cassius Dio, having access to Hadrian's diary no... | 5 |
[
"SN 185",
"instance of",
"supernova remnant"
] | SN 185 was a transient astronomical event observed in the year AD 185, likely a supernova. The transient occurred in the direction of Alpha Centauri, between the constellations Circinus and Centaurus, centered at RA 14h 43m Dec −62° 30′, in Circinus. This "guest star" was observed by Chinese astronomers in the Book of... | 3 |
[
"Strettweg cult wagon",
"country",
"Austria"
] | The Strettweg cult wagon, or Strettweg sacrificial wagon, or Strettweg chariot is a bronze cult wagon from ca. 600 BC, which was found as part of a princely grave of the Hallstatt culture in Strettweg near Judenburg, Austria in 1851. Besides the wagon, other grave goods, like jewelry, bronze amphorae, iron weapons, an... | 0 |
[
"Strettweg cult wagon",
"collection",
"Universalmuseum Joanneum"
] | The Strettweg cult wagon, or Strettweg sacrificial wagon, or Strettweg chariot is a bronze cult wagon from ca. 600 BC, which was found as part of a princely grave of the Hallstatt culture in Strettweg near Judenburg, Austria in 1851. Besides the wagon, other grave goods, like jewelry, bronze amphorae, iron weapons, an... | 7 |
[
"Alexander's band",
"facet of",
"double rainbow"
] | Alexander's band or Alexander's dark band is an optical phenomenon associated with rainbows which was named after Alexander of Aphrodisias who first described this phenomenon in Aphrodisias, Commentary on Book IV of Aristotle's Meteorology (also known as: Commentary on Book IV of Aristotle's De Meteorologica or On A... | 0 |
[
"Alexander's band",
"named after",
"Alexandros of Aphrodisias"
] | Alexander's band or Alexander's dark band is an optical phenomenon associated with rainbows which was named after Alexander of Aphrodisias who first described this phenomenon in Aphrodisias, Commentary on Book IV of Aristotle's Meteorology (also known as: Commentary on Book IV of Aristotle's De Meteorologica or On A... | 2 |
[
"Alexander's band",
"subclass of",
"atmospheric optical phenomenon"
] | Alexander's band or Alexander's dark band is an optical phenomenon associated with rainbows which was named after Alexander of Aphrodisias who first described this phenomenon in Aphrodisias, Commentary on Book IV of Aristotle's Meteorology (also known as: Commentary on Book IV of Aristotle's De Meteorologica or On A... | 3 |
[
"Hydroponics",
"subclass of",
"agriculture"
] | Hydroponics is a type of horticulture and a subset of hydroculture which involves growing plants, usually crops or medicinal plants, without soil, by using water-based mineral nutrient solutions. Terrestrial or aquatic plants may grow with their roots exposed to the nutritious liquid or in addition, the roots may be me... | 2 |
[
"Hydroponics",
"has use",
"horticulture"
] | Hydroponics is a type of horticulture and a subset of hydroculture which involves growing plants, usually crops or medicinal plants, without soil, by using water-based mineral nutrient solutions. Terrestrial or aquatic plants may grow with their roots exposed to the nutritious liquid or in addition, the roots may be me... | 5 |
[
"SN 386",
"instance of",
"supernova"
] | SN 386 is a probable transient astronomical event in the constellation Sagittarius, which appeared as a "guest star" that was reported by Chinese astronomers in 386 CE. | 0 |
[
"Equal-field system",
"country",
"Tang dynasty"
] | Basis
The system worked on the basis that most land was owned by the government, which would then assign it to individual families. All individuals, including slaves, were entitled to a certain amount of land, the amount depending on their ability to supply labor. For example, able-bodied men received 40 mu of land (ar... | 1 |
[
"Equal-field system",
"country",
"Northern Wei"
] | The equal-field system (Chinese: 均田制度; pinyin: Jūntián Zhìdù) or land-equalization system was a system of land ownership and distribution in China used from the Northern Wei to the mid-Tang dynasty.
By the Han dynasty, the well-field system of land distribution had fallen out of use in China though reformers like Wang ... | 5 |
[
"Augustinian hypothesis",
"discoverer or inventor",
"Augustine of Hippo"
] | Origin
The hypothesis takes its name from Augustine of Hippo, an early 5th century bishop and church father, who wrote: "Now, those four evangelists whose names have gained the most remarkable circulation over the whole world, and whose number has been fixed as four, ...are believed to have written in the order which f... | 0 |
[
"Augustinian hypothesis",
"facet of",
"Synoptic problem"
] | The Augustinian hypothesis (sometimes referred to as the Augustinian Proposal) is a solution to the synoptic problem, which concerns the origin of the Gospels of the New Testament. The hypothesis holds that Matthew was written first, by Matthew the Evangelist (see the Gospel According to the Hebrews and the Jewish-Chri... | 1 |
[
"Greek fire",
"instance of",
"incendiary weapon"
] | Greek fire was an incendiary weapon used by the Eastern Roman Empire beginning AD 672. Used to set enemy ships on fire, it consisted of a combustible compound emitted by a flame-throwing weapon. Some historians said it could be ignited on contact with water, and was probably based on naphtha and quicklime. The Byzantin... | 2 |
[
"Man'yōgana",
"subclass of",
"kana"
] | Man'yōgana (万葉仮名, Japanese pronunciation: [maɰ̃joꜜːɡana] or [maɰ̃joːɡana]) is an ancient writing system that uses Chinese characters to represent the Japanese language. It was the first known kana system to be developed as a means to represent the Japanese language phonetically. The date of the earliest usage of this t... | 2 |
[
"Man'yōgana",
"named after",
"Man'yōshū"
] | Man'yōgana (万葉仮名, Japanese pronunciation: [maɰ̃joꜜːɡana] or [maɰ̃joːɡana]) is an ancient writing system that uses Chinese characters to represent the Japanese language. It was the first known kana system to be developed as a means to represent the Japanese language phonetically. The date of the earliest usage of this t... | 5 |
[
"Insular script",
"based on",
"half uncial"
] | Insular script was a medieval script system originating from Ireland that spread to Anglo-Saxon England and continental Europe under the influence of Irish Christianity. Irish missionaries took the script to continental Europe, where they founded monasteries such as Bobbio. The scripts were also used in monasteries lik... | 5 |
[
"Shō (instrument)",
"subclass of",
"free reeds"
] | The shō (笙) is a Japanese free reed musical instrument that was introduced from China during the Nara period (AD 710 to 794). It is descended from the Chinese sheng, of the Tang Dynasty era, although the shō tends to be smaller in size than its contemporary sheng relatives. It consists of 17 slender bamboo pipes, each ... | 1 |
[
"Shō (instrument)",
"subclass of",
"traditional Japanese musical instrument"
] | The shō (笙) is a Japanese free reed musical instrument that was introduced from China during the Nara period (AD 710 to 794). It is descended from the Chinese sheng, of the Tang Dynasty era, although the shō tends to be smaller in size than its contemporary sheng relatives. It consists of 17 slender bamboo pipes, each ... | 4 |
[
"Gunpowder",
"has part(s)",
"charcoal"
] | Gunpowder, also commonly known as black powder to distinguish it from modern smokeless powder, is the earliest known chemical explosive. It consists of a mixture of sulfur, carbon (in the form of charcoal) and potassium nitrate (saltpeter). The sulfur and carbon act as fuels while the saltpeter is an oxidizer. Gunpowde... | 6 |
[
"Gunpowder",
"has part(s)",
"potassium nitrate"
] | Components
Gunpowder is a granular mixture of:a nitrate, typically potassium nitrate (KNO3), which supplies oxygen for the reaction;
charcoal, which provides carbon and other fuel for the reaction, simplified as carbon (C);
sulfur (S), which, while also serving as a fuel, lowers the temperature required to ignite the m... | 9 |
[
"Gunpowder",
"instance of",
"mixture"
] | Gunpowder, also commonly known as black powder to distinguish it from modern smokeless powder, is the earliest known chemical explosive. It consists of a mixture of sulfur, carbon (in the form of charcoal) and potassium nitrate (saltpeter). The sulfur and carbon act as fuels while the saltpeter is an oxidizer. Gunpowde... | 16 |
[
"Asama Onsen",
"instance of",
"onsen"
] | Asama Onsen (浅間温泉) is an onsen located in the city of Matsumoto, Nagano Prefecture, Japan.
The Asama Hot Spring Center, also known as the Hot Plaza Hall, has a configuration typical of many Japanese onsen with separate areas for males and females; each area contains multiple indoor pools, saunas and two outdoor pools, ... | 2 |
[
"Andromeda Galaxy",
"instance of",
"spiral galaxy"
] | The Andromeda Galaxy (also known as Messier 31, M31, NGC 224 and originally the Andromeda Nebula) is a barred spiral galaxy and is the closest major galaxy to the Milky Way, where the Solar System resides. It has a diameter of about 46.56 kiloparsecs (152,000 light-years) and is approximately 765 kpc (2.5 million light... | 0 |
[
"Andromeda Galaxy",
"named after",
"Andromeda"
] | The Andromeda Galaxy (also known as Messier 31, M31, NGC 224 and originally the Andromeda Nebula) is a barred spiral galaxy and is the closest major galaxy to the Milky Way, where the Solar System resides. It has a diameter of about 46.56 kiloparsecs (152,000 light-years) and is approximately 765 kpc (2.5 million light... | 3 |
[
"Brocchi's Cluster",
"discoverer or inventor",
"Abd al-Rahman al-Sufi"
] | Brocchi's Cluster (also known as Collinder 399, Cr 399 or Al Sufi's Cluster) is a asterism of six stars in an apparent row, across 1.3° of the night sky and four others, in the south of the constellation Vulpecula, thus near Sagitta. Its nickname is the Coathanger. None of these ten stars are believed to be much grav... | 2 |
[
"Large Magellanic Cloud",
"named after",
"Ferdinand Magellan"
] | Ferdinand Magellan sighted the LMC on his voyage in 1519 and his writings brought it into common Western knowledge. The galaxy now bears his name.
The galaxy and southern end of Dorado are in the current epoch at opposition on about 5 December when thus visible from sunset to sunrise from equatorial points such as Ecua... | 2 |
[
"Large Magellanic Cloud",
"instance of",
"dwarf galaxy"
] | The Large Magellanic Cloud (LMC) is a satellite galaxy of the Milky Way. At a distance of around 50 kiloparsecs (160 kly), the LMC is the second- or third-closest galaxy to the Milky Way, after the Sagittarius Dwarf Spheroidal (c. 16 kpc (52 kly) away) and the possible dwarf irregular galaxy called the Canis Major Over... | 11 |
[
"Thuluth",
"part of",
"Arabic calligraphy"
] | History
The greatest contributions to the evolution of the Thuluth script occurred in the Ottoman Empire in three successive steps that Ottoman art historians call "calligraphical revolutions":The first revolution occurred in the 15th century and was initiated by the master calligrapher Sheikh Hamdullah.
The second rev... | 2 |
[
"Thuluth",
"instance of",
"script"
] | Thuluth (Arabic: ثُلُث, Ṯuluṯ or Arabic: خَطُّ الثُّلُثِ, Ḵaṭṭ-uṯ-Ṯuluṯ; Persian: ثلث, Sols; Turkish: Sülüs, from thuluth "one-third") is a script variety of Islamic calligraphy. The straight angular forms of Kufic were replaced in the new script by curved and oblique lines. In Thuluth, one-third of each letter slopes,... | 3 |
[
"SN 1006",
"instance of",
"supernova"
] | SN 1006 was a supernova that is likely the brightest observed stellar event in recorded history, reaching an estimated −7.5 visual magnitude, and exceeding roughly sixteen times the brightness of Venus. Appearing between April 30 and May 1, 1006, in the constellation of Lupus, this "guest star" was described by observe... | 2 |
[
"SN 1054",
"instance of",
"supernova"
] | SN 1054 is a supernova that was first observed on c. 4 July 1054, and remained visible until c. 6 April 1056.αThe event was recorded in contemporary Chinese astronomy, and references to it are also found in a later (13th-century) Japanese document, and in a document from the Islamic world. Furthermore, there are a numb... | 1 |
[
"SN 1054",
"instance of",
"star"
] | SN 1054 is a supernova that was first observed on c. 4 July 1054, and remained visible until c. 6 April 1056.αThe event was recorded in contemporary Chinese astronomy, and references to it are also found in a later (13th-century) Japanese document, and in a document from the Islamic world. Furthermore, there are a numb... | 4 |
[
"Tangent (trigonometry)",
"opposite of",
"cotangent"
] | In mathematics, the trigonometric functions (also called circular functions, angle functions or goniometric functions) are real functions which relate an angle of a right-angled triangle to ratios of two side lengths. They are widely used in all sciences that are related to geometry, such as navigation, solid mechanics... | 5 |
[
"Tangent (trigonometry)",
"part of",
"tangent and cotangent"
] | Notation
Conventionally, an abbreviation of each trigonometric function's name is used as its symbol in formulas. Today, the most common versions of these abbreviations are "sin" for sine, "cos" for cosine, "tan" or "tg" for tangent, "sec" for secant, "csc" or "cosec" for cosecant, and "cot" or "ctg" for cotangent. His... | 8 |
[
"Trial division",
"discoverer or inventor",
"Fibonacci"
] | Trial division is the most laborious but easiest to understand of the integer factorization algorithms. The essential idea behind trial division tests to see if an integer n, the integer to be factored, can be divided by each number in turn that is less than n. For example, for the integer n = 12, the only numbers th... | 2 |
[
"Middle-square method",
"instance of",
"pseudorandom number generator"
] | In mathematics and computer science, the middle-square method is a method of generating pseudorandom numbers. In practice it is a highly flawed method for many practical purposes, since its period is usually very short and it has some severe weaknesses; repeated enough times, the middle-square method will either begin ... | 4 |
[
"Tian yuan shu",
"instance of",
"algebra"
] | Tian yuan shu (simplified Chinese: 天元术; traditional Chinese: 天元術; pinyin: tiān yuán shù) is a Chinese system of algebra for polynomial equations. Some of the earliest existing writings were created in the 13th century during the Yuan dynasty. However, the tianyuanshu method was known much earlier, in the Song dynasty a... | 1 |
[
"Tian yuan shu",
"discoverer or inventor",
"Zhu Shijie"
] | History
The Tianyuanshu was explained in the writings of Zhu Shijie (Jade Mirror of the Four Unknowns) and Li Zhi (Ceyuan haijing), two Chinese mathematicians during the Mongol Yuan dynasty.
However, after the Ming overthrew the Mongol Yuan, Zhu and Li's mathematical works went into disuse as the Ming literati became s... | 5 |
[
"Verge escapement",
"subclass of",
"escapement"
] | The verge (or crown wheel) escapement is the earliest known type of mechanical escapement, the mechanism in a mechanical clock that controls its rate by allowing the gear train to advance at regular intervals or 'ticks'. Verge escapements were used from the late 13th century until the mid 19th century in clocks and poc... | 0 |
[
"Verge escapement",
"different from",
"Foliot"
] | The earliest description of an escapement, in Richard of Wallingford's 1327 manuscript Tractatus Horologii Astronomici on the clock he built at the Abbey of St. Albans, was not a verge, but a variation called a 'strob' escapement. It consisted of a pair of escape wheels on the same axle, with alternating radial teeth.... | 1 |
[
"Tenjukoku Shūchō Mandala",
"country",
"Japan"
] | The Tenjukoku Shūchō Mandala (天寿国繍帳) is a Japanese work of textile art. It is the oldest known example of embroidery in Japan, dating back to 622 CE. It was created in honour of Prince Shōtoku, one of the earliest proponents of Japanese Buddhism. | 0 |
[
"Tenjukoku Shūchō Mandala",
"country of origin",
"Japan"
] | The Tenjukoku Shūchō Mandala (天寿国繍帳) is a Japanese work of textile art. It is the oldest known example of embroidery in Japan, dating back to 622 CE. It was created in honour of Prince Shōtoku, one of the earliest proponents of Japanese Buddhism.Creation
In the Jōgū Shōtoku Hōō Teisetsu, it is recorded that Tachibana n... | 1 |
[
"Tenjukoku Shūchō Mandala",
"fabrication method",
"embroidery"
] | Creation
In the Jōgū Shōtoku Hōō Teisetsu, it is recorded that Tachibana no Ōiratsume, one of the widows of Prince Shōtoku, commissioned the mandala after her husband's death, to represent the heavenly realm to which he had departed so that she could envision his afterlife. The artwork was created by maidservants of th... | 2 |
[
"Tenjukoku Shūchō Mandala",
"made from material",
"silk"
] | Creation
In the Jōgū Shōtoku Hōō Teisetsu, it is recorded that Tachibana no Ōiratsume, one of the widows of Prince Shōtoku, commissioned the mandala after her husband's death, to represent the heavenly realm to which he had departed so that she could envision his afterlife. The artwork was created by maidservants of th... | 3 |
[
"Tenjukoku Shūchō Mandala",
"time period",
"Asuka period"
] | The Tenjukoku Shūchō Mandala (天寿国繍帳) is a Japanese work of textile art. It is the oldest known example of embroidery in Japan, dating back to 622 CE. It was created in honour of Prince Shōtoku, one of the earliest proponents of Japanese Buddhism. | 7 |
[
"Tenjukoku Shūchō Mandala",
"commemorates",
"Prince Shōtoku"
] | Creation
In the Jōgū Shōtoku Hōō Teisetsu, it is recorded that Tachibana no Ōiratsume, one of the widows of Prince Shōtoku, commissioned the mandala after her husband's death, to represent the heavenly realm to which he had departed so that she could envision his afterlife. The artwork was created by maidservants of th... | 9 |
[
"Tenjukoku Shūchō Mandala",
"made from material",
"gauze"
] | Content
The mandala depicts the Buddhist realm of Tenjukoku (天寿国), or the "Land of Infinite Life", and presents a number of different elements representing various Buddhist concepts. The building in the bottom right is assumed by most scholars to represent the heavenly palace of Zenpōdō from the Maitreya Sutra. The mai... | 10 |
[
"Tenjukoku Shūchō Mandala",
"owned by",
"Chūgū-ji"
] | Replica and current version
The mandala is held at the Nara National Museum, but remains the property of the Chūgū-ji temple in Nara Prefecture. The extant version was created in the Edo period by combining remnants of the original embroidery with a replica made in the late 13th century.Its association with the temple ... | 11 |
[
"Tenjukoku Shūchō Mandala",
"instance of",
"traditional handicraft"
] | The Tenjukoku Shūchō Mandala (天寿国繍帳) is a Japanese work of textile art. It is the oldest known example of embroidery in Japan, dating back to 622 CE. It was created in honour of Prince Shōtoku, one of the earliest proponents of Japanese Buddhism.Creation
In the Jōgū Shōtoku Hōō Teisetsu, it is recorded that Tachibana n... | 15 |
[
"Tenjukoku Shūchō Mandala",
"instance of",
"textile artwork"
] | The Tenjukoku Shūchō Mandala (天寿国繍帳) is a Japanese work of textile art. It is the oldest known example of embroidery in Japan, dating back to 622 CE. It was created in honour of Prince Shōtoku, one of the earliest proponents of Japanese Buddhism.Creation
In the Jōgū Shōtoku Hōō Teisetsu, it is recorded that Tachibana n... | 17 |
[
"Tenjukoku Shūchō Mandala",
"instance of",
"embroidery"
] | The Tenjukoku Shūchō Mandala (天寿国繍帳) is a Japanese work of textile art. It is the oldest known example of embroidery in Japan, dating back to 622 CE. It was created in honour of Prince Shōtoku, one of the earliest proponents of Japanese Buddhism.Creation
In the Jōgū Shōtoku Hōō Teisetsu, it is recorded that Tachibana n... | 18 |
[
"Land mine",
"part of",
"minefield"
] | A land mine, or landmine, is an explosive device concealed under or camouflaged on the ground, and designed to destroy or disable enemy targets, ranging from combatants to vehicles and tanks, as they pass over or near it.Such a device is typically detonated automatically by way of pressure when a target steps on it or ... | 1 |
[
"Lightning rod",
"discoverer or inventor",
"Benjamin Franklin"
] | History
The principle of the lightning rod was first detailed by Benjamin Franklin in Pennsylvania in 1749, who in subsequent years developed his invention for household application (published in 1753) and made further improvements towards a reliable system around 1760. | 1 |
[
"Lightning rod",
"has use",
"lightning protection"
] | A lightning rod or lightning conductor (British English) is a metal rod mounted on a structure and intended to protect the structure from a lightning strike. If lightning hits the structure, it will preferentially strike the rod and be conducted to ground through a wire, instead of passing through the structure, where... | 7 |
[
"Arsenic",
"discoverer or inventor",
"Albertus Magnus"
] | During the Bronze Age, arsenic was often included in bronze, which made the alloy harder (so-called "arsenical bronze").
The isolation of arsenic was described by Jabir ibn Hayyan before 815 AD. Albertus Magnus (Albert the Great, 1193–1280) later isolated the element from a compound in 1250, by heating soap together wi... | 5 |
[
"Arsenic",
"part of",
"arsenide(3-)"
] | Compounds
Compounds of arsenic resemble in some respects those of phosphorus which occupies the same group (column) of the periodic table. The most common oxidation states for arsenic are: −3 in the arsenides, which are alloy-like intermetallic compounds, +3 in the arsenites, and +5 in the arsenates and most organoarse... | 11 |
[
"Sonnet",
"country of origin",
"Kingdom of Sicily"
] | A sonnet is a poetic form that originated in the poetry composed at the Court of the Holy Roman Emperor Frederick II in the Sicilian city of Palermo. The 13th-century poet and notary Giacomo da Lentini is credited with the sonnet's invention, and the Sicilian School of poets who surrounded him then spread the form to t... | 1 |
[
"Sonnet",
"discoverer or inventor",
"Giacomo da Lentini"
] | A sonnet is a poetic form that originated in the poetry composed at the Court of the Holy Roman Emperor Frederick II in the Sicilian city of Palermo. The 13th-century poet and notary Giacomo da Lentini is credited with the sonnet's invention, and the Sicilian School of poets who surrounded him then spread the form to t... | 8 |
[
"Sonnet",
"has part(s)",
"stanza"
] | By the time the second half of the 19th century was reached, sonnets become chiefly interesting for their publication in long sequences. It was during this period that attempts to renew the form were continually being made. Elizabeth Barrett Browning's autobiographical Sonnets from the Portuguese (1845–50), for example... | 9 |
[
"Sonnet",
"instance of",
"poetic form"
] | A sonnet is a poetic form that originated in the poetry composed at the Court of the Holy Roman Emperor Frederick II in the Sicilian city of Palermo. The 13th-century poet and notary Giacomo da Lentini is credited with the sonnet's invention, and the Sicilian School of poets who surrounded him then spread the form to t... | 13 |
[
"Selfmate",
"instance of",
"type of chess problem"
] | A selfmate is a chess problem in which White, moving first, must force the unwilling Black to deliver checkmate within a specified number of moves. Selfmates were once known as sui-mates.Example
The problem shown is a relatively simple example. It is a selfmate in two by Wolfgang Pauly from The Theory of Pawn Promotion... | 1 |
[
"Selfmate",
"subclass of",
"unorthodox chess problem"
] | Variations
A derivative of the selfmate is the reflexmate, in which White compels Black to give mate with the added condition that if either player can give mate, they must (when this condition applies only to Black, it is a semi-reflexmate). There is also the maximummer, in which Black must always make the geometrical... | 2 |
[
"Grant Acedrex",
"part of",
"chess terminology"
] | Game end
In Grant Acedrex, a player wins by either checkmating or stalemating the opponent. A player can also win by capturing all the opponent's pieces leaving him with a bare king. | 0 |
[
"Grant Acedrex",
"country of origin",
"Crown of Castile"
] | Grant Acedrex is a medieval chess variant dating back to the time of King Alfonso X of Castile. It appears in the Libro de los Juegos of 1283. | 2 |
[
"Grant Acedrex",
"instance of",
"chess variant"
] | Grant Acedrex is a medieval chess variant dating back to the time of King Alfonso X of Castile. It appears in the Libro de los Juegos of 1283. | 3 |
[
"Nón lá",
"subclass of",
"conical Asian hat"
] | Nón lá (Chữ Nôm: 𥶄蘿; lit. 'Leaf hat') or nón tơi (𥶄𥵖) is a type of Vietnamese headwear used to shield the face from sun and rain. Nón lá is a typical symbol of the Vietnamese people. Nón lá is a common name for many types of hats in Vietnam, but now it is mainly used to refer to cones with pointed tips.
Nón lá appea... | 1 |
[
"Nón lá",
"made from material",
"leaf"
] | Characteristics
Nón lá are often woven with different types of leaves such as palm leaves, let leaves, straw, bamboo, mortar leaves, hồ leaves, pandan leaves, du quy diệp leaves used to make hats, etc... but mainly made of conical leaves. Hats often have a strap made of soft fabric or velvet, silk to keep on the neck.
... | 2 |
[
"Lanzarote",
"country",
"Spain"
] | Lanzarote (UK: , Spanish: [lanθaˈɾote], locally [lansaˈɾote]) is a Spanish island, the easternmost of the Canary Islands in the Atlantic Ocean. It is located approximately 125 kilometres (80 miles) off the north coast of Africa and 1,000 kilometres (600 miles) from the Iberian Peninsula. Covering 845.94 square kilometr... | 0 |
[
"Lanzarote",
"part of",
"Canary Islands"
] | Lanzarote (UK: , Spanish: [lanθaˈɾote], locally [lansaˈɾote]) is a Spanish island, the easternmost of the Canary Islands in the Atlantic Ocean. It is located approximately 125 kilometres (80 miles) off the north coast of Africa and 1,000 kilometres (600 miles) from the Iberian Peninsula. Covering 845.94 square kilometr... | 3 |
[
"Lanzarote",
"instance of",
"island"
] | Lanzarote (UK: , Spanish: [lanθaˈɾote], locally [lansaˈɾote]) is a Spanish island, the easternmost of the Canary Islands in the Atlantic Ocean. It is located approximately 125 kilometres (80 miles) off the north coast of Africa and 1,000 kilometres (600 miles) from the Iberian Peninsula. Covering 845.94 square kilometr... | 5 |
[
"Lanzarote",
"discoverer or inventor",
"Lancelotto Malocello"
] | Lanzarote (UK: , Spanish: [lanθaˈɾote], locally [lansaˈɾote]) is a Spanish island, the easternmost of the Canary Islands in the Atlantic Ocean. It is located approximately 125 kilometres (80 miles) off the north coast of Africa and 1,000 kilometres (600 miles) from the Iberian Peninsula. Covering 845.94 square kilometr... | 8 |
[
"Lanzarote",
"named after",
"Lancelotto Malocello"
] | Lanzarote (UK: , Spanish: [lanθaˈɾote], locally [lansaˈɾote]) is a Spanish island, the easternmost of the Canary Islands in the Atlantic Ocean. It is located approximately 125 kilometres (80 miles) off the north coast of Africa and 1,000 kilometres (600 miles) from the Iberian Peninsula. Covering 845.94 square kilometr... | 9 |
[
"Cairo",
"instance of",
"capital city"
] | Cairo ( KY-roh; Arabic: القاهرة, romanized: al-Qāhirah, pronounced [ælqɑ(ː)ˈheɾɑ]) is the capital of Egypt and the city-state Cairo Governorate, and is the country's largest city, home to 10 million people. It is also part of the largest urban agglomeration in Africa, the Arab world and the Middle East: The Greater Ca... | 53 |
[
"Cairo",
"located in the administrative territorial entity",
"Cairo Governorate"
] | Cairo ( KY-roh; Arabic: القاهرة, romanized: al-Qāhirah, pronounced [ælqɑ(ː)ˈheɾɑ]) is the capital of Egypt and the city-state Cairo Governorate, and is the country's largest city, home to 10 million people. It is also part of the largest urban agglomeration in Africa, the Arab world and the Middle East: The Greater Ca... | 57 |
[
"Cairo",
"instance of",
"million city"
] | Cairo ( KY-roh; Arabic: القاهرة, romanized: al-Qāhirah, pronounced [ælqɑ(ː)ˈheɾɑ]) is the capital of Egypt and the city-state Cairo Governorate, and is the country's largest city, home to 10 million people. It is also part of the largest urban agglomeration in Africa, the Arab world and the Middle East: The Greater Ca... | 59 |
[
"Cairo",
"instance of",
"largest city"
] | Cairo ( KY-roh; Arabic: القاهرة, romanized: al-Qāhirah, pronounced [ælqɑ(ː)ˈheɾɑ]) is the capital of Egypt and the city-state Cairo Governorate, and is the country's largest city, home to 10 million people. It is also part of the largest urban agglomeration in Africa, the Arab world and the Middle East: The Greater Ca... | 61 |
[
"Cairo",
"instance of",
"ancient city"
] | Cairo ( KY-roh; Arabic: القاهرة, romanized: al-Qāhirah, pronounced [ælqɑ(ː)ˈheɾɑ]) is the capital of Egypt and the city-state Cairo Governorate, and is the country's largest city, home to 10 million people. It is also part of the largest urban agglomeration in Africa, the Arab world and the Middle East: The Greater Ca... | 65 |
[
"Alexandria",
"country",
"Egypt"
] | The Royal Palaces, filling the northeast angle of the town and occupying the promontory of Lochias, which shut in the Great Harbour on the east. Lochias (the modern Pharillon) has almost entirely disappeared into the sea, together with the palaces, the "Private Port," and the island of Antirrhodus. There has been a lan... | 6 |
[
"Alexandria",
"located in/on physical feature",
"Nile Delta"
] | Geography
Alexandria is located in the country of Egypt, on the southern coast of the Mediterranean. It is in the Far West Nile delta area. Its a densely populated city, its core areas belie its large administrative area.Notes:2020 CAPMAS projection based on 2017 revised census figures, may differ significantly from 20... | 50 |
[
"Alexandria",
"instance of",
"big city"
] | Geography
Alexandria is located in the country of Egypt, on the southern coast of the Mediterranean. It is in the Far West Nile delta area. Its a densely populated city, its core areas belie its large administrative area.Notes:2020 CAPMAS projection based on 2017 revised census figures, may differ significantly from 20... | 57 |
[
"Alexandria",
"located in the administrative territorial entity",
"Alexandria Governorate"
] | Geography
Alexandria is located in the country of Egypt, on the southern coast of the Mediterranean. It is in the Far West Nile delta area. Its a densely populated city, its core areas belie its large administrative area.Notes:2020 CAPMAS projection based on 2017 revised census figures, may differ significantly from 20... | 58 |
[
"Kenya",
"country",
"Kenya"
] | Kenya, officially the Republic of Kenya (Swahili: Jamhuri ya Kenya), is a country in East Africa. With a population of more than 47.6 million in the 2019 census, Kenya is the 27th most populous country in the world and 7th most populous in Africa. Kenya's capital and largest city is Nairobi, while its oldest, currently... | 8 |
[
"Kenya",
"shares border with",
"Somalia"
] | The deal allowed for China's state-controlled offshore oil and gas company, CNOOC, to prospect for oil in Kenya, which is just beginning to drill its first exploratory wells on the borders of Sudan and the disputed area of North Eastern Province, on the border with Somalia and in coastal waters. There are formal estima... | 21 |
[
"Kenya",
"shares border with",
"Tanzania"
] | Wildlife
Kenya has considerable land area devoted to wildlife habitats, including the Masai Mara, where blue wildebeest and other bovids participate in a large-scale annual migration. More than one million wildebeest and 200,000 zebras participate in the migration across the Mara River.The "Big Five" game animals of Af... | 39 |
[
"Kenya",
"instance of",
"country"
] | Kenya, officially the Republic of Kenya (Swahili: Jamhuri ya Kenya), is a country in East Africa. With a population of more than 47.6 million in the 2019 census, Kenya is the 27th most populous country in the world and 7th most populous in Africa. Kenya's capital and largest city is Nairobi, while its oldest, currently... | 83 |
[
"Kenya",
"shares border with",
"Sudan"
] | Kenya, officially the Republic of Kenya (Swahili: Jamhuri ya Kenya), is a country in East Africa. With a population of more than 47.6 million in the 2019 census, Kenya is the 27th most populous country in the world and 7th most populous in Africa. Kenya's capital and largest city is Nairobi, while its oldest, currently... | 93 |
[
"Kenya",
"named after",
"Mount Kenya"
] | Etymology
The Republic of Kenya is named after Mount Kenya. The earliest recorded version of the modern name was written by German explorer Johann Ludwig Krapf in the 19th century. While travelling with a Kamba caravan led by the legendary long-distance trader Chief Kivoi, Krapf spotted the mountain peak and asked what... | 119 |
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