http://www.informationbible.com/profile-34946/martin N/A http://www.informationbible.com/article-why-computers-are-often-used-in-banks-186438.html Sat, 07 Apr 2012 13:00:00 GMT The need for rapid communication between a central office and outlying branches is now under consideration in many spheres. http://www.informationbible.com/article-why-the-babylonians-were-such-good-mathematicians-186281.html Sat, 07 Apr 2012 13:00:00 GMT The civilization which developed in the area of the river Tigris and the river Euphrates reached its greatest splendour with the second Babylonian Empire about 2,500 years ago. http://www.informationbible.com/article-why-the-romans-substituted-the-arch-for-the-architrave-186127.html Sat, 07 Apr 2012 13:00:00 GMT An indispensable complement of the columns was the architrave that is the supported part which rested on the columns and upon which was then placed the roof of the building. http://www.informationbible.com/article-why-we-see-shooting-stars-at-night-186172.html Sat, 07 Apr 2012 13:00:00 GMT They are not really stars but meteors. We can see many of them at night, especially in August: they mark the dark sky with swift luminous traces and then disappear. http://www.informationbible.com/article-why-the-first-cars-had-solid-tyres-186203.html Sat, 07 Apr 2012 13:00:00 GMT When a technical discovery is made and something new is produced it is based logically upon ideas and materials which already exist. http://www.informationbible.com/article-why-liquids-are-measured-in-litres-186443.html Sat, 07 Apr 2012 13:00:00 GMT The metre was made the only unit of measurement in France for measuring length with effect from 1 January 1 840. http://www.informationbible.com/article-why-our-calendar-is-called-gregorian-186442.html Sat, 07 Apr 2012 13:00:00 GMT The Gregorian calendar which still exists today is named after Pope Gregory XIII under whose pontificate the reform of the calendar was carried out. http://www.informationbible.com/article-why-the-microscope-has-saved-many-lives-186187.html Sat, 07 Apr 2012 13:00:00 GMT The microscope is an instrument fitted with special lenses which enables us to see things which are invisible to the naked eye. http://www.informationbible.com/article-why-eclipses-of-the-sun-and-moon-occur-186164.html Sat, 07 Apr 2012 13:00:00 GMT Eclipses of the Moon and of the Sun have been the subject of study from the earliest times. The Sun used to be regarded as a benevolent deity and men were terrified when it suddenly became dark. http://www.informationbible.com/article-why-time-is-based-on-greenwich-186170.html Sat, 07 Apr 2012 13:00:00 GMT A day is the interval of time between two consecutive passages of the Sun over the same meridian, and it is therefore the result of the Earth’s rotation. http://www.informationbible.com/article-why-there-are-craters-on-the-surface-of-the-moon-186173.html Sat, 07 Apr 2012 13:00:00 GMT We know that the craters which we can see on the Moon are for the most part due to meteoroids. All the bodies in space are subjected to a constant rain of meteoroids, large and small. http://www.informationbible.com/article-why-hovercraft-are-so-successful-186185.html Sat, 07 Apr 2012 13:00:00 GMT Water offers strong resistance to swimmers and vessels of any kind. However, powerful the means of propulsion, the speed of a vessel is very limited as compared with land and air transport. http://www.informationbible.com/article-why-detectors-of-radioactive-particles-are-important-186241.html Sat, 07 Apr 2012 13:00:00 GMT The techniques of nuclear science have led to the invention of various instruments for detecting the presence of radiation and to indicate their exact intensity. http://www.informationbible.com/article-why-the-last-two-centuries-were-so-important-for-scientific-progress-186176.html Sat, 07 Apr 2012 13:00:00 GMT In the past 1 50 years the rate of human progress has increased enormously. http://www.informationbible.com/article-why-trains-need-rails-186257.html Sat, 07 Apr 2012 13:00:00 GMT Trains were born on rails and still continue to run on them. This association of trains and rails is due to the way in which trains evolved. http://www.informationbible.com/article-why-the-romans-could-not-do-complicated-calculations-186432.html Sat, 07 Apr 2012 13:00:00 GMT Roman numerals, which are still in use for certain purposes, were rather rudimentary and perhaps that is why the Romans, who were very advanced in certain respects, were certainly no good at mathematics. http://www.informationbible.com/article-why-hot-springs-are-found-in-some-areas-186163.html Sat, 07 Apr 2012 13:00:00 GMT There are two different phenomena where water and gases are ejected from cracks in the Earth: those in which the jet is continuous, called fumaroles and those where the jet is intermittent, called geysers. http://www.informationbible.com/article-why-every-nation-has-produced-its-own-form-of-art-186101.html Sat, 07 Apr 2012 13:00:00 GMT It was believed for a long time that the only valid and acceptable art forms were the classical ones, that is those produced by the western Greco- Latin civilizations. http://www.informationbible.com/article-why-computers-need-memories-186436.html Sat, 07 Apr 2012 13:00:00 GMT The memory of a computer is the part of the computer in which it holds programs and also data. http://www.informationbible.com/article-why-steel-is-only-a-recent-invention-186219.html Sat, 07 Apr 2012 13:00:00 GMT When we recall that man discovered metals in prehistoric times, the era of steel which goes back less than 150 years may seem quite recent. http://www.informationbible.com/article-why-the-keystone-is-the-most-important-element-in-the-arch-186130.html Sat, 07 Apr 2012 13:00:00 GMT It is said that the arch used in building was taken from the shape of the bow used in archery. The curve of the arch is exactly that of the bow when it is bent under the pull of the string. http://www.informationbible.com/article-why-artistic-inspiration-is-often-derived-from-religion-186103.html Sat, 07 Apr 2012 13:00:00 GMT From rock drawings to the most modern forms of art we find throughout human history that religious faith has inspired innumerable artists in every field: from painting to architecture, from sculpture to mosaics. http://www.informationbible.com/article-why-we-find-the-mother-figure-represented-so-much-among-the-primitives-186106.html Sat, 07 Apr 2012 13:00:00 GMT One thing above all else dominated the mind of primitive man: the survival of the race. http://www.informationbible.com/article-why-the-egyptians-built-tombs-in-the-form-of-pyramids-186110.html Sat, 07 Apr 2012 13:00:00 GMT In ancient Egypt the pharaohs were regarded as divine and were accorded the greatest veneration. http://www.informationbible.com/article-why-the-colors-of-rock-paintings-have-lasted-until-now-186111.html Sat, 07 Apr 2012 13:00:00 GMT The actual nature of the limestone forming the caves which our remote ancestors chose for their paintings has ensured that they have been preserved and very often improved. http://www.informationbible.com/article-why-some-wall-paintings-are-called-frescoes-186113.html Sat, 07 Apr 2012 13:00:00 GMT A fresco is a special technique for painting on walls. The name indicates the nature of this type of painting, for it means fresh, that is to say, painting straight on to a wall on which the plaster is still wet. http://www.informationbible.com/article-why-we-use-the-terms-oil-paintings-colours-tempera-and-water-186115.html Sat, 07 Apr 2012 13:00:00 GMT To amalgamate the pigments and enable the artist to use them for painting special substances known as binders are needed. http://www.informationbible.com/article-why-clothes-chests-were-sometimes-painted-or-carved-186116.html Sat, 07 Apr 2012 13:00:00 GMT The furnishings of private houses were very modest in olden times. In the Middle Ages wood workers began to make furniture of some artistic style and beauty but it was not until the Renaissance that the art of making furniture really began. http://www.informationbible.com/article-why-a-model-is-prepared-before-making-a-sculpture-186117.html Sat, 07 Apr 2012 13:00:00 GMT Before producing the final work the sculptor makes models, or trial efforts, and when these have been done to his satisfaction he then moulds the final work. http://www.informationbible.com/article-why-marble-for-sculptures-must-be-selected-very-carefully-186119.html Sat, 07 Apr 2012 13:00:00 GMT The sculptor must select with the greatest care the block of granite which he wishes to shape. It must be strong enough to stand up to the countless blows of the chisel. http://www.informationbible.com/article-why-some-called-sculptures-are-low-relief-and-some-high-relief-186120.html Sat, 07 Apr 2012 13:00:00 GMT There is a particular type of sculpture in which the statue is not moulded completely, that is to say all round, but only in part: this is the so-called sculpture in relief. http://www.informationbible.com/article-why-casting-is-used-in-sculpture-186121.html Sat, 07 Apr 2012 13:00:00 GMT The artist who wants to translate the plaster model into a bronze statue must prepare the cast. http://www.informationbible.com/article-why-stone-pillars-replaced-wooden-ones-186123.html Sat, 07 Apr 2012 13:00:00 GMT The material used for building the first human habitations was wood. In fact, even today the houses of many backward peoples are still built of wood and straw. http://www.informationbible.com/article-why-the-column-is-one-of-the-basic-elements-of-architecture-186124.html Sat, 07 Apr 2012 13:00:00 GMT It is very difficult to establish exactly when man changed from being a simple builder and became an architect; that is to say when he changed from artisan to artist. http://www.informationbible.com/article-why-columns-were-often-decorated-in-various-ways-186126.html Sat, 07 Apr 2012 13:00:00 GMT In his work every artist gives expression to his inner drive. His feelings and attitudes are inspired by the world in which we live, by the customs of the people, the historical circumstances which characterize a nation in any particular epoch. http://www.informationbible.com/article-why-architecture-is-regarded-as-an-art-186128.html Sat, 07 Apr 2012 13:00:00 GMT Although the art of building houses developed a long time after painting and sculpture, it achieved a high degree of aesthetic value in a short time. http://www.informationbible.com/article-why-we-talk-of-semicircular-and-lancet-arches-186132.html Sat, 07 Apr 2012 13:00:00 GMT As soon as the arch had been discovered builders began to introduce variations, some of them quite considerable. http://www.informationbible.com/article-why-romanesque-art-flourished-in-the-middle-ages-186134.html Sat, 07 Apr 2012 13:00:00 GMT Christian art from the humble beginnings of the catacombs to the impressive art of the basilicas, had not given expression to anything new or really original. http://www.informationbible.com/article-why-the-flying-buttress-was-widely-used-in-gothic-architecture-186135.html Sat, 07 Apr 2012 13:00:00 GMT The Romanesque architects, mostly monks, were very clearly influenced by the spirit of asceticism which yielded little to imagination, nature or inspiration. Their art was certainly sublime but it was also cold. http://www.informationbible.com/article-why-some-buildings-are-called-flamboyant-186137.html Sat, 07 Apr 2012 13:00:00 GMT The innumerable fluted columns, the abundance of windows, rosettes, tiny belfries and stone tracery, the presence of imposing but airy flying buttresses, the prevalence of pointed vaults and arches are the features which distinguish the Gothic style. http://www.informationbible.com/article-why-the-style-of-the-eighteenth-century-was-called-neo-classic-186138.html Sat, 07 Apr 2012 13:00:00 GMT As with all human activities which are subject to recurrent tastes and reversions, in art the fever of the Baroque was succeeded by a period of reaction. http://www.informationbible.com/article-why-the-renaissance-is-regarded-as-the-richest-period-of-art-186139.html Sat, 07 Apr 2012 13:00:00 GMT Towards the middle of the fifteenth century geographical discoveries, new inventions, the intensification of scientific study instead of philosophy signalled the end of the middle Ages. http://www.informationbible.com/article-why-there-are-so-many-baroque-churches-in-latin-america-186140.html Sat, 07 Apr 2012 13:00:00 GMT The Spanish conquerors and colonizers of America were almost always accompanied by Roman Catholic priests who, in addition to acting as chaplains to the Spaniards. http://www.informationbible.com/article-why-modern-architecture-is-different-from-the-old-186142.html Sat, 07 Apr 2012 13:00:00 GMT The technical problem which has worried builders of all periods more than any other is that of statics. Obviously the prime function of a building is to stay erect: if it tumbles down it ceases to be a building. http://www.informationbible.com/article-why-there-is-a-great-variety-of-architectural-styles-186143.html Sat, 07 Apr 2012 13:00:00 GMT It might logically have been thought that with the establishment of modern architecture all the buildings would be of the same style. This sometimes seems to be the case in the new parts of our cities. http://www.informationbible.com/article-why-the-cities-of-the-future-may-be-like-gardens-186145.html Sat, 07 Apr 2012 13:00:00 GMT An idea which is rapidly gaining ground in the field of architecture is that which provides for the better placing of human dwelling places in a framework of natural surroundings, making them quiet, comfortable and relaxing. http://www.informationbible.com/article-why-chinese-porcelain-is-famous-186147.html Sat, 07 Apr 2012 13:00:00 GMT When Marco Polo returned from China and brought back to the West the first articles of porcelain, the alchemists throughout Europe vied with one another to discover the secret of its composition. http://www.informationbible.com/article-why-enamels-are-used-with-certain-metals-186151.html Sat, 07 Apr 2012 13:00:00 GMT The precious metals which are used for making jewellery have been embellished since very ancient times by setting stones in them and by enamels. Fine gold and pure copper as thin as possible are the best metals on which to enamel. http://www.informationbible.com/article-why-precious-stones-are-cut-186152.html Sat, 07 Apr 2012 13:00:00 GMT Some stones are called precious because they have qualities of special hardness, beauty and rarity. http://www.informationbible.com/article-why-man-creates-beauty-in-objects-of-every-day-use-186154.html Sat, 07 Apr 2012 13:00:00 GMT As soon as ancient man had freed himself from the worries of survival, he turned his attention to work which was of no immediate practical use but served to make life more comfortable and beautiful. http://www.informationbible.com/article-why-flower-arrangement-is-also-an-art-186155.html Sat, 07 Apr 2012 13:00:00 GMT Ikebana is a typically Japanese art. It consists in arranging flowers not merely for the aesthetic pleasure of their appearance but also to draw from them religious and philosophical inspiration and encouragement. http://www.informationbible.com/article-why-the-study-of-eclipses-is-important-186166.html Sat, 07 Apr 2012 13:00:00 GMT To us the Sun appears to be the largest and brightest of the stars visible to the naked eye, but it is really one of the smallest and faintest. http://www.informationbible.com/article-why-we-have-changes-of-seasons-186169.html Sat, 07 Apr 2012 13:00:00 GMT The year is divided into four seasons which, in Europe, are associated with the annual pattern of plant life. They do not depend upon the greater or shorter distance of the Earth from the Sun, but on the varied inclination of the axis of the Earth at different times in relation to the Sun’s rays. http://www.informationbible.com/article-why-airships-are-no-longer-used-186178.html Sat, 07 Apr 2012 13:00:00 GMT As a means of transport airships had their golden age in the early decades of this century, although they originated some fifty years before. http://www.informationbible.com/article-why-in-future-we-shall-have-to-purify-sea-water-186180.html Sat, 07 Apr 2012 13:00:00 GMT The life of modern man calls for an ever increasing consumption of water. To take one example from industry: to build a single motorcar needs two and a half million litres of water. http://www.informationbible.com/article-why-man-needs-electronic-computers-186182.html Sat, 07 Apr 2012 13:00:00 GMT The complex structure of modern society, the enormous problems arising from technical and scientific developments, the continuous search for perfection in many fields of industry and numerous other factors all contribute to the need for more and more complicated calculations. http://www.informationbible.com/article-why-magnetic-trains-are-being-used-in-some-places-186183.html Sat, 07 Apr 2012 13:00:00 GMT Travelling into the centres of large and crowded cities can be a great problem. Unless there is an adequate system of public transport, traffic jams and parked vehicles will block the streets. http://www.informationbible.com/article-why-goods-are-sent-in-special-containers-186186.html Sat, 07 Apr 2012 13:00:00 GMT Enormous quantities of goods used to be carried in the holds of ships. packed into cases and containers of all shapes and sizes: sacks, bales, baskets, trunks. http://www.informationbible.com/article-why-the-atom-is-so-important-in-our-everyday-lives-186189.html Sat, 07 Apr 2012 13:00:00 GMT Everything which exists in nature, all living creatures and non-living things on the Earth, are composed of atoms. http://www.informationbible.com/article-why-quasars-are-studied-186190.html Sat, 07 Apr 2012 13:00:00 GMT Quasars, which were first identified in 1960, emit radio waves as well as light. http://www.informationbible.com/article-why-radio-telescopes-are-better-for-observing-the-most-distant-stars-186196.html Sat, 07 Apr 2012 13:00:00 GMT Technical and scientific progress first made available to man instruments such as the telescope which enabled astronomers to bring the heavenly bodies nearer and study them more closely. http://www.informationbible.com/article-why-astronomical-observatories-are-built-on-high-mountains-186198.html Sat, 07 Apr 2012 13:00:00 GMT The planet Earth is surrounded by an enormous layer of air, the atmosphere. http://www.informationbible.com/article-why-balloons-are-used-for-astronomical-research-186201.html Sat, 07 Apr 2012 13:00:00 GMT Astronomers have always wanted observatories situated as high as possible. http://www.informationbible.com/article-why-we-sometimes-see-rainbows-in-the-sky-186202.html Sat, 07 Apr 2012 13:00:00 GMT Generally we have little idea of light, particularly that of the Sun. The most we think of is that it is useful for life on Earth. http://www.informationbible.com/article-why-balloons-must-have-means-of-rising-and-descending-quickly-186206.html Sat, 07 Apr 2012 13:00:00 GMT The force of ascension of balloons is given, in accordance with the principle of Archimedes, by the difference between the weight of the mass of air displaced by the envelope and the weight of the gas contained in the balloon. http://www.informationbible.com/article-why-james-watt-was-a-pioneer-of-the-industrial-age-186207.html Sat, 07 Apr 2012 13:00:00 GMT The steam engine originated in England early in the eighteenth century. http://www.informationbible.com/article-why-the-first-trains-were-drawn-by-steam-engines-186209.html Sat, 07 Apr 2012 13:00:00 GMT The first types of true motor cars were steam engines applied to vehicles. http://www.informationbible.com/article-why-aerodynamic-shape-is-important-in-vehicles-186211.html Sat, 07 Apr 2012 13:00:00 GMT Any body which moves in a gas or liquid has its movement conditioned by its shape: if it is squat it will be slowed down and if it is slender it will be speeded up. http://www.informationbible.com/article-why-wind-tunnels-are-used-186216.html Sat, 07 Apr 2012 13:00:00 GMT Almost all parts of aeroplanes are subjected to strong, often very strong pressures from the air through which they move. http://www.informationbible.com/article-why-the-electric-car-is-not-in-everyday-use-186218.html Sat, 07 Apr 2012 13:00:00 GMT The air of the large cities is being polluted to the incredible but true extent of 90 per cent by the exhaust gases of motor cars fitted with internal combustion engines. http://www.informationbible.com/article-why-artificial-satellites-do-not-fall-back-on-to-the-earth-186221.html Sat, 07 Apr 2012 13:00:00 GMT First of all we must make a distinction with regard to artificial satellites. http://www.informationbible.com/article-why-so-many-artificial-satellites-have-been-put-into-orbit-186222.html Sat, 07 Apr 2012 13:00:00 GMT After discovering the method of placing artificial satellites in orbit around the Earth and of launching them towards other planets of the solar system, scientists began to examine ways in which such a promising invention could be used. http://www.informationbible.com/article-why-iron-can-float-on-water-186227.html Sat, 07 Apr 2012 13:00:00 GMT Ships are built of iron and yet they do not sink. Why is this? The explanation was given by Archimedes of Syracuse, a scientist who lived more than 2,000 years ago. http://www.informationbible.com/article-why-it-is-very-difficult-to-explore-the-depths-of-the-sea-186228.html Sat, 07 Apr 2012 13:00:00 GMT The exploration of the ocean depths has always had a fascination for man and there have been many daring attempts even though some of them met with little success. http://www.informationbible.com/article-why-a-balloon-bursts-if-it-rises-too-high-186231.html Sat, 07 Apr 2012 13:00:00 GMT Atmospheric pressure varies according to temperature, wind and latitude and in particular it varies with height: the higher you go, the less the pressure because there is less air above you. http://www.informationbible.com/article-why-electrical-charges-form-in-the-sky-186232.html Sat, 07 Apr 2012 13:00:00 GMT The clouds which mass in the sky before a storm become charged with electricity through passing over strata of air at different temperatures. http://www.informationbible.com/article-why-among-ancient-peoples-there-was-a-great-similarity-in-the-way-numbers-were-written-186431.html Sat, 07 Apr 2012 13:00:00 GMT Man’s ability to make calculations is certainly very old. For instance, barter, the primitive form of trading, required some form of calculation, however elementary. http://www.informationbible.com/article-why-electricity-is-transmitted-at-high-tension-186234.html Sat, 07 Apr 2012 13:00:00 GMT The use of electricity has reached enormous proportions. Consequently there arose a need to transport electricity to ever greater distances. This raised a serious problem. http://www.informationbible.com/article-why-electric-current-does-not-pass-from-the-wires-to-the-metal-pylons-186235.html Sat, 07 Apr 2012 13:00:00 GMT The huge pylons which carry the electric cables are a normal sight today. These pylons are made of steel and are able to carry high tension electric cables without themselves being affected by the current. http://www.informationbible.com/article-why-scientific-research-is-important-186237.html Sat, 07 Apr 2012 13:00:00 GMT The great scientific discoveries which have brought mankind to its present state of progress in almost every sphere were in the past always the result of individual research. http://www.informationbible.com/article-why-so-much-money-is-invested-in-atomic-research-186239.html Sat, 07 Apr 2012 13:00:00 GMT Among the numerous fields of study in which science is at present engaged, atomic research undoubtedly offers the greatest possibilities. http://www.informationbible.com/article-why-radioactive-substances-are-dangerous-186240.html Sat, 07 Apr 2012 13:00:00 GMT The human body like that of all living creatures is normally able to withstand natural radiations, such as the rays of the Sun. without the risk of any irreparable damage. http://www.informationbible.com/article-why-radioisotopes-are-used-in-agriculture-186244.html Sat, 07 Apr 2012 13:00:00 GMT Radioactive isotopes or radio- isotopes are used in very many scientific fields. In agriculture they have been used in research which has produced some surprising results. http://www.informationbible.com/article-why-radioisotopes-will-solve-the-problem-of-parasites-186245.html Sat, 07 Apr 2012 13:00:00 GMT Every day the fight against parasites is becoming more intense. Enormous areas of cultivated land can be damaged irreparably in a few hours by a massive attack by harmful insects. http://www.informationbible.com/article-why-radioisotopes-are-indisispensable-in-industry-186248.html Sat, 07 Apr 2012 13:00:00 GMT There are a surprising number of uses in industry for radioisotopes: even the expert has to make considerable efforts to keep up to date in a changing field of research and application. http://www.informationbible.com/article-why-solar-energy-will-be-widely-used-in-future-186251.html Sat, 07 Apr 2012 13:00:00 GMT The vast amount of energy which the Sun radiates has not yet been exploited on a scientific scale, except to an insignificant degree. http://www.informationbible.com/article-why-aircraft-are-able-to-fly-186262.html Sat, 07 Apr 2012 13:00:00 GMT Man has always dreamed of being able to fly but it was not until quite recent times that this dream was fulfilled, first by lighter- than-air machines such as balloons and airships, and then by heavier- than-air machines or aeroplanes driven by airscrews or jet engines. http://www.informationbible.com/article-why-helicopters-are-so-common-nowadays-186253.html Sat, 07 Apr 2012 13:00:00 GMT The helicopter, the latest addition in the field of aeronautics, is today being used more and more in a great variety of activities. http://www.informationbible.com/article-why-it-is-useful-to-build-nuclear-icebreakers-186254.html Sat, 07 Apr 2012 13:00:00 GMT The first naval vessel to use nuclear energy for propulsion was the American submarine Nautilus launched in 1 955. http://www.informationbible.com/article-why-port-facilities-will-very-soon-have-to-be-renewed-186256.html Sat, 07 Apr 2012 13:00:00 GMT Only a few years ago through the initiative of the Japanese shipbuilding industry, special giant oil tankers were built. http://www.informationbible.com/article-why-automatic-signals-are-used-on-the-railways-186259.html Sat, 07 Apr 2012 13:00:00 GMT With the ever increasing speeds of the trains and the continued development of the tracks it became necessary to have a system of distant signals, both day and night, which could give a guarantee of safety. http://www.informationbible.com/article-why-some-aircraft-are-called-supersonic-186264.html Sat, 07 Apr 2012 13:00:00 GMT A supersonic aircraft is one that can fly faster than the speed of sound. This speed is about 1,200 kilometres an hour at sea level, but less at high altitudes. http://www.informationbible.com/article-why-the-decimal-system-is-not-used-in-computers-186435.html Sat, 07 Apr 2012 13:00:00 GMT Since the introduction of Arabic numerals into Europe over seven hundred years ago, there has never been such a revolution in the world of mathematical calculations as that being brought about at the present time by computers. http://www.informationbible.com/article-why-we-cannot-do-without-mathematics-186277.html Sat, 07 Apr 2012 13:00:00 GMT How many times in a day’s work do we have to use mathematics and calculations? It is difficult to say exactly but it is certain that there is no activity, however remote it may seem, that is not in some way connected with numbers. http://www.informationbible.com/article-why-many-primitive-people-only-count-up-to-twenty-186280.html Sat, 07 Apr 2012 13:00:00 GMT Although a system of numbers based on our fingers and toes is in a certain sensethe most convenient because the means of counting are always to hand, it can nevertheless be very limiting: in other words, there is a risk of never exceeding the number twenty. http://www.informationbible.com/article-why-the-egyptians-must-have-been-good-at-geometry-186283.html Sat, 07 Apr 2012 13:00:00 GMT Whenever we talk about ancient Egypt our thoughts immediately go to the huge buildings, the colossal monuments erected by the genius of this exceptional people. http://www.informationbible.com/article-why-we-use-triangulation-for-measuring-fields-186284.html Sat, 07 Apr 2012 13:00:00 GMT The measurement of areas of land would be quite easy if they were always symmetrical. http://www.informationbible.com/article-why-geometric-symbols-abound-in-magic-186286.html Sat, 07 Apr 2012 13:00:00 GMT From very ancient times mathematical calculations and geometrical studies were the almost exclusive prerogative of certain classes of people, who were surrounded by the aura of mystery and magic which always accompanies those who are able to do unusual things http://www.informationbible.com/article-why-we-use-arabic-numerals-186288.html Sat, 07 Apr 2012 13:00:00 GMT The Arabs, Persians. Egyptians and Hindus have all claimed to be the originators of what we call Arabic numerals. http://www.informationbible.com/article-why-nought-is-the-most-important-numeral-186289.html Sat, 07 Apr 2012 13:00:00 GMT The figure nought which we use with such ease and assurance was unknown among the ancients and was introduced only with the system of calculation devised by the Indians. http://www.informationbible.com/article-why-the-human-mind-cannot-understand-the-exact-meaning-of-some-numbers-186291.html Sat, 07 Apr 2012 13:00:00 GMT If, after counting up to twenty, the Australian aborigine wishes to express a large number he merely says many’. http://www.informationbible.com/article-why-distances-are-measured-in-metres-186446.html Sat, 07 Apr 2012 13:00:00 GMT Throughout the centuries there have been many and varied systems of measurement. Gradually, however, man realized that if he wished to measure the things which interested him with any degree of accuracy he would have to use a constant unit of measurement. http://www.informationbible.com/article-why-every-house-has-meters-186449.html Sat, 07 Apr 2012 13:00:00 GMT Few houses today are without electricity and gas. The user of these services has to pay, in addition to a fixed charge. an amount based on the quantity of electricity or gas actually consumed. http://www.informationbible.com/article-why-there-are-some-special-submultiples-186448.html Sat, 07 Apr 2012 13:00:00 GMT As a result of the great development of science and particularly the rapid progress which has been made during this century, the decimal metric system has had to undergo considerable changes. http://www.informationbible.com/article-why-we-say-that-mathematicians-are-very-absentminded-186423.html Sat, 07 Apr 2012 13:00:00 GMT The traditional belief that studious people in general and mathematicians in particular are very absent-minded is supported by numerous stories. http://www.informationbible.com/article-why-computers-are-necessary-in-modern-war-186453.html Sat, 07 Apr 2012 13:00:00 GMT When weapons were very simple man could use them without the need for any special apparatus. This is no longer the case today when their speed and complexity make automation essential. http://www.informationbible.com/article-why-we-can-say-that-animals-are-able-to-count-186434.html Sat, 07 Apr 2012 13:00:00 GMT It may seem rather strange to say that animals are able to count, but some interesting experiments have been carried out in this connection. http://www.informationbible.com/article-why-there-are-seven-musical-notes-186439.html Sat, 07 Apr 2012 13:00:00 GMT Music based on the seven notes of the diatonic scale is only about a thousand years old. It was in fact invented by Guido d’Arezzo, a Benedictine monk who was extremely fond of sacred music and who lived from about 990 to 1050. http://www.informationbible.com/article-why-there-is-a-difference-between-solar-time-and-sidereal-time-186441.html Sat, 07 Apr 2012 13:00:00 GMT We all know that the Earth moves in two distinct ways: one of revolution around the Sun and the other of rotation on its own’ axis. http://www.informationbible.com/article-why-weights-are-measured-in-grammes-186447.html Sat, 07 Apr 2012 13:00:00 GMT It is probable that the need for a unit of weight was only clearly realized when trading in precious metals began. http://www.informationbible.com/article-why-it-is-difficult-to-win-at-roulette-186451.html Sat, 07 Apr 2012 13:00:00 GMT Roulette is a gambling game played in the casinos of Europe and North and South America. http://www.informationbible.com/article-why-graphs-are-used-186452.html Sat, 07 Apr 2012 13:00:00 GMT Numbers have always been very useful instruments of human progress but sometimes a great deal of ability and analysis is required to interpret them.