A Short History of ScienceMacmillan, 1917 - 474 sider |
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Side 25
... Arabic - or more properly , Hindu - notation , in which numbers of whatever magnitude may be expressed by means of only ten symbols . In any case , however , the appreciation of large numbers soon becomes vague . To most of us the word ...
... Arabic - or more properly , Hindu - notation , in which numbers of whatever magnitude may be expressed by means of only ten symbols . In any case , however , the appreciation of large numbers soon becomes vague . To most of us the word ...
Side 38
... Arabic translations . Among specific ancient sources of infor- mation in regard to Greek mathematical science the following may be mentioned : - About 330 B.C. , Eudemus , a disciple of Aristotle , wrote a his- tory of geometry of which ...
... Arabic translations . Among specific ancient sources of infor- mation in regard to Greek mathematical science the following may be mentioned : - About 330 B.C. , Eudemus , a disciple of Aristotle , wrote a his- tory of geometry of which ...
Side 125
... Arabic arithmetic a thousand years . later . He enunciates curious theorems about squares and cubes , for example : - In the series of odd numbers from 1 , the first term is the first cube , the sum of the next two is the second , of ...
... Arabic arithmetic a thousand years . later . He enunciates curious theorems about squares and cubes , for example : - In the series of odd numbers from 1 , the first term is the first cube , the sum of the next two is the second , of ...
Side 127
... Arabic translations as the Almagest , Ptolemy undertakes to present for the first time the whole astronomical science of his age . In Book I he reviews the fundamental astronomical data thus : - The earth is a sphere , situated in the ...
... Arabic translations as the Almagest , Ptolemy undertakes to present for the first time the whole astronomical science of his age . In Book I he reviews the fundamental astronomical data thus : - The earth is a sphere , situated in the ...
Side 128
... Arabic mathematicians . 1 " For Ptolemy more geometer and astronomer than philosopher , the astronomer who seeks hypotheses adapted to save the apparent movements of the stars knows no other guide than the rule of greatest simplicity ...
... Arabic mathematicians . 1 " For Ptolemy more geometer and astronomer than philosopher , the astronomer who seeks hypotheses adapted to save the apparent movements of the stars knows no other guide than the rule of greatest simplicity ...
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Almindelige termer og sætninger
algebra Almagest analytic geometry ancient animals appeared Arabic Archimedes Aristotle arithmetic astronomy calculus centre CHAPTER chemical chemistry circle conic sections Copernicus cosmogony cubic equation curve Descartes Diophantus discovered discovery disease distance doctrine earth eighteenth century electricity elements engineer equal equations Euclid Europe evolution experiment forces Galileo Galileo Galilei geology geometry Greek Greek mathematics heat heavenly bodies heavens Hipparchus Hippocrates history of science Holy human Huygens hypothesis ideas important invention investigation Jupiter Kepler knowledge known later laws learning light mathe mathematical science mathematicians matical matter measure mechanics ment method microscope modern moon motion natural Newton nineteenth century observed orbits origin period phenomena philosophy planets Plato principle problem progress Ptolemy published Pythagoras regarded Roman says scientific special creation sphere spherical stars telescope theorems theory things tion treatise triangle Tycho Brahe universe velocity
Populære passager
Side 341 - I often say that when you can measure what you are speaking about and express it in numbers you know something about it; but when you cannot measure it, when you cannot express it in numbers, your knowledge is of a meagre and unsatisfactory kind...
Side 351 - It is hardly necessary to add that anything which any insulated body or system of bodies can continue to furnish without limitation cannot possibly be a material substance ; and it appears to me to be extremely difficult, if not quite impossible, to form any distinct idea of anything capable of being excited and communicated in the manner in which heat was excited and communicated in these experiments except it be motion.
Side 199 - Rather admire; or if they list to try Conjecture, he his fabric of the Heavens Hath left to their disputes, perhaps to move His laughter at their quaint opinions wide Hereafter, when they come to model Heaven And calculate the stars, how they will wield The mighty frame; how build, unbuild, contrive To save appearances; how gird the sphere With centric and eccentric scribbled o'er, Cycle and epicycle, orb in orb...
Side 399 - I will keep this oath and this stipulation— to reckon him who taught me this art equally dear to me as my parents, to share my substance with him and relieve his necessities if required, to look upon his offspring in the same footing as my own brothers and to teach them this art if they shall wish to learn it without fee or stipulation...
Side 300 - I do not know what I may appear to the world, but to myself I seem to have been only like a boy playing on the sea-shore, and diverting myself in now and then finding a smoother pebble or a prettier shell than ordinary, whilst the great ocean of truth lay all undiscovered before me.
Side 331 - Given for one instant an intelligence which could comprehend all the forces by which nature is animated and the respective situation of the beings who compose it an intelligence sufficiently vast to submit these data to analysis it would embrace in the same formula the movements of the greatest bodies of the universe and those of the lightest atom...
Side 269 - Our business was (precluding matters of Theology and state affairs) to discourse and consider of Philosophical Enquiries, and such as related thereunto : as physick, anatomy, geometry, astronomy, navigation, staticks, magneticks, chymicks, mechanicks, and natural experiments ; with the state of these studies, as then cultivated at home and abroad.
Side 422 - Vaccinae, A Disease Discovered in Some of the Western Counties of England. Particularly Gloucestershire, and Known by the Name of the Cow Pox...
Side 399 - I swear by Apollo the physician and Aesculapius and health and all-heal and all the gods and goddesses that according to my ability and judgment I will keep this oath and this stipulation— to reckon him who taught me this art equally dear to me as my parents...
Side 39 - Go, and say to Hezekiah, Thus saith the Lord, the God of David thy father : I have heard thy prayer, I have seen thy tears ; behold, I will add unto thy days fifteen years.