作者: fluffy 時(shí)間: 2025-3-21 22:04 作者: reception 時(shí)間: 2025-3-22 01:25 作者: calamity 時(shí)間: 2025-3-22 06:00
Ancient Computation Devicesces are available. For this reason in the present chapter we will look at those that were available in ancient times..What we call today “computing machines” were invented and developed after the 16th century but, as will become clear in the following sections, older devices are, without any doubt, 作者: flamboyant 時(shí)間: 2025-3-22 11:50 作者: 并入 時(shí)間: 2025-3-22 15:14 作者: BOLUS 時(shí)間: 2025-3-22 20:30 作者: attenuate 時(shí)間: 2025-3-22 23:41
Adduction and Distribution of Waterd illustrated the close relation between inclination, current and movement of the water. It was by following these examples that ancient civilizations were able to build aqueducts, which were no more than canals with potable water. As for the very ancient cisterns, these became the complement of the作者: 混合,攙雜 時(shí)間: 2025-3-23 03:36 作者: 屈尊 時(shí)間: 2025-3-23 08:15 作者: Living-Will 時(shí)間: 2025-3-23 12:25
Telecommunicationsy assumed the form of words, at first only a few, then increasingly more and more numerous as required to describe what had happened and was happening to the senses or was elaborated by the brain. Communication thus was strictly limited by the range of perception of those sounds: by increasing the v作者: 向下五度才偏 時(shí)間: 2025-3-23 17:53
Secondary Motorsnciple that mechanical energy could be “stored” by the deformation of a flexible element..For the Greeks any device that caused another object to move was a motor; this same criterion was used later by the Romans without any alteration. The first motor was the wind as it drove the sails and the wate作者: 大罵 時(shí)間: 2025-3-23 20:39
Some Applications of Fireellectual phase; any further development towards civilization starts from the capability of managing it..Apart from the innumerable technical and material consequences, there are others that are even more important but that at first glance escape us completely. Fire shattered darkness and eliminated作者: 案發(fā)地點(diǎn) 時(shí)間: 2025-3-23 23:25 作者: 一加就噴出 時(shí)間: 2025-3-24 05:59
1875-3442 orical developments of Mechanism Design in Antiquity.In addiWe live in an age in which one can easily think that our generation has invented and discovered almost everything; but the truth is quite the opposite. Progress cannot be considered as sudden unexpected spurts of individual brains: such a g作者: MIRE 時(shí)間: 2025-3-24 07:32 作者: 慢跑 時(shí)間: 2025-3-24 13:48
Der Wasser- und Elektrolythaushalty interested in the study of geometry..It is also well known that in building temples and towns, accurate measuring of distances is essential. A powerful impulse in this field of knowledge was experienced during the Roman Empire.作者: HALL 時(shí)間: 2025-3-24 18:51 作者: Neuropeptides 時(shí)間: 2025-3-24 21:37
Measuring Masson in nearly all populations of that time..With respect to devices, the first ones were probably those designed to measure mass, since a yarn with some knots to measure a length can not be considered a real device. The impetus for the design of mass measuring devices quite certainly came from the trades.作者: 施加 時(shí)間: 2025-3-25 03:07
Measuring Distancey interested in the study of geometry..It is also well known that in building temples and towns, accurate measuring of distances is essential. A powerful impulse in this field of knowledge was experienced during the Roman Empire.作者: 創(chuàng)造性 時(shí)間: 2025-3-25 04:16
Ancient Computation Deviceschines” were invented and developed after the 16th century but, as will become clear in the following sections, older devices are, without any doubt, legitimate precursors in the art of computation. Some of them show a surprising skill and modernity on the part of their ancient inventors.作者: 檔案 時(shí)間: 2025-3-25 09:34
Book 20091st edition. Progress cannot be considered as sudden unexpected spurts of individual brains: such a genius, the inventor of everything, has never existed in the history of humanity. What did exist was a limitless procession of experiments made by men who did not waver when faced with defeat, but were inspired 作者: persistence 時(shí)間: 2025-3-25 14:26
Energy Conversion Using Dressed Photons,to be lifted. This led to the invention of huge cranes for port use, the largest cranes still used today. Another example of vertical transport is represented by counterweight operated lifters like elevators and other devices that were employed in large theaters to lift scenery and curtains, e.g., in the Coliseum.作者: 丑惡 時(shí)間: 2025-3-25 19:21
https://doi.org/10.1057/9780230372757to be raised, can in turn provide a moderate amount of power when it falls upon a paddle wheel or when it pulls it. Both are confirmed by literary evidence from sources and clear descriptions in treatises as well as important relics, the most famous of which is unquestionably the wheel of Venafro.作者: Conducive 時(shí)間: 2025-3-25 21:30
Ways of Drifting in Design Experiments,raise sails and that was later applied to theatrical curtains as it was noted about gravity driven motors in Chapter 10. The observation of the movement of tow ropes and of sails as they were pulled taut led to other motors powered by the potential elastic energy of flexion and torsion.作者: QUAIL 時(shí)間: 2025-3-26 04:13 作者: 廣大 時(shí)間: 2025-3-26 04:20 作者: 卵石 時(shí)間: 2025-3-26 11:32
Secondary Motorsraise sails and that was later applied to theatrical curtains as it was noted about gravity driven motors in Chapter 10. The observation of the movement of tow ropes and of sails as they were pulled taut led to other motors powered by the potential elastic energy of flexion and torsion.作者: metropolitan 時(shí)間: 2025-3-26 15:41
Automata (Towards Automation and Robots)er some inventions and devices are presented in the field of automation and automata. The aim is to show the path that engineers and inventors of the past followed to reach modern devices in the field of automation.作者: FATAL 時(shí)間: 2025-3-26 17:24
Lift and Transportsto be lifted. This led to the invention of huge cranes for port use, the largest cranes still used today. Another example of vertical transport is represented by counterweight operated lifters like elevators and other devices that were employed in large theaters to lift scenery and curtains, e.g., in the Coliseum.作者: Optometrist 時(shí)間: 2025-3-26 22:30
Book 20091st editionrs and craftsmen who existed centuries and millenniums before us; who solved problems using the devices of their era, making machinery and equipment whose concept is of such a surprising modernity that we must rethink our image of the past.作者: Bumble 時(shí)間: 2025-3-27 04:28 作者: antedate 時(shí)間: 2025-3-27 07:12 作者: Arresting 時(shí)間: 2025-3-27 12:27 作者: 檢查 時(shí)間: 2025-3-27 14:29
Dresdens Glanz, Stolz der Dresdnerces are available. For this reason in the present chapter we will look at those that were available in ancient times..What we call today “computing machines” were invented and developed after the 16th century but, as will become clear in the following sections, older devices are, without any doubt, 作者: 眨眼 時(shí)間: 2025-3-27 18:25
https://doi.org/10.1057/9780230372757vices that create energy by using the kinetic energy released by the movement of an aeriform mass..Since it does not have a specific volume or a precise mass, air occupies all available space, varying its intensity in accordance with the space in which it exists. Considering that warm air is lighter作者: Regurgitation 時(shí)間: 2025-3-27 22:27
https://doi.org/10.1057/9780230372757vers or the tides of the sea. These spontaneous machines were later copied, transforming them into blades and turbines. It soon became clear that the latter two were also reversible, that is, capable of rotating when immersed in moving water and movable when rotated in still waters. The first wheele作者: 搜集 時(shí)間: 2025-3-28 05:31 作者: 殘酷的地方 時(shí)間: 2025-3-28 09:39
,Seeing through Pamela’s Clothes,d illustrated the close relation between inclination, current and movement of the water. It was by following these examples that ancient civilizations were able to build aqueducts, which were no more than canals with potable water. As for the very ancient cisterns, these became the complement of the作者: propose 時(shí)間: 2025-3-28 13:33 作者: 圖畫文字 時(shí)間: 2025-3-28 15:14 作者: keloid 時(shí)間: 2025-3-28 20:15 作者: 確定 時(shí)間: 2025-3-28 23:19
Ways of Drifting in Design Experiments,nciple that mechanical energy could be “stored” by the deformation of a flexible element..For the Greeks any device that caused another object to move was a motor; this same criterion was used later by the Romans without any alteration. The first motor was the wind as it drove the sails and the wate作者: 工作 時(shí)間: 2025-3-29 04:13 作者: overshadow 時(shí)間: 2025-3-29 09:13
Studying the Weather from the Insideturies. The idea or the desire to build automatic devices is almost as ancient as the early knowledge in the field of mechanics. In Greek Mythology the god Hephaestus (Iliad, XVIII, vv. 519—525) built some “automata” (today we could call them androids) that helped him in his smithy. Another legend t作者: lipoatrophy 時(shí)間: 2025-3-29 12:17
https://doi.org/10.1007/978-3-030-37896-7Cloth is among the most important and most useful objects of common use by mankind; also, the development of cloth is a milestone in the history of human civilization since it can be considered a first step towards technology.作者: GUISE 時(shí)間: 2025-3-29 18:32
Studying the Weather from the InsideThis last chapter is dedicated to the building techniques and criteria that were adopted during a period of time ranging from the prehistoric age to the Roman era..The examples reported in this chapter mainly (but not only) pertain to archaeological finds in Italy but are, in most cases, of general interest.作者: 演講 時(shí)間: 2025-3-29 20:39
Spinning and WeavingCloth is among the most important and most useful objects of common use by mankind; also, the development of cloth is a milestone in the history of human civilization since it can be considered a first step towards technology.作者: chemical-peel 時(shí)間: 2025-3-30 02:07
Considerations on Some Ancient Building TechniquesThis last chapter is dedicated to the building techniques and criteria that were adopted during a period of time ranging from the prehistoric age to the Roman era..The examples reported in this chapter mainly (but not only) pertain to archaeological finds in Italy but are, in most cases, of general interest.作者: lobster 時(shí)間: 2025-3-30 07:01
Cesare Rossi,Flavio Russo,Ferruccio RussoCan be considered a novelty in the area of History of Science and Technology, since it addresses attention to technical contents in the historical developments of Mechanism Design in Antiquity.In addi作者: 使尷尬 時(shí)間: 2025-3-30 10:23 作者: Dungeon 時(shí)間: 2025-3-30 15:42 作者: AGOG 時(shí)間: 2025-3-30 18:11 作者: Metastasis 時(shí)間: 2025-3-30 20:55 作者: 鎮(zhèn)痛劑 時(shí)間: 2025-3-31 03:20 作者: Suppository 時(shí)間: 2025-3-31 08:12 作者: 絕食 時(shí)間: 2025-3-31 09:38
Methodisches Vorgehen: Diskursanalyse,e, the length of an hour varied in a range of approximately 50%, or 30 min in the course of 6 months, coinciding with our duration only on 2 days of the year: on March 21, the spring equinox and on September 21, the autumn equinox.作者: 出價(jià) 時(shí)間: 2025-3-31 16:45 作者: inflame 時(shí)間: 2025-3-31 18:38 作者: figure 時(shí)間: 2025-4-1 00:25
,Seeing through Pamela’s Clothes, to be channelled to the fields. This resulted in a sedentary society in which survival depended on technical abilities connected with irrigation and then with the planning of permanent settlements. From those remote days city and water became closely connected, one not being possible without an abu
