the age of electricity

Ngày tải lên: 14/08/2013, 14:51

... In order to safeguard the reliable operation of the steering gear, two motors are to be provided, with any one of them in service and the other in the state of stand-by. The hand steering system ... voyage. When the main power station breaks down, the power supply of the emergency lighting to be received from the emergency generating set through the emergency lighting circuit. Whereas the ... automatically if the main network or emergency network fails, or the voltage drops to 40 % of the rated value. On the contrary, the circuit will be open automatically as well when the main network...

Ngày tải lên: 24/10/2013, 01:15

... called the Age of Information, but in another light it can be called the Age of Distraction. While humanity has never been free of distraction — from swatting those bothersome gnats around the ... In front of us is the computer, with email notications and other notications of all kinds. Then there’s the addicting lure of the browser, which contains not only an endless amount of reading ... because you’re no longer at the mercy of the requests of others. What’s the best use of your time? What tasks will have the most impact on your life and work, rather than just seeming urgent...

Ngày tải lên: 05/01/2014, 15:25

... solution of sal-ammoniac. The oxide of manganese relieves the carbon plate of its hydrogen. The strength of the solution is maintained by spare crystals of sal-ammoniac lying on the bottom of the ... article of trade with the Phoenicians, those early merchants of the Mediterranean. The attractive power might enhance the value of the gem in the eyes of the superstitious ancients, but they ... each other. It follows that the magnetic pole of the compass needle which turns to the north must be unlike the north and like the south magnetic pole of the earth. Instead of calling it the...

Ngày tải lên: 17/02/2014, 01:20

... day write. They include the epic of the coal in the Pennsylvania hills, the epic of the ore, the epic of the railroad, the epic of the great city; and, in general, the subjugation of a continental ... PIONEERS OF THE MACHINE SHOP IX. THE FATHERS OF ELECTRICITY X. THE CONQUEST OF THE AIR BIBLIOGRAPHICAL NOTE THE AGE OF INVENTION The Legal Small Print 6 hand. The owners of the mills are particularly ... Even in the early days before machinery, division of labor was the rule in the shops of Massachusetts. One workman cut the leather, often tanned on the premises; another sewed the uppers together,...

Ngày tải lên: 18/02/2014, 08:20

... sense of humour: the information฀demands฀in฀genomics฀are฀staggering. The genome฀contains฀ two฀kinds of digital฀information,฀one฀that฀encodes the protein฀and฀RNA฀‘molecular฀ machines of life’,฀and the other฀being the regulatory฀networks฀that฀specify฀how฀these฀ genes฀are฀expressed฀in฀time,฀space฀and฀amplitude.฀ DNA฀information฀is฀layered฀and฀arranged฀in฀a฀hierarchy,฀starting฀with the gene,฀ then฀ the RNA,฀ then฀ the protein,฀ then฀ the protein฀ interactions,฀ then฀ the protein฀ complexes,฀then the networks of protein฀complexes฀ in฀a฀ cell,฀then฀ the tissues฀ and฀ organs,฀then the individual฀organism,฀followed฀by฀populations฀and the ecosystems฀in฀ which฀they฀live.฀In฀this฀kind of discovery฀science,฀mastering฀such฀vast฀quantities of information฀to฀answer฀important฀questions฀is฀a฀skill฀and฀an฀art. And the hardware? The first฀automated฀sequencing฀machine฀took฀a฀day,฀in฀1986,฀ to฀sequence฀250 of the three฀billion฀base฀pairs.฀It฀took the human฀genome฀project฀ ten฀years฀to฀sequence the human฀genome,฀two฀years฀shorter฀than฀predicted;฀and the private฀company฀Celera฀with฀its฀so-called฀shotgun฀approach฀took฀less฀than the public฀ consortium’s฀ ... was฀ preserved฀in฀Arabic฀manuscripts’฀(Lewontin฀1995:฀148). ฀There฀is฀no฀question฀that the libraries of Alexandria฀were฀central฀to the city฀and฀ the broad฀region฀including฀what฀today฀is the Middle-East,฀North฀Africa฀and฀much of Central฀and฀Western฀Europe;฀that฀they฀were฀not the only฀ones฀to฀exist฀but฀were฀part฀ of a฀larger฀set of institutions฀to฀emerge฀from the concatenations of cultural,฀scholarly฀ and฀other฀areas of learning฀and฀application of what฀were฀then the advanced฀societies฀ of this฀part of the world. The agency of their฀ruin฀is฀not฀so฀certain,฀neither฀is฀it฀clear฀what฀it฀was฀in฀volume฀ and฀substance฀ ... Or,฀ perhaps,฀it฀related฀to฀trading฀with฀neighbours,฀or,฀more฀on฀a฀deeply฀existential฀level,฀ observing the astronomical,฀with,฀as฀Georges฀Ifrah฀puts฀it฀so฀beautifully฀in the Universal฀ history of numbers,฀a฀fascination฀with the regularity of the phases of the moon, the eternal฀ return of day฀and฀night, the cycle of the seasons’฀or,฀we฀might฀add,฀given the context, the elliptical฀phases of the tides of great฀and฀marvellous฀oceans฀(Ifrah฀2000:฀xvi). In the history of counting, the San฀and฀Khoi฀perhaps฀joined฀other฀human฀beings฀and,฀ in฀observing฀that฀birds฀have฀two฀wings,฀animals฀four฀legs,฀and฀they฀ten฀fingers฀to฀their฀ hands฀and฀ten฀toes฀to฀their฀feet,฀developed฀a฀numbering฀system฀using฀their฀fingers฀or฀toes฀ as the base฀ten, the most฀common฀type of counting฀found฀among฀earlier฀peoples.฀ Or฀perhaps฀they฀joined the Mayans,฀Aztecs,฀Celts฀and฀Basques฀who฀looked฀down฀ at฀their฀feet฀and฀realised฀that฀their฀toes฀could฀be฀counted฀like฀fingers฀and฀chose the much฀more฀unusual฀arithmetic฀base of 20. SCI...

Ngày tải lên: 06/03/2014, 04:20

... product. The oil regions regarded these advantages as giving them the right to dominate the growing industry, and they had frequently proclaimed the doctrine that the business belonged to them. They ... prevalent at the time, the man who shipped the largest quantities of oil should get the lowest rate. The purchase of the Cleveland refineries made the Standard Oil group the largest shippers and therefore ... left the production of crude oil in the hands of the private drillers, but practically every other branch of the business passed ultimately into their hands. Both the New York Central and the...

Ngày tải lên: 06/03/2014, 23:21

... but upon the Evidence [there was] no contradiction. I directed the Jury from the Injustice of the Demand upon the State of it to find against the Plain- tiff,buttheyfoundforthewages,&thennamedthesum.Therecanbeno NewTrial.’’Further,inBruckshaw ... Lord M. I doubted whetherPlaintiff, havingbrokethe Condition oftheGift relative to the purchase of a Commission in the front Regiment [of] the Duke of Glosters, & having otherwise misbehaved, ... though thePlaintiffsaidheaccount[s]forthatfromtheSatisfactionofthe Defendant. One of the Witnesses was dead. The Plaintiff owned the other was alive, & remembered the transaction, but they trusted published...

Ngày tải lên: 07/03/2014, 03:20

... throughout the last two years of the War. So, too, feeding and supplying an army of millions of men laid the foundation of many of our greatest industries. The Northern soldiers in the early days of the ... held them, they reaped huge rewards from the leases which they had themselves decreed. Perhaps their most remarkable exploit was the lease of the West Division Railway Company of Chicago to the ... was the control of municipal politics. The story of the Metropolitan's manipulation of the New York street railways starts with one of the most sordid episodes in the municipal annals of...

Ngày tải lên: 08/03/2014, 15:20

... complaining of the practice of usury by priests, of the pomp of the cardinals and of the pope's habit of giving promises of preferment to certain sees and then declaring the places vacant on the ... was the foundation of lay brotherhoods, like that of the Common Life, with the purpose of cultivating a good character in the world, and of rendering social service. The number of these brotherhoods ... which the church acted. In four respects, particularly the ideals of the new age were incompatible with those of the Roman communion. [Sidenote: Sacramental theory of the church] The first of these...

Ngày tải lên: 08/03/2014, 15:20

Ngày tải lên: 09/03/2014, 12:20

... product. The oil regions regarded these advantages as giving them the right to dominate the growing industry, and they had frequently proclaimed the doctrine that the business belonged to them. They ... no record of his "silly paper" in their official minutes. Yet these two men, the American Kelly and the Englishman Bessemer, were the creators of modern steel. The records of the American ... held them, they reaped huge rewards from the leases which they had themselves decreed. Perhaps their most remarkable exploit was the lease of the West Division Railway Company of Chicago to the...

Ngày tải lên: 15/03/2014, 18:20

... house. The Glimes were lords of the important town of Bergen-op-Zoom, which, situated between the River Scheldt and the Meuse delta, was one of the links between the northern and the southern Netherlands. ... masters were of the brotherhood of the Common Life. One of them, Johannes Synthen, brought to his task a certain degree of understanding of classic antiquity in its purer form. Toward the end of Erasmus's ... belongs to the same best period of the author. Its subject is the central intellectual figure of the next generation after the period which Huizinga called the waning, or rather the autumn, of the Middle...

Ngày tải lên: 16/03/2014, 00:20

... in the EU directive that would generally place the burden of proof of the efficiency effects of any restraints of internet retailing on the manufacturers (regardless of the market share of the ... reduce the value of the product to the customer. 50. The “image” of a brand is therefore an integral part of the product, and determines the willingness to pay of consumers. Manufacturers of luxury ... This means the value of a specific purchase will often be related to how others view the product, and a deterioration of image even in the assessment of people who are not consumers of the product...

Ngày tải lên: 16/03/2014, 09:20

... largeness of thought, and a grasp of language in the prose of Hooker, of Jeremy Taylor, and of Milton which is beyond the reach of Dryden, but he has the merit of using a simple form of English ... goddesses therefore play a conspicuous part in his description of the Forest. The following lines afford a fair illustration of the style throughout, and the sole merit of the poem is the smoothness of ... craftsman of their age and school.'[1] The Age of Pope, by John Dennis 5 mingles with my friendly bowl, The feast of reason and the flow of soul, And he whose lightning pierced the Iberian...

Ngày tải lên: 17/03/2014, 13:20

Ngày tải lên: 17/03/2014, 20:20

Ngày tải lên: 17/03/2014, 21:33

Ngày tải lên: 21/03/2014, 21:59

Ngày tải lên: 23/03/2014, 12:20