Pilt 1 Valgusreostus Mis on valgusreostus? • Liigne tehisvalgus • Kahjustab keskkonda • Tööstuspiirkonnad ja suurlinnad Valgusreostuse tüübid Pealetükkiv valgus (light trespass) Pilt 2 Ülevalgustus (over illumination) Pilt 3 Pimestav valgus (glare) Pilt 4 Valguse virvarr (light clutter) Pilt 5 Taevakuma (skyglow) Pilt 6 Probleem • Uute valgusallikate kasutuselevõtt • Tähistaevas muutub heledamaks • Ökosüsteemide kahjustamine • Terviseriskide suurendamine ja ebameeldivuste tekitamine inimestele Põhjused • Valgustusrežiimi vale valik • Vale valgusallikate konstruktsioon • Seotud looduslikke tingimustega Kuidas olukorda parandada? • Valguse suunamine • Tulede väljalülitamine • Looduslik valgus • Inimeste harjumuste muutmine ...
Look, where he goes, even now, out at the portal! Exit Ghost QUEEN GERTRUDE This the very coinage of your brain: This bodiless creation ecstasy Is very cunning in. HAMLET Ecstasy! My pulse, as yours, doth temperately keep time, And makes as healthful music: it is not madness That I have utter'd: bring me to the test, And I the matter will re-word; which madness Would gambol from. Mother, for love of grace, Lay not that mattering unction to your soul, That not your trespass, but my madness speaks: It will but skin and film the ulcerous place, Whilst rank corruption, mining all within, Infects unseen. Confess yourself to heaven; Repent what's past; avoid what is to come; And do not spread the compost on the weeds, To make them ranker. Forgive me this my virtue; For in the fatness of these pursy times Virtue itself of vice must pardon beg, Yea, curb and woo for leave to do him good. QUEEN GERTRUDE 124
home; neither did the apothecary, who arrived about the same time, think it at all advisable. After sitting a little while with Jane, on Miss Bingley's appearance and invitation, the mother and three daughters all attended her into the breakfast parlour. Bingley met them with hopes that Mrs. Bennet had not found Miss Bennet worse than she expected. "Indeed I have, sir," was her answer. "She is a great deal too ill to be moved. Mr. Jones says we must not think of moving her. We must trespass a little longer on your kindness." "Removed!" cried Bingley. "It must not be thought of. My sister, I am sure, will not hear of her removal." "You may depend upon it, Madam," said Miss Bingley, with cold civility, "that Miss Bennet will receive every possible attention while she remains with us." Mrs. Bennet was profuse in her acknowledgments. "I am sure," she added, "if it was not for such good friends I do not know what would
And that is their position in the ultimate scheme of things. Even when the ends that they serve are purely defensive in regard to other nations, there exists a difference in morality between the means of cryptanalysis and such means as armies and navies. The latter are honest and above-board, open deterrents to aggression; they are like strong men armed. Cryptanalysis is itself an aggression— often a preventive one, to be sure—but still an aggression, a trespass. Moreover, it is surreptitious, snooping, sneaking; it makes its government hypocritical. It is the very opposite of all that is best in mankind. It shatters the highest ethical precept: to do unto others as we would have others do unto us. Is it, then, ever morally justified? It is. A single act can be both moral and immoral, depending on circumstances. Killing is permissible in self- defense. So is cryptanalysis. In war, of course, cryptanalysis can look like
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