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At this point Einstein brings into play the first screen as well and argues as follows: since the incident particles have velocities ( practically ) perpendicular to the screen S < sub > 1 </ sub >, and since it is only the interaction with this screen that can cause a deflection from the original direction of propagation, by the law of conservation of impulse which implies that the sum of the impulses of two systems which interact is conserved, if the incident particle is deviated toward the top, the screen will recoil toward the bottom and vice-versa.
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At and point
At that point we reach the `` closed '' historical situation: the situation in which man is no longer free to return to a status quo ante.
At that point men become aware of the mystery of history called variously `` fate '', or `` destiny '', or `` providence '', and feel themselves caught helplessly in the writhing of a disrupted society.
At this point Mrs. Frances Cupply, one of Wright's handsome daughters by his first wife, came from the house and tried to calm Miriam as she tore down a no visitors sign and smashed the glass pane on another sign with a rock.
At this point a working definition of idea is in order, although our first definition will have to be qualified somewhat as we proceed.
At this point, of course, the issue has become complicated by a development unforeseen by Lappenberg and Kemble.
At that point the Administration will have little reason to hang onto Gen. Swing.
At 2130 hours they had passed through the barbed wire at the point of departure.
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At this point the drains are readjusted so that the suds box drain will discharge directly into the waste line and the main tub drain is set at the 2-1/2 mark on the drain gauge.
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At this point you cross the wide Corso Vittorio Emanuele 2,, walk along the Corso Del Rinascimento a couple of hundred yards, then turn left on the Via Dei Canestrani to enter the splendid Piazza Navona, one of the truly glorious sights in Rome.
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At that point William came into the picture.
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In the list of popes given in the Holy See's annual directory, Annuario Pontificio, the following note is attached to the name of Pope Leo VIII ( 963 – 965 ): At this point, as again in the mid-eleventh century, we come across elections in which problems of harmonising historical criteria and those of theology and canon law make it impossible to decide clearly which side possessed the legitimacy whose factual existence guarantees the unbroken lawful succession of the successors of Saint Peter.
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At and Einstein
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* At low energies, the logic of the renormalization group tells us that, despite the unknown choices of these infinitely many parameters, quantum gravity will reduce to the usual Einstein theory of general relativity.
1987 also saw the band embark on another national tour, appearances on national television – including playing the final episode of Countdown and the lead single " At First Sight " making the Young Einstein soundtrack.
At Princeton, he went to lectures and seminars, where he heard Oswald Veblen, James Alexander, and Albert Einstein.
At the start of his derivation, he had postulated an expression for the momentum of a photon from equating Einstein's already established mass-energy relationship of to the quantized photon energies of which Einstein has separately postulated.
At one point Homer erroneously refers to Einstein as the inventor of the light bulb.
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At times, they quote historical, and in most cases dead academics to back up their arguments ; for instance prominent pseudoarchaeologist Graham Hancock, in his seminal Fingerprints of the Gods ( 1995 ), repeatedly notes that the eminent physicist Albert Einstein once remarked positively on the theory of Earth Crustal Displacement ( a theory that has been abandoned by the academic community but which Hancock has adopted ).
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At that time in the Soviet Union, the work of Albert Einstein was under attack by Communist Party philosophers ; being supposedly motivated by bourgeois values, it was " bourgeois science ", and should henceforth be banned.
At this point, Einstein turns to his celebrated relation between mass and energy of special relativity:.
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At age eleven he played a violin duet with Albert Einstein at a summer camp in Maine.
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