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HARRISONS 'H4' HOLOGRAMS: Stopping Time

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check and a few of them that is and as I suggest to you that the people of all of the think welcome everybody this very special events this is going to be a rather unusual told because it's not
going to be the delivery of the uh well written in the 5 executable conference it's going to be a bit more of the a slide show which explores reasoning the knowledge most of those things where just at my door kind of graphics myself included the Harrison block and the role of the tree in Greenwich with the most incredible that assistance and Johnson that use here this this morning so here's a picture
of the the observatory show many of you know the place that the Harrison plot is actually displayed today and here is the
person of while the specificity is what what made it possible to study you need but it is 1 of the most accurate timepieces pieces of deduced it was a very unique and the use of technology which basically said not and the beginning of the global positioning and GPS as we know it's there so you the Harrison about has the unique significance within history and it was decided that a group meeting of world photographed society of the group that it would be an interesting recalled a whole graph and I think the original ideas that came from the line this probably responsible for many many good ideas I think just the teeniest and this is 1 and just best right there so we
start out doing here with we're obviously an restricted by the fact that it would probably through the impossible to take the floor from Greenwich so we decided on it was a good idea to actually recalled the clock in situ easier said than done and just I designs this problem unique frame we can see here that as been what we look at this photograph camera after much experimentation we will came up with this is we then tested the
design we decided it wasn't going to be shot using a helium-neon red instead we need something more to date and I managed to learning a hypothesis green diode laser from plastic based in Germany and you know on 25 years working places which in front of me not the this matched thoughts right my desk and that it will abusively infected is so strong and we have to be in a very careful when we were looking for its so this this is a photograph of the the frame and the the laser running estimate that we move on to the
data from so a picture of me just in in the middle that the philosophical about something among the source said issues because of my programming career and succeeded this come from and on the phone from inside we thing that Jonathan that's as the takes
the horizon document case and this is the time gallery in the museum and you can see it portrays from the back below analysts and so we had
transcended the plot from the gallery into the workshop where many of the everything is carried out only the instruments has just looking a bit sheepish again and corner using my doors played summary society economy 1 photographic plates and Johnson very carefully at resting fall within a frame finishing
touches and there is ready to
roll we begin our exposures
as Japan's might
making sure that the clock using touching that because that would train movements and we
have jumped that that because we were also involved with the natural birth socialism In the area of the house of the of the 6 shots to get this right we're working late into the nite and the only announced me about 2 2 o'clock in the morning and you got the final result so is a picture of just you know after processing not was still not sure of the government whites
examining the surface of the gelatine spatial it's not structural damage and
then In the drying process will probably around to see the whole most here there is and of
course in the laser light so it really is indistinguishable from the real thing a very good my so we for the
full really pieces that evening 2 of those pieces on detection of the for museum we use the ability to make copies because the idea is you to go to the object that we should use pockets and then at the end of this so we're going to the sentence in the museum with those of and
instruments enabling involves case again replacing
watch over time piece of optional and the details
there Harrison holding a the time and find jobs the
observatory so we all the nodes in historical events is 1 which which shouldn't happen really is essentially things going wrong and then only in the last slide everything you need get and we've got some amazing images so at this point the regiment and use of the there is a very for all the rest of society and in some way the goal of this gentleman but we commend societies like you can describe the so these are the 2 regression problem my useful or a suspension and the edge of the same relative the rest of this and you think of you you can see the in she has to do the this is you the this the only thing thing I that that what would what would be the end of the without
Metropolitan area network
Ereignishorizont
Computeranimation
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Metropolitan area network
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Landau-Theorie
Machsches Prinzip
Notepad-Computer
Plot <Graphische Darstellung>
p-Block
Computeranimation
Umwandlungsenthalpie
Rahmenproblem
Verbandstheorie
Graph
Digitale Photographie
Eindeutigkeit
Gruppenkeim
Gerade
Computeranimation
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Metropolitan area network
Rahmenproblem
Green-Funktion
Digitale Photographie
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Optimierung
Statistische Hypothese
Computeranimation
Bit
Rahmenproblem
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Plot <Graphische Darstellung>
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Computeranimation
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LASER <Mikrocomputer>
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Punkt
Prozess <Informatik>
Lineare Regression
Ereignishorizont
Bildgebendes Verfahren
Computeranimation

Metadaten

Formale Metadaten

Titel HARRISONS 'H4' HOLOGRAMS: Stopping Time
Serientitel Holography In The Modern Museum (HIMM 2008)
Teil 10
Anzahl der Teile 10
Autor Richardson, Martin
Lizenz CC-Namensnennung 3.0 Unported:
Sie dürfen das Werk bzw. den Inhalt zu jedem legalen Zweck nutzen, verändern und in unveränderter oder veränderter Form vervielfältigen, verbreiten und öffentlich zugänglich machen, sofern Sie den Namen des Autors/Rechteinhabers in der von ihm festgelegten Weise nennen.
DOI 10.5446/20942
Herausgeber River Valley TV
Erscheinungsjahr 2012
Sprache Englisch

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Fachgebiet Informatik
Abstract On the evening of 13th March 2008, between the hours of 6:00pm and 2:00am, five reflection holograms were recorded of John Harrison’s fourth timekeeper ‘H4’, at the Royal Observatory, National Maritime Museum in Greenwich, London. Arguably the most important timekeeper ever made this watch finally solved one of the greatest scientific problems of its time, that of finding Longitude and marked the beginning of accurate global positioning. In recent years public awareness of the watch has witnessed an unprecedented level of popularity, together with a string of authoritative writings including the release of Dava Sobels book, ‘Longitude’, with introduction by NASA astronaut Neil Armstrong, a filmed drama adaptation and even a television sitcom ‘Only Fools and Horses’ where viewing figures reached a record twenty–four million. The watch, its history and its place in history, remain subject of fascination and curiosity. Now its journey to hologram is traced in this paper through the events of that March evening.

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