• "Title yet to be decided", at Interdisciplinary History of Medicine, Medical History Museum, University of Copenhagen, 2 September 2004
• "STM Movies", at Imaging and Imagining, University of South Carolina, 3 March 2004
• "Lessons from the project History of Recent Science & Technology on the Web", in session on Teaching Research on the Web, History of Science Society Annual Meeting, Cambridge, MA, 21 November 2003
• "From theory to databases: the interaction between the Scanning Tunneling Microscope and physical theory, 1984-1988", in session on Nanopast and Nanofuture at 4S conference, Atlanta, Georgia, October 2003
• "Materials Research and the role of the state in international comparison" at Joint Atlantic Seminar in the History of the Physical Sciences meeting, Cambridge, Massachusetts, September 19-21, 2003
• "The essential tension in hrst", at conference "New Web of History", Dibner Institute/MIT, March 28-29, 2003
• "Nothing New Under the Sun? The Holy Grail of Atomic Resolution", given at conference on "Discovering the Nanoscale", University of South Carolina, 20-23 March 2003
• "X-ray and radium metrology before 1928: trust, accountability, and money", at REHSEIS, University of Paris VII, Paris, France, 17 December 2002
  
• "Future histories of science and technology", at Nobel Symposium on Science and Industry in the 20th Century, 21-23 November 2002
• "Commentary at session on Clearing mists and slaying dragons: border issues in the history of physics and its historiography, at the History of Science Society's annual meeting, Milwaukee, MI, 7-10 November 2002
• "Materials research textbooks in peripheral Europe", at STEP meeting, Aegina, Greece, 2-9 June 2002
• "The Identity of the Historian of Recent Science and Technology", at Technology and Self Evocative Lunches, Programme of Science, Technology, and Society, MIT, 13 May 2002
• "Compromises and opportunities: history of recent science and technology on the web", University of Wisconsin, Madison, 25 April 2002
• "Niels Ryberg Finsen, Nobel Prize winner in Medicine/Physiology, 1903", Kulturforum DanAustria, Vienna, 13 March 2002
  
• "Wissenschaftsgeschichte im Internet und Öffentlichkeit", Institute for Philosophy of Science and Social Studies of Science, University of Vienna, Austria, 13 March 2002
• "Knowledge in the Making: Collaborating on the History of Recent Science and Technology on the World Wide Web" (with Babak Ashrafi), Joint Seminar for the History of 20th-Century Science, Harvard University, 16 November 2001
• "Commodification of radium: science meets the market", Conference on "Commodifying Everything!", Hagley Museum, Delaware, 12-13 October 2001
• "http://hrst.mit.edu", SSRG, Department of Science, Technology, and Society, Cornell University, 24 September 2001
• "http://hrst.mit.edu", Departmental seminar, History of Science Department, Aarhus University, 13 September 2001
• "From titillation to routine: invisible radiation and money 1896-1910", History of Science Society Meeting, Vancouver, 4 November 2000 (expenses paid)
• Roundtable Discussion: "Making Encyclopedias in the History of Science: Mechanics, Benefits, Tribulations", 3 November 2000 (expenses paid)
• "Resources for STEP in the literature on travel", 2nd meeting of STEP (Science and Technology in the European Periphery), Lisbon, Portugal, 18 September 2000 (expenses paid)
• "X-rays and spiritualism, Berlin 1896", Scientists and Spiritualism Workshop, Dibner Institute, Cambridge, Massachusetts, 7 April 2000
• "Niels Ryberg Finsen and the Nobel Prize", Nobel Museum, Stockholm, Sweden, 10 February 2000 (all expenses paid)
• "Spiritualism and X-rays, early 1896", Workshop on Science and the Public in Berlin, c1900, Humboldt University, Berlin, Germany, 15 January 2000 (all expenses paid)
• "Energy in Rutherford's early thinking", Dibner Institute Seminar, Cambridge, Massachusetts, 14 December 1999
• "Biological, physical, technical standards: What do they have in common?", talk in session "On the importance of having standards", History of Science Society annual meeting, Pittsburgh, Pennsylvania, 5 November 1999
• "Comments on the Denmark and the Nobel Prize Project", Sandbjerg Gods, Denmark, 30 October, 1999 (all expenses paid)
• "Contrasting the Northern and Southern European Peripheries", Science and Technology in the European Peripheries Foundational Meeting, Barcelona, Spain, 1 June 1999 (all expenses paid)
• "X-rays and radioactivity: history of physics AND medicine. But how? (1896-1930)", History of Physics Group, Harvard University, Cambridge, Massachusetts, 19 February 1999
• "Who cared about radioactivity theory, 1896-1910?", Dibner Institute Seminar, Cambridge, Massachusetts, 17 November 1998
• "Chemistry vs. physics in early radioactivity", Seminar, Chemical Heritage Foundation, Philadelphia, Pennsylvania, May 1998
• "Policing values", Departmental Seminar in History and Sociology of Science, University of Pennsylvania, April 1998
• "Science and the military-fiscal 18th-century Scandinavian states", XXth International Congress of the History of Science: "Science Technology and Industry", University of Liège, Belgium, 21 July 1997
• "Signal and noise: Ernest Rutherford's instrumentation and early radioactivity", Radioactivity: History and Culture, 1896-1930, Institut Curie, Paris, France, 7-9 July 1997
• "Division of labour and radiology", Departmental Seminar, Philosophy Section of Department of Sociology, City University, London, UK, May 1997
• "Social history of medical technology", in session on SET in medicine - promise fulfilled? at set97 (Science, engineering, technology, 1997, a national celebration coordinated by the British Association for the Advancement of Science) at the Department of Trade and Industry, London, UK, 21 March 1997
• "Målning og skat i 1700-tallets Skandinavien", departmental seminar, Institute for the History of the Exact Sciences, Aarhus University, Denmark, 16 Dec 1996 (all expenses paid)
• "Establishing firm values for the purpose of taxation in 18th-century Scandinavia", seminar in the History Department, Copenhagen University, Denmark, 13 Dec 1996 (all expenses paid)
• "The borderline between man and machine: radiology in the age of Fordism", seminar at History Department of Roskilde University, Denmark, 12 Dec 1996 (all expenses paid)
• "Universal science and the good expert: Joseph Needham's history of science", with Bridie Andrews, at the History of Science Society annual meeting, Atlanta, Georgia, November 1996 (all expenses paid)
• "Center and Periphery in Europe", with Rhodri Hayward, at Crossing boundaries: Third British-North American Joint Meeting, Edinburgh, UK, July 1996
• "Metrology, scientific instruments and the state: the Scandinavian experience", at the European Social Science History Conference, De Leeuwenhorst, Netherlands, May 1996
• "Der Röntgenstrahlenstandard und der buchhalterische Vorteil präziser Werte", departmental seminar, Department for History of Science, University of Göttingen, Germany, April 1996 (all expenses paid)
• "X-rays and radioactivity in history", Max-Planck-Institut, Munich, Germany, December 1995 (all expenses paid)
• "X-rays between physics and medicine", Deutsches Museum, Munich, Germany, December 1995 (all expenses paid)
• "The Philosophy of the Production Line and of Physics in the Weimar Republic", Physics, Industry, Philosophy: 1900-1930, Cambridge Physics History Group, Cambridge University, UK, December 1995
• "The origins of exact x-ray dosage", British Association for the Advancement of Science annual meeting, University of Newcastle, UK, September 1995
• "Measurement in Scandinavia in the 17th and 18th centuries", Prometheus, Delphi, Greece, July 1995 (all expenses paid)
• "Strålningsterapi i mellankrigstiden", Idé- och lärdomshistoria, Royal Academy of Sciences, Stockholm, Sweden, April 1995 (all expenses paid)
• "Die PTR und der Standard der Röntgenstrahlenintensität", Emergence of Modern Physics, Technical University Berlin, Germany, March 1995 (all expenses paid)
• "Promotional videos from the Siemens Company", Video Seminar, Cambridge University, UK, February 1995
• "The strong arm of a law: radioactivity, work and money", History and Philosophy of Science Departmental Seminar, Cambridge University, UK, October 1994
• "The x-ray photograph as property", Wellcome Summer School in History of Medicine, Manchester University, UK, Summer 1994
• "Bodies-machines; science-art", History of Ideas and Learning Departmental Seminar, Uppsala University, April 1994 (all expenses paid)
• "The commodification of radiation", History of Science and Technology Departmental Seminar, The Royal Institute of Technology, Stockholm, April 1994 (all expenses paid)
• "X-ray stereoscopy and the flatness of photographs", 'Space' in the History of Science, University of Canterbury, UK, March 1994
• "Architecture and radiological Taylorism", History of Medicine Departmental Seminar, Manchester University, May 1993 (all expenses paid)
• "Equilibrium in radioactivity and economics", History and Philosophy of Science Departmental Seminar, Leeds University, UK, January 1993
• "Balancing the lab and the non-lab: Das Röntgenhaus", British-North American Joint Meeting - CSHPS-HSS-BSHS: "History of Laboratories and Laboratory Science", University of Toronto, Canada, July 1992 (all expenses paid)
• "Idiosyncrasy and precision x-ray dosage", History of Medicine Departmental Seminar, Cambridge University, April 1992
• "Early x-rays and tinkering", Writing the History of Physics, Cambridge University, UK, April 1991
• "Theory, practice, and consensus-making", Oxford-Cambridge History of Science Meeting, Oxford University, UK, March 1991 (all expenses paid)
• "X-ray dosage", History and Philosophy of Science Workshop, Cambridge University, UK, March 1990
  

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This page was last updated on 3 May 2004.