UNT College of Arts and Sciences - 49 Matching Results

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open access

Rediscovery of the Elements: Phlogiston and Lavoisier

Description: Article describing the rise and fall of the eighteenth century idea of phlogiston. Tourist information is provided regarding pertinent areas of phlogiston's history.
Date: Spring 2005
Creator: Marshall, James L., 1940- & Marshall, Virginia R.
open access

Rediscovery of the Elements: Phosphoro di Bologna

Description: Article recounting a visit to sites related to the discovery of phosphorescent stone (barium sulfide) in Bologna, Italy. Maps with driving directions are included.
Date: Summer 2002
Creator: Marshall, James L., 1940- & Marshall, Virginia R.
open access

Rediscovery of the Elements: Rhenium and Technetium

Description: Article describing the discovery of rhenium and technetium by Walter Karl Friedrich Noddack and Ida Eva Noddack-Tacke. Information regarding pertinent locations is included.
Date: Winter 2013
Creator: Marshall, James L., 1940- & Marshall, Virginia R.
open access

Rediscovery of the Elements: Riddarhyttan, Sweden

Description: Article describing the authors' tour through Riddarhyttan, Sweden, to visit the areas where cerium and cobalt were discovered. Maps and photographs of pertinent locations are located as well as a history of the area and the elements discovered there.
Date: Spring 2003
Creator: Marshall, James L., 1940- & Marshall, Virginia R.
open access

Rediscovery of the Elements: Ruthenium

Description: Article describing the discovery of platinum in Russia and the history of ruthenium. Tourist information regarding sites pertinent to this history are included.
Date: Summer 2009
Creator: Marshall, James L., 1940- & Marshall, Virginia R.
open access

Rediscovery of the Elements: Rutherford and Radon

Description: Article describing the history of the discovery of radon. Tourist information is included for areas significant to radon and its discoverers.
Date: Summer 2010
Creator: Marshall, James L., 1940- & Marshall, Virginia R.
open access

Rediscovery of the Elements: Sir Humphry Davy and the Alkalis

Description: Article provides information on the history of alkalis, particularly discoveries associated with potassium and sodium. The article also gives information on Humphry Davy, the first person to prepare alkalis in elemental form.
Date: Summer 2015
Creator: Marshall, James L., 1940- & Marshall, Virginia R.
open access

Rediscovery of the Elements: Soddy and Isotopes

Description: Article describing Frederick Soddy's career and research of isotopes. Tourist information is included for areas significant to Soddy's life and work.
Date: Winter 2010
Creator: Marshall, James L., 1940- & Marshall, Virginia R.
open access

Rediscovery of the Elements: Strontium

Description: Article describing the history of the element strontium from its discovery in Strontian, Scotland, to its early uses in English medicine. Maps with directions and photographs of pertinent locations are included.
Date: Autumn 2002
Creator: Marshall, James L., 1940- & Marshall, Virginia R.
open access

Rediscovery of the Elements: Tellurium and Fata Baii (Fascebanya), Romania.

Description: Article describing the discovery of the element tellurium. The authors travel through Romania to visit the Transylvanian mine where tellurium was discovered. They also visit the Brukenthal Museum of Sibiu and describe the museum's mineral collection.
Date: Autumn 2000
Creator: Marshall, James L., 1940- & Marshall, Virginia R.
open access

Rediscovery of the Elements: Thallium, Crookes, and Lamy

Description: Article describing the nearly simultaneous discovery of thallium by William Crookes and Claude-August Lamy. Tourist information is included for areas in London, England, and Lille, France, that are significant to the lives of these two men.
Date: Winter 2011
Creator: Marshall, James L., 1940- & Marshall, Virginia R.
open access

Rediscovery of the Elements: The Curious Case of Vestium

Description: Article describing Jedrzej Sniadecki's career and his flawed findings regarding vestium. Tourist information is included for areas significant to Sniadecki's life and work.
Date: Summer 2011
Creator: Marshall, James L., 1940- & Marshall, Virginia R.
open access

Rediscovery of the Elements: The Harz Mountains and Göttingen

Description: Article describing the importance of the Harz Mountains and the University of Göttingen in the discovery of cadmium and thallium. Tourist information regarding the area is included.
Date: Spring 2012
Creator: Marshall, James L., 1940- & Marshall, Virginia R.
open access

Rediscovery of the Elements: The Noble Gases--Rayleigh and Ramsay

Description: Article describing the discovery of argon, helium, and other inert gases by Lord Rayleigh, Sir William Ramsay, and other collaborators. Ramsay also characterized the noble gases and classified them within the structure of the Periodic Table of Elements.
Date: Autumn 2012
Creator: Marshall, James L., 1940- & Marshall, Virginia R.
open access

Rediscovery of the Elements: The Periodic Table

Description: Article recounting the history of the development of the Periodic Table. Sites pertinent to this development were visited by the authors, who provide related tourist information.
Date: Summer 2007
Creator: Marshall, James L., 1940- & Marshall, Virginia R.
open access

Rediscovery of the Elements: The Platinum Metals

Description: Article describing the history of the platinum metals, from its discovery in the New World and subsequent experiments in Europe. Tourist information is provided regarding areas pertinent to the history of platinum.
Date: Spring 2009
Creator: Marshall, James L., 1940- & Marshall, Virginia R.
open access

Rediscovery of the Elements: The Rare Earths - The Beginnings

Description: This article explores the rare earths, the chemically similar elements that occupy the f-block of the Periodic Table and the Group III chemical family. The articles shows the locations that certain rare earths were originally found. It also gives details on where the elements can be found currently, as well as major production areas. The cover of the Fall 2015 Hexagon journal (Vol. 106, Issue 3) features the Mountain Pass rare earth ore body in Southern California, which is mentioned in the ar… more
Date: Autumn 2015
Creator: Marshall, James L., 1940- & Marshall, Virginia R.
open access

Rediscovery of the Elements: The Rare Earths - The Confusing Years

Description: This article gives a timeline of research conducted on the rare earths, 17 elements found in the f-block and Group III chemical family of the Periodic Table. It covers discoveries made after the success of Swedish chemist, Carl Gustaf Mosander. The article describes the categorization of the rare earths that took place after Mosander's time, as well as separation techniques that developed.
Date: Winter 2015
Creator: Marshall, James L., 1940- & Marshall, Virginia R.
open access

Rediscovery of the Elements: The Road to Karlsruhe

Description: Article describing the history of atomic weight and the events leading up to the Karlsruhe Congress of chemists. The authors visited several sites pertinent to these events and offer tourist information.
Date: Spring 2007
Creator: Marshall, James L., 1940- & Marshall, Virginia R.
open access

Rediscovery of the Elements: The Second Discovery of Vanadium

Description: Article describing how vanadium was "rediscovered" in Sweden and found to be identical to del Rio's sample. Includes tourist information regarding areas relevant to this portion of vanadium's history.
Date: Autumn 2004
Creator: Marshall, James L., 1940- & Marshall, Virginia R.
open access

Rediscovery of the Elements: The Undiscovery of Vanadium

Description: Article describing the how the original vanadium sample was misanalysed and identified as chromium. Includes tourist information regarding Paris, France.
Date: Summer 2004
Creator: Marshall, James L., 1940- & Marshall, Virginia R.
open access

Rediscovery of the Elements: Thorium

Description: Article recounting the discovery of the element Thorium in Norway by Hans Morten Thrane Esmark. Maps and tourist information regarding the area are provided.
Date: Winter 2001
Creator: Marshall, James L., 1940- & Marshall, Virginia R.
open access

Rediscovery of the Elements: Titanium, Manaccan, Cornwall, England

Description: Article wherein James and Virginia Marshall visit Manaccan, England, to explore the site where titanium was first discovered. The area is described, as well as the man who discovered titanium, Reverend William Gregor.
Date: Spring 2001
Creator: Marshall, James L., 1940- & Marshall, Virginia R.
open access

Rediscovery of the Elements: Vanadium

Description: Article describing the discovery of Vanadium and tracing the footsteps of the discoverers.
Date: Winter 2003
Creator: Marshall, James L., 1940- & Marshall, Virginia R.
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