Ombres mystérieuses (video)
On peut visualiser les courants de convection au-dessus d’une flamme car l’indice de réfraction de l’air varie avec la température.
La craie invisible (video)
La réflexion totale rend invisible un morceau de craie placé dans un tube à essais plongé dans l’eau.
L’œuf argenté (video)
Le phénomène de réflexion totale fait paraître argenté un œuf recouvert de noir de fumée lorsqu’il est plongé dans l’eau.
Une pièce de monnaie disparaît sous un verre (video)
Le phénomène de réflexion totale permet d’observer la disparition apparente d’une pièce de monnaie placée sous un verre d’eau.
Lanceurs spatiaux et problème de propulsion (audio)
Une conférence de L'UTLS au Lycée
avec Luc Vervisch
Lycée de la Côte d'Albâtre (76)
Demain, l’écriture (video)
Comment définir l’écriture aujourd’hui ? C’est à cette question que tente de répondre Clarisse Herrenschmidt en apportant des exemples explicites de la transformation majeure de l’écriture et des signes dans les 20 dernières années avec l’émergence des nouvelles technologies et l’usage de plus en plus diffus de l’ordinateur.
Cette révolution graphique se traduit par la transformation de l’écriture en information: à un caractère ou une police correspond
Demain, l’écriture (audio)
Comment définir l’écriture aujourd’hui ? C’est à cette question que tente de répondre Clarisse Herrenschmidt en apportant des exemples explicites de la transformation majeure de l’écriture et des signes dans les 20 dernières années avec l’émergence des nouvelles technologies et l’usage de plus en plus diffus de l’ordinateur.
Cette révolution graphique se traduit par la transformation de l’écriture en information: à un caractère ou une police correspond
The Role of Europe in a Multilateral World - November 19, 2009
In his lecture, “The Role of Europe in a Multilateral World,” Romano Prodi will examine the benefits and challenges presented by the European Union’s expansion. Although the enlargement of the union has had significant impact on the democratic transition in eastern Europe and has extended European markets, there is no unanimity on issues of security, energy, and foreign affairs. Prodi maintains that if the EU aims to play a key role on the world’s political stage, it will need to develop
Is an Eclipse Described in Homer's Odyssey? – November 30, 2009
Plutarch and Heraclitus believed that a certain passage in the 20th book of The Odyssey (“Theoclymenus’s prophecy”) was a poetic description of a total solar eclipse. In the late 1920s Schoch and Neugebauer computed that the solar eclipse of 16 April 1178 B.C.E. was total over the Ionian Islands and was the only suitable eclipse in more than a century to agree with classical estimates of the decade-earlier sack of Troy around 1192–1184 B.C.E. However, much skepticism remains about whethe
Is an Eclipse Described in Homer's Odyssey? – November 30, 2009
Plutarch and Heraclitus believed that a certain passage in the 20th book of The Odyssey (“Theoclymenus’s prophecy”) was a poetic description of a total solar eclipse. In the late 1920s Schoch and Neugebauer computed that the solar eclipse of 16 April 1178 B.C.E. was total over the Ionian Islands and was the only suitable eclipse in more than a century to agree with classical estimates of the decade-earlier sack of Troy around 1192–1184 B.C.E. However, much skepticism remains about whethe
America's War on Immigrants: Causes, Consequences, and Solutions - December 10, 2009
The President’s Lecture Series was established by President Shirley M. Tilghman in the fall of 2001 to give Princeton’s faculty an opportunity to learn about the work of their colleagues in other disciplines and to share their research with the University community. First proposed by Alan B. Krueger, the Lynn Bendheim Thoman, Class of 1976, and Robert Bendheim, Class of 1937, Professor in Economics and Public Policy, the lectures are presented three times a year and are open to the public.
Smart Art: Database Tools for Research and Curation - PDF - November 18, 2009
Lunch 'n Learn presentation: The Princeton University Art Museum, Educational Technologies Center, and the Broadcast Center have collaborated on a number of projects over the years. Just completed is a website to accompany the Museum’s exhibition, Gifts from the Ancestors: Ancient Ivories of Bering Strait. The website highlights the unique and compelling archaeological art primarily from the first millennia A.D. of the Bering Strait region.
For this and other projects, the museum and ETC have
Smart Art: Database Tools for Research and Curation - November 18, 2009
Lunch 'n Learn presentation: The Princeton University Art Museum, Educational Technologies Center, and the Broadcast Center have collaborated on a number of projects over the years. Just completed is a website to accompany the Museum’s exhibition, Gifts from the Ancestors: Ancient Ivories of Bering Strait. The website highlights the unique and compelling archaeological art primarily from the first millennia A.D. of the Bering Strait region.
For this and other projects, the museum and ETC have
The Mexican-American War
Timeline of the Mexican-American War. Not much depth or cause and effect, but good images.
The Spanish-American War
An eight minute video that tells the history of the war with the emphasis on the cause of the war, Yellow Journalism, and how propaganda essentially started the war.
The Spanish-American War
An eight minute video that tells the history of the war with the emphasis on the cause of the war, Yellow Journalism, and how propaganda essentially started the war.
Mountain Meadow Massacre
What are the historical roots and causes behind the Mountain Meadow Massacre? Polygamy, paranoia, and a violent theocracy in 19th-Century Utah.
This short synopsis of the events leading up to this tragedy is explained by Sandra Tanner and Scott Fancher, who are descendants of the perpetrators and victims, respectively.
In 1857, 120 unarmed members of a wagon train moving through southern Utah were attacked and slaughtered at the hands of Mormon militia. Violent descriptions.
A Brief Look at the History of Passover
This video explains the history of Passover and how it came to be as the Jews escaped the Egyptians. Good video and easy to follow. A word wall might be a good idea as many words are used that may need more explanation. 04:37 run time.
Handwriting Recognition
This video tutorial demonstrates how to use the handwriting recognition features of Notebook which convert block or cursive handwriting into text. (2:25)
Langsam gesprochene Nachrichten - 12.12.2010
Trainieren Sie Ihr Hörverstehen mit authentischen Materialien. Nutzen Sie die Nachrichten der Deutschen Welle vom Sonntag - als Text und als verständlich gesprochene Audio-Datei.STOCKHOLM: Knapp zwei Wochen vor Weihnachten ist die schwedische Hauptstadt offenbar nur knapp einem Terroranschlag entgangen. Die Sicherheitspolizei teilte mit, sie ermittele wegen eines "terroristischen Verbrechens". Von akuten zusätzlichen Bedrohungen für Schweden gehe man aber nicht aus, hieß es vor der Presse i
