Tag «nuclear»

PBS NewsHour full episode, Jan 21, 2020

PBS NewsHour full episode, Jan 21, 2020

JUDY WOODRUFF: Good evening. I’m Judy Woodruff. On the “NewsHour” tonight: REP. ADAM SCHIFF (D-CA): The most important question is the question you must answer today. Will the president and the American people get a fair trial? JUDY WOODRUFF: The impeachment trial of President Trump: abuse of power and obstruction of Congress. The Senate opens …

Obama defends sanctions imposed on Russia

Obama defends sanctions imposed on Russia

U.S. President Barack Obama has urged President-elect Donald Trump to keep separate the issue of economic sanctions on Russia from the pursuit of talks to reduce nuclear stockpiles. In his final press conference as president on Wednesday, Obama defended the sanctions imposed on Moscow over its incursion into Ukraine and annexation of Crimea. He noted …

History of nuclear power

History of nuclear power

We begin in 1896. In Paris, physicist Henri Becquerel accidentally discovers during an experiment that uranium leaves a trace — or darkens — a photographic plate without any other light source. He concludes that uranium naturally emits a ray he calls “uranique” in French. In the following years, physicists Pierre and Marie Curie discover other …

The Cold War: Crash Course US History #37

The Cold War: Crash Course US History #37

Hi I’m John Green; this is Crash Course U.S. history and today we’re gonna talk about the Cold War. The Cold War is called “Cold” because it supposedly never heated up into actual armed conflict, which means, you know, that it wasn’t a war. Mr. Green, Mr. Green, but if the War on Christmas is …