Lecture on Climate Sensitivity by Professor Emeritus Richard Lindzen

Lecture on Climate Sensitivity by Atmospheric Scientist Professor Emeritus Richard Lindzen delivered in Europe in April, 2014. Prof Lindzen has been at the top of this field for decades, and was a lead author during the early years of the IPCC, until like many other experts, he resigned in disgust at the political nature of the summary reports.

Lockitch: Spacetime, Black Holes, and Gravitational Waves

The 2017 Nobel Prize in Physics was awarded for the first-ever detection of gravitational waves, confirming a 100-year-old prediction of Einstein’s. The discovery, announced in 2015, launched a new era of gravitational wave astronomy, but also raises challenging philosophical questions about the nature of space, time and gravity. What are gravitational waves and how are they being used to study the universe? And is there an inherent conflict between General Relativity and key metaphysical principles?

Video: Tour of the Moon in 4K

Take a virtual tour of the Moon in all-new 4K resolution, thanks to data provided by NASA’s Lunar Reconnaissance Orbiter spacecraft. As the visualization moves around the near side, far side, north and south poles, we highlight interesting features, sites, and information gathered on the lunar terrain.

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