What Is Time? Theoretical Physicist Sean Carroll Explains Time's Arrow. Here. There. Everywhere. Pillars of ErosionPosted on September 27, 2013 This video (2 min, 53 sec) demonstrates how we can see erosion around us in our day-to-day experiences, on larger scales on Earth, and on a cosmic scale in interstellar space.
Learn more about the pillars of erosion. Download SD (480p) | HD (720p) The Flow of Electric ChargePosted on May 22, 2013. Curiosity: Sun Storm. TOP 10 REASONS Why We Know the Earth is Round. The Universe - Brian Cox Lecture.