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Showing posts with the label cosmology

Online Courses: (Often) Free and Just Awesome!

“Education is the kindling of a flame, not the filling of a vessel.” -Socrates.  [UPDATED Mar. 2021] Acquiring knowledge has been a hobby of mine since 4th grade, so it's no surprise that I'm the proverbial "kid in the candy store" when it comes to online courses!   As of writing, I have followed over 20 so far, and trying to decide what the next one will be... Utopia or Dystopia? You ever find yourself imagining the future, and wondering whether it'll turn out to be “utopian” or “dystopian”? Well, the state of higher education in the United States is decisively dystopian , with its absurdly ballooned costs and runaway student loans (a “bubble” that may burst sooner or later, mark my words!),  BUT there’s a counterpoint that is decisively utopian , namely the explosive rise of free online courses 😊 Here’s a brief 2012 Ted talk about the rise of free online courses , dated but still of interest. The gist of that TED talk is that online learning has com...

Online Course Review: "Mysteries of Time" (prof. Sean Carroll, from "The Great Courses")

What is Time?  And why does it seem to "flow" in just one direction ("arrow of time")? Few questions could be more spellbinding - and almost intractable - than that! In this blog, I'll periodically include detailed reviews of some online courses I've taken. REVIEW OF ONLINE COURSE " Mystery of Time " (course by Cal Tech prof. Sean Carroll, produced by "The Great Courses" in 2012) Another fascinating course by Sean Carroll!  He's very ambitious to not only tackle the Universe - and the difficult abstract concept of Time's Arrow (direction) - but also to make it accessible (sort of) to a (serious and determined) lay audience. Speaking of "layperson", even though that's the intended audience, I'd only recommend this course to people who are used to, at the VERY least, watching (and enjoying!) documentaries on topics such as quantum mechanics and relativity. Let's face it: to seriously tackle...