The 20 most-watched TEDx talks so far News X marks the spot: This week’s TEDxTalks Each week, TEDx chooses four of our favorite talks, highlighting just a few of the enlightening speakers from the TEDx community, and its diverse constellation of ideas worth spreading. Below, give this week’s talks a listen. Global Issues 4 TEDxTalks on how the world could end today (but, chances are, won’t) Well, it’s December 21st, 2012, in EST time zones and, if you’re reading this, the world has not ended. 10 Words You Might Think Came from Science (But Are Really From Science Fiction ) Well, I imagine the same could be said about a lot of these. Karel Čapek gave us "robot" in 1920, and from that point forward, I'd wager we would've hit "robotics" sooner or later with or without Asimov and those glorious mutton chops of his, unless someone more popular than Čapek jumped in and started popularizing a different term like "automata" or "androids" before "robotics" could really take off... off the top of my head... geneticulture (tangenting off horticulture, which has applied techniques of genetic manipulating on a macroscopic level) high space, far space (changing from the analogy of the ocean over to altitude aspects) and for the last probably something NASA tech-sounding, like G-less. I disagree with Gas Giant being reductionism. Androids are a specific class of robots. @Spaceknight I can see your point about Gas Giant not being reductionism. As for 'geneticulture' I'm not sure that it coveys the same usage as genetic engineering. As to G-less.
10 Right Ways to “Occupy” There is value in protest. But protest doesn’t always look like taking up residence in a tent city, standing on a street corner with scrawled signs. (Although, I admit it: I like that, too.) Yes, the Occupy Wall Street protests have ignited a much-needed discussion about our economic systems ... but now what? I am a simple living wannabe. As I wrote for RELEVANT recently, if there is a greater purpose to Occupy Wall Street, then perhaps it is this: A call to repentance and change for us all. Here are a few actions that I would like to hold up for your consideration and conversation as we seek to make economic choices that affirm our personhood in Christ and our countercultural values. 1. 2. 3. ... or buy handmade. 4. 5. 6. 7. 8. 9. 10. There are many of you much further along in this journey of redemptive economics, and we all look forward to your wisdom in the comment section below. Sarah Styles Bessey is a nonprofit marketing director, writer andsimple living/social justice wannabe.
10 TED talks about the beauty - and difficulty of being creative Top 10 Incredible Sound Illusions Weird Stuff Following the popularity of our optical illusions lists (20 Amazing Optical Illusions, and Another 10 Amazing Optical Illusions), we have put together an amazing array of sound illusions (auditory illusions). In these illusions, your mind is tricked in to thinking it is hearing something when, in fact, it is not. This illusion was discovered by Diana Deutsch, and is an example of our brains “grouping” similar notes together. There are several ways in which people perceive these sounds, but the most common is to group the high and low notes together. NOTE: Listen through stereo headphones, or stereo separated loudspeakers, best placed some distance apart. Some pieces of music consist of high-speed arpeggios or other repeating patterns, which change only subtly. Compare these recordings of Christian Sinding’s Frühlingsrauschen (“Rustle of Spring”). Shepherds Ascending Tones This recording is subtle.
Hedge Analyst Modern portfolio theory Modern portfolio theory (MPT) is a theory of finance that attempts to maximize portfolio expected return for a given amount of portfolio risk, or equivalently minimize risk for a given level of expected return, by carefully choosing the proportions of various assets. Although MPT is widely used in practice in the financial industry and several of its creators won a Nobel memorial prize for the theory,[1] in recent years the basic assumptions of MPT have been widely challenged by fields such as behavioral economics. More technically, MPT models an asset's return as a normally distributed function (or more generally as an elliptically distributed random variable), defines risk as the standard deviation of return, and models a portfolio as a weighted combination of assets, so that the return of a portfolio is the weighted combination of the assets' returns. Concept[edit] History[edit] Mathematical model[edit] This section develops the "classic" MPT model. Risk and expected return[edit]
The Economics of Gold-Digging The following story is currently making the rounds on the Internet. The events probably didn’t happen exactly as described, but for my purposes it doesn’t really matter. Supposedly, a woman posted the following personal ad on Craigslist: What am I doing wrong? The response she got was as follows: Dear Pers-431649184:I read your posting with great interest and have thought meaningfully about your dilemma. I have to say that the respondent has some pretty sensible economics in his answer. I wouldn’t expect male economists to marry very well. Also, completely contrary to what an economic model might predict, I can’t think of any economist who left his wife in middle age for a younger “trophy” wife. So maybe economists aren’t such heartless, conniving people after all. (Hat tip: Meng Li.)
An Anticlassical Political-Economic Analysis: A Vision for the Next Century - Yasusuke Murakami, Kôzô Yamamura Modern liberalism in the United States Modern American liberalism combines social liberalism with support for social justice and a mixed economy. American liberal causes include voting rights for African Americans, abortion rights for women, same-sex marriage and government programs such as education and health care.[1] It has its roots in Theodore Roosevelt's New Nationalism, Woodrow Wilson's New Freedom, Franklin D. Roosevelt's New Deal, Harry S. Keynesian economic theory has played a central role in the economic philosophy of modern American liberals.[8] The argument has been that national prosperity requires government management of the macroeconomy, to keep unemployment low, inflation in check, and growth high.[8] John F. How voters identify themselves has been fairly stable over the last two decades. 21st century issues[edit] American versus European use of the term "liberalism"[edit] Demographics of American liberals[edit] Gallup Poll trends in ideological self-identification.[29] Early modern liberalism[edit]