The Power of Saying "I Don't Know"

11 cheap gifts guaranteed to impress science geeks Science comes up with a lot of awesome stuff, and you don't need a Ph.D, a secret lab, or government funding to get your hands on some of the coolest discoveries. We've got a list of 11 mostly affordable gifts that are guaranteed to blow your mind, whether or not you're a science geek. Click on any image to see it enlarged. 1. Also known as frozen smoke, Aerogel is the world's lowest density solid, clocking in at 96% air. Aerogel isn't just neat, it's useful. Price: $35 2. Inside these sealed glass balls live shrimp, algae, and bacteria, all swimming around in filtered seawater. EcoSpheres came out of research looking at ways to develop self-contained ecosystems for long duration space travel. Price: $80 3. NASA has been trying to figure out how to get a sample of rock back from Mars for a while now. Every once in a while, a meteorite smashes into Mars hard enough to eject some rocks out into orbit around the sun. Price: $70+ 4. Price: $150 5. So what's next year's new color going to be? 6.

Dream Big by Peter Fecteau “Dream Big” was a year-long project in which Pete created a mosaic of Dr. Martin Luther King Jr. using 4,242 Rubik’s Cubes. > petefecteau.com Improve Your Google Search Skills [Infographic] Don’t limit yourself to just plugging in simple search terms to Google; check out this infographic and learn a search string search or two. You don’t need to limit yourself to searching just for simple strings; Google supports all manner of handy search tricks. If you want to search just HowToGeek.com’s archive of XBMC articles, for example, you can plug in site:howtogeek.com XBMC to search our site. Get More Out of Google [HackCollege via Mashable] Jason Fitzpatrick is a warranty-voiding DIYer who spends his days cracking opening cases and wrestling with code so you don't have to.

14 Famous Old Photos Colorized We live in the modern technology time. You can easy find all kind of gadgets wherever you wants. Smart phones, digital cameras, tablet computers and much more. Problem Gambling Amazingly Creative Drawing Vs Photography This wonderful work has done by a very talented Belgian painter, illustrator, portraitist, caricaturist and photographer Ben Heine. This creative artist was born in Abidjan, Ivory Coast. He Studied graphic arts and sculpture and I also have a degree in journalism. Lets take a look at some of his awesome works that he calls “Drawing Vs Photography” or “Imagination Vs Reality”.

How to Disagree March 2008 The web is turning writing into a conversation. Twenty years ago, writers wrote and readers read. Many who respond to something disagree with it. The result is there's a lot more disagreeing going on, especially measured by the word. If we're all going to be disagreeing more, we should be careful to do it well. DH0. This is the lowest form of disagreement, and probably also the most common. u r a fag!!!!!!!!!! But it's important to realize that more articulate name-calling has just as little weight. The author is a self-important dilettante. is really nothing more than a pretentious version of "u r a fag." DH1. An ad hominem attack is not quite as weak as mere name-calling. Of course he would say that. This wouldn't refute the author's argument, but it may at least be relevant to the case. Saying that an author lacks the authority to write about a topic is a variant of ad hominem—and a particularly useless sort, because good ideas often come from outsiders. DH2. DH3. DH4. DH5.