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Computer program ‘evolves’ music from noise Evolutionary processes in DarwinTunes. Songs are represented as tree-like structures of code. Each generation starts with 100 songs; however, for clarity, it only follows one-fifth of them. Twenty songs are randomly presented to listeners for rating, and the remaining 80 survive until the next generation; thus, at any time, the population contains songs of varying age. Of the 20 rated songs, the 10 best reproduce and the 10 worst die. Reproductives are paired and produce four progeny to replace themselves and the dead in the next generation. Pedestrian Monitoring System Sunday 30 September 2012 Trend over last 3 hours Note: If a sensor returns a series of zero readings it may be temporally inoperable
Tweets vs. Likes: What gets shared on Twitter vs. Facebook? It always strikes me as curious that some posts get a lot of love on Twitter, while others get many more shares on Facebook: What accounts for this difference? Some of it is surely site-dependent: maybe one blogger has a Facebook page but not a Twitter account, while another has these roles reversed. But even on sites maintained by a single author, tweet-to-likes ratios can vary widely from post to post.
Olympic athletes Turn autoplay off Edition: <span><a href=" Sign in Beta About us Today's paper biologist and computer scientist discover the 'anternet' A collaboration between a Stanford ant biologist and a computer scientist has revealed that the behavior of harvester ants as they forage for food mirrors the protocols that control traffic on the Internet. On the surface, ants and the Internet don't seem to have much in common. But two Stanford researchers have discovered that a species of harvester ants determine how many foragers to send out of the nest in much the same way that Internet protocols discover how much bandwidth is available for the transfer of data. The researchers are calling it the "anternet." Deborah Gordon, a biology professor at Stanford, has been studying ants for more than 20 years.
Websites need… Posted: February 21st, 2012 I created a successful mind map several years ago which I would show to clients in meetings to help them understand ‘SEO’ better. It was also shown at many search conferences all over the world, with entire seminars built around it. So, I came up with the following SEO data visualisation – an update to my previous work – which is an interactive way to show many facets required to create a successful website. Click text on the mind map to travel around and view information: Maybe some subject-matter experts in each discipline will think that there are omissions, but I have tried to keep it simple so that relative beginners, non-SEOs and non-techies can understand it – this is not the time and place to show everyone here that I am clever (the biggest mistake that 99% of SEOs make) – I just want to share and help people.
Brain Workshop - a Dual N-Back game Introduction - Download - Tutorial - Details & Options - Donate Dual N-Back exercise featured in Brain Workshop was the subject of an April 2008 peer-reviewed scientific study which shows that practicing the Dual N-Back task for 20 minutes 4-5 days per week will improve your working memory (short term memory) and fluid intelligence. This Wired article has a good summary of its benefits. If you've never tried Dual N-Back before, here's a quick tutorial to get you started. Dual 1-Back It's best to begin with Dual 1-Back, the simplest mode.
Women as Academic Authors 1665-1970321,368 authors 1971-1990609,635 authors 1991-20101.1 million authors All years2.0 million authors Anthropology 27.2% female authors(45,099 authors) 32 subfields Classical studies 19.6% female authors(21,069 authors)
Teach a Kid to Argue - Figures of Speech Why would any sane parent teach his kids to talk back? Because, this father found, it actually increased family harmony. (First published in Disney’s Wondertime Magazine. The article was nominated for a 2007 National Magazine Award.) Those of you who don’t have perfect children will find this familiar: Just as I was withdrawing money in a bank lobby, my 5-year-old daughter chose to throw a temper tantrum, screaming and writhing on the floor while a couple of elderly ladies looked on in disgust. (Their children, apparently, had been perfect.) Carbon map How can you map the world to show global data in an immediately clear way? How can you show two datasets at once to see how they compare? Kiln, a partnership of Guardian writer Duncan Clark and developer Robin Houston has come up with this beautiful new take on the globe.
Amazing optical illusion or "glitch in the Matrix"? - The Feed Blog (CBS News) Watching this video is a bit like seeing a "glitch in the Matrix". Is it impressive? Without a doubt. Is it science? You know it. Visualizing 50 years of The Rolling Stones An interactive map of their live-show story. British tour The Rolling Stones 1963 British Tour was the first Rolling Stones concert tour. The tour commenced on September 29 and concluded on November 3, 1963.