Mandelbrot Set An exploration in pure mathematics. Introduction to Statistics A practicum for statistical analysis. Graphinity Online An online graphing resource written in JavaScript.
Finance Calculator An interactive JavaScript financial calculator. FFTExplorer A signal processing workshop, recently rewritten in Java. Equities Myths Things you should know about investing. Consumer Loan Calculator An interactive consumer-oriented loan evaluation tool. BiQuadDesigner A rewritten Java/JavaScript biquadratic filter designer. Binomial Probability An interactive exposition of a key probability method. Word Game My free, open-source, no-time-limit Wordle clone.Īrea of an Irregular Polygon An easy solution to a difficult problem. Unicode Character Search An easy-to-use Unicode character search page including emojis. Tracking the James Webb Space Telescope Learn how computers imitate nature. The Right to Choose The path to gender equality. The Physics Behind Stopping a Car Includes an explanation, equations, and a calculator - recently updated. The Best and Worst College Majors Choosing the right course of study. Rope Climbing 101 Ascending against gravity. Psychology and Neuroscience : Feedback Selected replies to my article "Psychology and Neuroscience". Psychology and Neuroscience On the transition from psychology to neuroscience. If I Were In Charge I can dream, can't I? Jokes A short list of my favorite jokes. I Dumped Insteon I realized it was time to face reality. How Does It Feel? An inquiry about intelligence. Home Assistant / Insteon Rescue How to configure Home Assistant and survive Insteon's collapse. Consumer Angst A somewhat tart analysis of consumerism. Anycubic Kobra Max: Be Careful A first-rate printer with a serious vulnerability.
3D Printing for Builders How to print in depth Alaska 2018 The article set for the 2018 Alaska expedition. Learn how many of history’s most fearsome beasts are actually based on real animals, and explore over 450 years of monster illustrations on Flickr.3D Particle Box A three-dimensional particle physics playground. They have all sorts of ghoulishly fun content on monsters this week. If you find this spider post too mundane for your Halloween holiday, you might wish to explore the beasties being highlighted by the Biodiversity Heritage Library, of which the Library of Congress is a member. To learn more about spiders and their webs, check out the Library’s Everyday Mystery “ How do Spiders Avoid Getting Tangled in their Webs”. In addition, spiders have moveable claws on their feet that grip and release the web’s threads as they walk. They will typically avoid walking on the sticky silk. Many spiders use webs to entangle their prey, but have you ever wondered how spiders themselves don’t get stuck? The short answer is that spiders are able to spin sticky and non-sticky silk. In nature there are many different types of web weaving spiders- there are the orb, funnel, sheet, and cob weavers. It is hard to not notice that during Halloween we decorate our homes and yards with craftily constructed webs complete with spider effigies. Illustration from the Sheet Music of Spider to the Fly (McCurrie & Weber, San Francisco, 1875). Some scientists suggest there are over 42,000 species with many, many more left to be discovered. We do not know the exact number of species of spiders worldwide. There is even a spider with horns, the Spined Micrathena! The Biodiversity Heritage Library showcased this spider in its Book of the Week: Halloween Special blog post, along with the illustrated 19th century American Spiders and their Spinningwork. They range from the minute pinhead sized Patu digua to the goliath tarantula (Theraphisa leblondi) whose legs can span a dinner plate. The diversity of colors, shapes, and sizes found in ‘Spiderdom’ is astounding. I suffer from a case of Arachnophilia (love of spiders). , Tarantula, 1955 & Arachnophobia, 1990), and nursery rhymes (e.g., There was an Old Lady who Swallowed a Fly and Little Miss Muffet). One can find pictographs of spiders on the walls of the ancient site of Göbekli Tepe in Turkey, as well as references to spiders in mythology, creation stories, folklore, art, jewelry, poetry, literature, songs, medicinal remedies, Hollywood movies (e.g. Without a doubt, we have forged a special relationship with these eight-legged wonders. Spiders have been spinning their webs across the planet for hundreds of millions of years. McCook’s American spiders and their spinningwork, v II, plate I.
0 kommentar(er)
