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Ravens are Smart

Check out this article for a really neat description of how and why ravens are smart. Basically, it's a great trait for a scavenger to evolve- they need intelligence and what amounts to a rather sneaky form of empathy to snitch lots of food from predators and hide it from their fellow ravens. Good stuff.Ravens can toboggan, ride other animals and spy on their enemies. Their life as cadgers stealing prey from wolves, eagles and bears has made them outstandingly intelligent.

Topic by canida    |  last reply


Crows and Ravens in Mythology.

Crows n RavensFor centuries the corvids, ravens and crows in particular (corvus corax is the Latin name for the common raven and corvus corone for the carrion and hooded crows), have had a special place in the mythology of various cultures. In modern times this fascination has barely diminished. From Edgar Allen Poe's literary classic to the film of James O'Barr's cult graphic novel "The Crow", these birds still exert a powerful hold over the psyche of a significant fraction of the population. The Goths who paint their faces with white make-up and the weekend warriors who expect Raven to take them to the Otherworld to meet the dead do not see the same animal as the farmers who set up decoys in order to shoot large numbers of them every year in late spring. This is, however, typical of a creature that presents a paradox wherever one looks.Corvids are sociable birds. They tend to form social groups, and this can be seen particularly in the case of rooks, which stay in their flocks all year round. Ravens, the largest of the family, reaching as much as 3 feet from beak to tail, form groups as juveniles, pairing off into lifelong monogamous and extremely territorial relationships at around the age of three. The courtship can involve such fun and games as synchronised snow sliding, and, of course, the synchronised flight test. The corvids can be found all over the world, and are the largest of the passeriformae, or songbirds. The common raven is widely distributed throughout the Northern hemisphere, and the adaptability and intelligence of this family have made it extremely successful.As far as the mythology goes, the first confusion arises over the distinction between Crow and Raven, at least on the European side of the Atlantic. The two appear, in many instances, to be interchangeable, and the appearance of one or the other in a story depends as much on which author is transcribing it as it does on story itself. Whereas John Matthews 1 gives Bran the raven almost exclusively, Miranda Jane Green 2 ascribes to the God's companion animal either the crow or the raven, much as both authors do for the Morrigan. The confusion on the American side of the Atlantic is not so profound. There is a distinct geographical trend in the likelihood of Raven appearing in a story, and so we will start our examination there.

Topic by Goodhart    |  last reply


Raven and Writing Desk

Why is a raven like a writing desk? I refuse to give up on an answer to this question I need YOU to help me find this answer, may i go mad as a hatter. Leave your answer here, please nothing offensive.

Topic by whiskrs    |  last reply


Modded Fart Machine, plays the 14-20 kilohertz sound

Ok, because I am not so tech savy in circuitry, I am willing to give my first daughter's virginity and an Island in Dubai to the person that can show me how to build this: Ok, the idea is a Modded fart machine that plays that intensely annoying high pitched sound that only young people can hear, between 14 and 20 kilohertz...hopefully somebody will know how to switch the programmed chips and utilize the fart machine's speaker and remote control system. It would also be quite helpful if you could add a 9-volt battery with a resistor for long life, and possibly put in a more powerful speaker for maximum annoyance.

Topic by Ripsaw  


victory

Who like how the ravens beat the 49ers

Topic by girlz ova freinds    |  last reply


How to cover a mask with feathers? Answered

I'm making a mask similar to the one in the picture (whole head) and already have the structure of the mask planned out. What i don't know is how to attatch the feathers. What would be the best way to do this (cover the whole head)? Glue? Hand sewing? Any suggestions are helpfull.

Question by penandsword    |  last reply



Wildebeest

I may have selected a username that not only represents me as a poor speller, but also someone who is unfamiliar with the relative intelligence of the gnu. It's certainly no raven, magpie, or blackbird. (Though cartoons have taught me that laboratory mice and platypi are unusually bright as well.) Warning: this video contains graphic cuteness and an unsurprising ending.

Topic by wilgubeast    |  last reply


[newsletter] Internet on TV, Survival Kit, Rock Band Mod...

July 24, 2008 Sign-up for this newsletter: function openSubscribePopUp(src){ var emailValidate = /\w{1,}[@][\w\-]{1,}([.]([\w\-]{1,})){1,3}$/ if(emailValidate.test(src.value) == false){ alert("Please enter correct email"); return; } window.open("/newsletter/newslettersignup?email=" + src.value,"newslettersignup1","status=yes,scrollbars=yes,resizable=yes,width=420,height=250"); } Welcome back! Get published in the upcoming Instructables book by entering the Instructables Book Contest. Any Instructable, new or old, can be entered! You can also enter the Horny Toad Invent-a-Sport Contest to win some sweet clothes from Horny Toad! Hide a projection screen with style by Fylke DIY 3D Controller by kylemcdonald Freestyle Snowshoe Boulder Jumping by joe Build a Softbox from an umbrella by sdhigbee Put the internet on your TV! by bradpowers Grow your own wheatgrass by itschrys Mod Your Rock Band Guitar by Sp4m Get A Free Haircut - Fashion Styling 2.0 by lamedust Take Cube Roots of 6-Digit Numbers by purduecer Build a kid's long- wheelbase low racer by homba DIY Compact Survival Kit by ledzeppie The Raven, high-pitched torture by Hungry_Myst Six ways to avoid the gas station Get published in the Instructables book! Answer our Burning Questions! How to Ride Your Bike in Style by caseyscieszka Stick it Up with a Poster Magnet Board by laboratory424 Embroidery 101! by jessyratfink Put Keys in Your Leatherman by pyro222 Now go make something awesome, and I'll see you next week! - Eric Sign-up for this newsletter: function openSubscribePopUp(src){ var emailValidate = /\w{1,}[@][\w\-]{1,}([.]([\w\-]{1,})){1,3}$/ if(emailValidate.test(src.value) == false){ alert("Please enter correct email"); return; } window.open("/newsletter/newslettersignup?email=" + src.value,"newslettersignup2","status=yes,scrollbars=yes,resizable=yes,width=420,height=250"); }

Topic by fungus amungus    |  last reply


Instructables Pizza Off 2008

I turned 25 this past week and celebrated my Birthday by organizing something that I've wanted to do for a long long time - a Pizza Off! A Pizza Off is an event where the participants order as many pizza pies as possible from as many different pizzerias as possible, bring them all to a central location at the same time, (Instructables HQ of course) and then eat them all and test which ones they like best! It's not something that you can do on your own, do to limitations of space, time and belly, so I was grateful when the entire Squid Labs community decided that this sounded like an awesome idea to them as well.The rules were simple (taken from the original email announcement):You must bring a pie with you. Think of it as a ticket for entry - if you plan on partaking, you've got to have a pie. We (as in the royal I) will allow sharing of one pie per two people. Ideally each person would bring their own pie, but I'm no tyrant.Your pizza must be from your favorite SF pizza joint. The pie you bring says something about who you are, so drive the extra mile to the place that's a little further, but twice as good. Each and every person in this building is beautiful, and your pizza should be too.You and your pie must arrive promptly at Instructables HQ at 1:00.You can bring whatever type of pizza you like, from whatever pizza joint you think is best. Ideally we'd all get plain cheese pies so we could truly compare, but if you've got to have something fancy on your pie, rock out.This event is all about two things: pizza and excess, so if you're thinking, oh I don't really need to bring a pie, it will be too much food...I'll just eat some pizza and stand around the table - you're wrong. This event only works if we hit critical pizza mass, so I'm counting on each and every one of you to help.When Tuesday rolled around, we ended up having 15 different pies from 13 different pizzerias! There were gourmet pizza pies from local worker owned bakery Arizmendi, traditional Italian cheese pies from North Beach, deep dish pies from San Francisco and East Bay favorite Zachary's, thin crust brick oven pies from Pizzeria Delfina and even Indian food pizza - which actually turned out to be an awesome flavor explosion!I almost made it "round the pizza world", but then some late entries showed up and the crusts caught up with me. There was a huge happy turnout, plenty of ravenous mouths, delicious pizza of all kinds and we all lived to tell the story of the first ever Pizza Off - all in all I'd call it a huge success!For anyone who doesn't already know, I love NY style pizza, and in my opinion, the best NY slices in San Francisco are from Arinell's on Valencia, so that's where I got my pie from. Everyone had their own favorites though, so I won't presume to report on any definitive results from the testing. I will say though that there's a pizza type for everyone, and I am never ceased to be amazed by the magic and wonder of Pizza.We're planning on having future Food Offs testing out other ubiquitous tasty foods. Some of the first things that I'd like to test are:Pad ThaiEgg RollsPhoBurgersIce CreamCoffeeRibsBurritosTacosAnyone else ever do anything like this? Find 15 friends who are as crazed about food as you are and make it happen!

Topic by noahw    |  last reply


8 Reasons you'll rejoice when we hit $8 a gallon gasoline

This article in MarketWatch written by Chris Pummer mostly matches my opinions. My favorite is #2Here is the text:SAN FRANCISCO (MarketWatch) -- For one of the nastiest substances on earth, crude oil has an amazing grip on the globe. We all know the stuff's poison, yet we're as dependent on it as our air and water supplies -- which, of course, is what oil is poisoning.Shouldn't we be technologically advanced enough here in the 21st Century to quit siphoning off the pus of the Earth? Regardless whether you believe global warming is threatening the planet's future, you must admit crude is passé. Americans should be celebrating rather than shuddering over the arrival of $4-a-gallon gasoline. We lived on cheap gas too long, failed to innovate and now face the consequences of competing for a finite resource amid fast-expanding global demand.A further price rise as in Europe to $8 a gallon -- or $200 and more to fill a large SUV's tank -- would be a catalyst for economic, political and social change of profound national and global impact. We could face an economic squeeze, but it would be the pain before the gain.The U.S. economy absorbed a tripling in gas prices in the last six years without falling into recession, at least through March. Ravenous demand from China and India could see prices further double in the next few years -- and jumpstart the overdue process of weaning ourselves off fossil fuels.Consider the world of good that would come of pricing crude oil and gasoline at levels that would strain our finances as much as they're straining international relations and the planet's long-term health: 1. RIP for the internal-combustion engineThey may contain computer chips, but the power source for today's cars is little different than that which drove the first Model T 100 years ago. That we're still harnessed to this antiquated technology is testament to Big Oil's influence in Washington and success in squelching advances in fuel efficiency and alternative energy.Given our achievement in getting a giant mainframe's computing power into a handheld device in just a few decades, we should be able to do likewise with these dirty, little rolling power plants that served us well but are overdue for the scrap heap of history.2. Economic stimulusNecessity being the mother of invention, $8 gas would trigger all manner of investment sure to lead to groundbreaking advances. Job creation wouldn't be limited to research labs; it would rapidly spill over into lucrative manufacturing jobs that could help restore America's industrial base and make us a world leader in a critical realm.The most groundbreaking discoveries might still be 25 or more years off, but we won't see massive public and corporate funding of research initiatives until escalating oil costs threaten our national security and global stability -- a time that's fast approaching. 3. Wither the Middle East's cloutThis region that's contributed little to modern civilization exercises inordinate sway over the world because of its one significant contribution -- crude extraction. Aside from ensuring Israel's security, the U.S. would have virtually no strategic or business interest in this volatile, desolate region were it not for oil -- and its radical element wouldn't be able to demonize us as the exploiters of its people.In the near term, breaking our dependence on Middle Eastern oil may well require the acceptance of drilling in the Alaskan wilderness -- with the understanding that costly environmental protections could easily be built into the price of $8 gas. 4. Deflating oil potentatesOn a similar note, Venezuela's Hugo Chavez and Iran's Mahmoud Ahmadinejad recently gained a platform on the world stage because of their nations' sudden oil wealth. Without it, they would face the difficult task of building fair and just economies and societies on some other basis.How far would their message resonate -- and how long would they even stay in power -- if they were unable to buy off the temporary allegiance of their people with vast oil revenues? 5. Mass-transit developmentAnyone accustomed to taking mass transit to work knows the joy of a car-free commute. Yet there have been few major additions or improvements to our mass-transit systems in the last 30 years because cheap gas kept us in our cars. Confronted with $8 gas, millions of Americans would board buses, trains, ferries and bicycles and minimize the pollution, congestion and anxiety spawned by rush-hour traffic jams. More convenient routes and scheduling would accomplish that.6. An antidote to sprawlThe recent housing boom sparked further development of antiseptic, strip-mall communities in distant outlying areas. Making 100-mile-plus roundtrip commutes costlier will spur construction of more space-efficient housing closer to city centers, including cluster developments to accommodate the millions of baby boomers who will no longer need their big empty-nest suburban homes.Sure, there's plenty of land left to develop across our fruited plains, but building more housing around city and town centers will enhance the sense of community lacking in cookie-cutter developments slapped up in the hinterlands. 7. Restoration of financial disciplineFar too many Americans live beyond their means and nowhere is that more apparent than with our car payments. Enabled by eager lenders, many middle-income families carry two monthly payments of $400 or more on $20,000-plus vehicles that consume upwards of $15,000 of their annual take-home pay factoring in insurance, maintenance and gas.The sting of forking over $100 per fill-up would force all of us to look hard at how much of our precious income we blow on a transport vehicle that sits idle most of the time, and spur demand for the less-costly and more fuel-efficient small sedans and hatchbacks that Europeans have been driving for decades. 8. Easing global tensionsUnfortunately, we human beings aren't so far evolved that we won't resort to annihilating each other over energy resources. The existence of weapons of mass destruction aside, the present Iraq War could be the first of many sparked by competition for oil supplies.Steep prices will not only chill demand in the U.S., they will more importantly slow China and India's headlong rush to make the same mistakes we did in rapidly industrializing -- like selling $2,500 Tata cars to countless millions of Indians with little concern for the environmental consequences. If we succeed in developing viable energy alternatives, they could be a key export in helping us improve our balance of trade with consumer-goods producers. Additional considerationsWeaning ourselves off crude will hopefully be the crowning achievement that marks the progress of humankind in the 21st Century. With it may come development of oil-free products to replace the chemicals, pharmaceuticals, plastics, fertilizers and pesticides that now consume 16% of the world's crude-oil output and are likely culprits in fast-rising cancer rates.By its very definition, oil is crude. It's time we develop more refined energy sources and that will not happen without a cost-driven shift in demand.

Topic by Keith-Kid    |  last reply