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An exoskeleton is an external skeleton that supports and protects an animal's body, in contrast to the internal endoskeleton of, for example, a human. Some animals, such as the tortoise, have both an endoskeleton and an exoskeleton. In popular usage, many of the larger kinds of exoskeletons are known as "shells".

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Exoskeleton — Blogs, Pictures, and more on WordPress

CYBERDYNE: Strength Enhancing Exoskeleton Mass Production, Costs $4200 ... The New Exoskeleton ... Hardcore Exoskeleton — 13 comments ...en.wordpress.com/tag/exoskeleton/

New Scientist Technology Blog: Exoskeleton update - New Scientist

A technology blog from. Tuesday, October 24, 2006. Exoskeleton update ... I recently spoke to John Main, chief of DARPA?s exoskeleton program. ...www.newscientist.com/blog/technology/2006/10/exoskeleton-upd...

Exoskeleton

Exoskeleton. Sunday, May 03, 2009. I will read in NYC ... "Avant-Garde" (my post on Ron Silliman's blog) Facebook quizzes. Multilingual reading at IUSB ...exoskeleton-johannes.blogspot.com/

New Scientist Technology Blog: Exoskeleton Olympics - New Scientist

A technology blog from. Wednesday, January 17, 2007. Exoskeleton Olympics. Continuing today's exoskeleton theme - the video clip at the bottom of this post ...www.newscientist.com/blog/technology/2007/01/exoskeleton-oly...

Trouble walking? Try Honda's new exoskeleton legs: Scientific American Blog

If even the thought of mounting a long staircase makes your knees ache, help could be on the way in the form of a supportive lower-body exoskeleton recently ...www.scientificamerican.com/blog/60-second-science/post.cfm?i...

Wikipedia About Exoskeleton

An exoskeleton is an external skeleton that supports and protects an animal's body, in contrast to the internal endoskeleton of, for example, a human. Some animals, such as the tortoise, have both an endoskeleton and an exoskeleton. In popular usage, many of the larger kinds of exoskeletons are known as "shells".

Mineralised exoskeletons first appeared in the fossil record about 550 million years ago, and their evolution is considered by some to have played a role in the subsequent Cambrian explosion of animals.

Role of the exoskeleton

Exoskeletons contain rigid and resistant components that fulfil a set of functional roles including protection, excretion, sensing, support, feeding and (for terrestrial organisms) acting as a barrier against desiccation. Exoskeletons have a role in defence from predators, support, and in providing a framework which musculature can attach to.

Exoskeletons contain Chitin and when calcium carbonate is added, the exoskeleton grows in strength and hardness.Fact: date=March 2009

Diversity

Many taxa produce exoskeletons, which are composed of a range of materials. Bone, cartilage, or dentine is used in the Ostracoderm fish and turtles. Chitin forms the exoskeleton in arthropods including insects, arachnids such as spiders, crustaceans such as crabs and lobsters (see arthropod exoskeleton), and in some fungi and bacteria. Calcium carbonates constitute the shells of molluscs (see Mollusc shell), brachiopods, and some tube-building polychaete worms. Silica forms the exoskeleton in the microscopic diatoms and radiolaria.

Some organisms, such as some foraminifera, agglutinate exoskeletons by sticking grains of sand and shell to their exterior. Contrary to a common misconception, echinoderms do not possess an exoskeleton, as their test is always contained within a layer of living tissue.

Exoskeletons have evolved independently many times; 18 lineages evolved calcified exoskeletons alone. Further, other lineages have produced tough outer coatings analogous to an exoskeleton, such as some mammals - (constructed from bone in the armadillo, and hair in the pangolin) - and reptiles (turtle and Ankylosaur armour are constructed of bone; crocodiles have bony scutes and horny scales).

Growth in an exoskeleton

Since exoskeletons are rigid, they present some limits to growth. Some organisms grow by adding new material to the aperture of their shell, but many must moult their shell when they outgrow it, producing a replacement.

Palaeontological significance

BoredEncrustedShell.JPG

However our dependence on fossilised skeletons also significantly limits our understanding of evolution. Only the parts of organisms that were already mineralised are usually preserved, such as the shells of molluscs. It helps that exoskeletons often contain "muscle scars", marks where muscles have been attached to the exoskeleton, which may allow the reconstruction of much of an organism's internal parts from its exoskeleton alone. The most significant limitation is that, although there are 30-plus phyla of living animals, two-thirds of these phyla have never been found as fossils, because most animal species are soft-bodied and decay before they can become fossilised.

Search results for Exoskeleton

Raytheon Company: The Exoskeleton: Advanced Robotics

rtn08_exoskeleton_body ... Technology & Innovation > The Exoskeleton: Advanced Robotics. Media Contacts ... The exoskeleton is essentially a wearable robot that ...www.raytheon.com/newsroom/technology/rtn08_exoskeleton/

HowStuffWorks "How Exoskeletons Will Work"

Exoskeletons will allow soldiers to run faster, carry heavier weapons and leap ... Exoskeleton Image Gallery ... ­Basically, an exoskeleton is a wearable ...science.howstuffworks.com/exoskeleton.htm

Exoskeleton - New World Encyclopedia

Exoskeleton is a hard, external structure that covers, supports, and protects an ... 2 Growth in an exoskeleton. 3 Palaeontological significance. 4 Evolution ...www.newworldencyclopedia.org/entry/Exoskeleton

UC Berkeley Human Engineering Laboratory

The first prototype experimental exoskeleton is comprised of two powered ... The Exoskeleton allows a person to comfortably squat, bend, swing from side to ...bleex.me.berkeley.edu/bleex.htm

03.03.2004 - UC Berkeley Researchers Developing Robotic Exoskeleton ...

"We set out to create an exoskeleton that combines a human control system with ... The Berkeley Lower Extremity Exoskeleton (BLEEX), as it's officially called, ...www.berkeley.edu/news/media/releases/2004/03/03_exo.shtml

Images found for Exoskeleton

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News about Exoskeleton

Can you dig it?

The New StatesmanAn ambitious survey of jazz in the 20th century is one dazzling image after another. But uprooted from all context, this disparate collection of jazz gems is a little lost in the wildernesshttp://www.newstatesman.com/music/2009/05/jazz-century-art-d...

Seahorses 'stood up' 25 million years ago

MSNBCSeahorses first stood up sometime after 25 to 20 million years ago, when bodies of open water between Australia and Indonesia changed, leaving these horse-resembling bony fishes with shallow sea grass habitat, according to a new study.http://www.msnbc.msn.com/id/30600080/

Arts Calendar

The Berkeley Daily PlanetYoung Actors Workshop “Love’s Labors Lost” featuring students age 11-18 from middle and high schools from around the Bay Area, Thurs.- Sat. at 7 p.m., Sun. at 5 p.m. at Aesop’s Playhouse, Children’s Fairyland, 699 Bellevue Ave. Tickets are $9-$13.http://www.berkeleydailyplanet.com/issue/2009-05-07/article/...

Spiders Getting Bigger -- Global Warming to Blame?

National GeographicAs if global warming isn't giving us enough to worry about, now scientists say it could lead to bigger—and possibly more—spiders of at least one hairy species.http://news.nationalgeographic.com/news/2009/05/090505-spide...

Seahorses 'Stood Up' 25 Million Years Ago

Animal PlanetSeahorses adopted their upright posture to take advantage of grassy habitats.http://dsc.discovery.com/news/2009/05/06/seahorses-stand-up....

News about Exoskeleton

Alice in Fashionland

SalonThis imperative was confounded, however, by their exoskeleton of black-clad, swaggering producers, cameramen and bully-ish security personnel, who took it upon themselves to casually abuse anyone who got too curious, produced a camera or accidentally ... http://www.salon.com/ent/feature/2008/02/04/fashion_week/ind...

How Haptics Will Change the Way We Interact With Machines

Popular MechanicsForce-feedback exoskeleton gloves, remote-control surgical robots , touchscreens and video games that touch back —tactile technology is taking off. Popular Mechanics's Resident Roboticist shakes hands with a virtual world. Immersion's Nemer ... http://www.popularmechanics.com/technology/industry/4253368....

X-Men Origins: Wolverine

Boston GlobeHello, police? Come quick! A naked man just leapt over a fake-looking waterfall. Describe him? I don't know. Bee Gees hair. Clint Eastwood scowl. Zero-percent body fat. And a metal exoskeleton that would make him hell to stand behind at airport ... http://www.boston.com/ae/movies/articles/2009/05/01/x_men_or...

Planet: Q'onoS (Kronos, the Klingon homeworld).

startrek.comShattering the cranial exoskeleton at the tricipital lobe brings instant death. In the traditional sense, the Klingon people hold honor above life — although as with any culture, high-level politics and personal gain get in the way. In Klingon ... http://www.startrek.com/startrek/view/library/aliens/article...

Robotic RoShamBo

Popular Science ... to carry out jobs in space or high-radiation environments," says Graham Whiteley, the co-director of Elumotion. Whiteley also envisions BERTI's technology aiding Parkinson's or multiple-sclerosis patients in maintaining mobility through exoskeleton ... http://www.popsci.com/entertainment-amp-gaming/article/2009-...

Search results for Exoskeleton

Exoskeleton -- Engadget

Years after the HAL (Hybrid Assistive Limb) suit first debuted, it seems that Cyberdyne's pride and joy is about to get really real. According to a report over at HPlus Magazine ... http://www.engadget.com/tag/exoskeleton/

EXOSKELETON

A six-legged, pneumatically powered walking machine has been constructed for the body. The locomotor, with either ripple or tripod gait ... http://www.stelarc.va.com.au/exoskeleton/

Exoskeleton

I want to very briefly return to my post from yesterday: The thing that intrigues/bewilders me the most in both Steven Burt's and American Hybrid's frameworks for reading ... http://exoskeleton-johannes.blogspot.com/

exoskeleton: Definition from Answers.com

exoskeleton n. A hard outer structure, such as the shell of an insect or crustacean, that provides protection or support for an organismhttp://www.answers.com/topic/exoskeleton

exoskeleton - definition of exoskeleton in the Medical dictionary - by ...

exoskeleton /exo·skel·e·ton/ (-skel´ĕ-ton) a hard structure formed on the outside of the body, as a crustacean's shell; in vertebrates, applied to structures produced by the ... http://medical-dictionary.thefreedictionary.com/exoskeleton

Wikipedia results for Exoskeleton

Exoskeleton - Wikipedia, the free encyclopedia

An exoskeleton is an external skeleton that supports and protects an animal's body, in contrast to the internal endoskeleton of, for example, a human.http://en.wikipedia.org/wiki/Exoskeleton

Powered exoskeleton - Wikipedia, the free encyclopedia

A powered exoskeleton is a powered mobile machine consisting primarily of a skeleton-like framework worn by a person and a power supply that supplies at least part of the ... http://en.wikipedia.org/wiki/Powered_armor

Arthropod exoskeleton - Wikipedia, the free encyclopedia

Arthropods are covered with a tough or resistant exoskeleton, which may be mineralised or constructed of a tough polymer such as chitin. This external skeleton is molted as the ... http://en.wikipedia.org/wiki/Arthropod_exoskeleton

Exoskeleton car - Wikipedia, the free encyclopedia

An Exoskeleton car has a visible external frame, being made of chromoly, stainless steel, or carbon fiber. The simplistic construction of the vehicle follows Colin Chapman 's ... http://en.wikipedia.org/wiki/exoskeleton_cars

Crocodile exoskeleton - Wikipedia, the free encyclopedia

The crocodile exoskeleton consists of the protective dermal and epidermal components of the integumentary system in animals of the order Crocodilia.http://en.wikipedia.org/wiki/Crocodile_exoskeleton
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HULC Exoskeleton Promo Vid

HULC Exoskeleton Promo VidCorporate video from LockheedFlash - Video

Exoskeleton Turns Humans Into Termi...

Exoskeleton Turns Humans Into TerminatorsPowered exo-skeleton in development. It reminds me of a downscaled version of the power loader from Aliens. Ranked 3.80 / 5 | 7,028 views | 8 comments Click here to watch the item...Flash - Video

Exoskeleton

ExoskeletonWow, the future is here. This is probably one of the few rare good things to come out of a warFlash - Video

Robotic exoskeleton

Robotic exoskeletonMilitary on the verge of real-life RoboCopsFlash - Video

Exoskeletons transform U.S. militar...

Exoskeletons transform U.S. militaryNov. 28 - While American soldiers get in shape stateside-- with a slew of aerobic exercises, a soldier of the future could soon be seen on the battlefield. It's called an...Flash - Video

Answers for Exoskeleton

Sarah CHow fast could an exoskeleton make you run?Sarah Cwell as there are no artificial exoskeletons, at least as you speak of them, past the initial prototype stages, it is impossible to tell how fast they can make a human go. Also their would be a great ...animal loverWhat is the exoskeleton of a butterfly made of?animal loverIt is made of chitin. It protects the butterfly's vital organs and helps them stay hydrated by keeping water inside their bodies.Me, Myself, and IHow does an insect's exoskeleton help them live on land? Any disadvantages?Me, Myself, and IAn exoskeleton is a hard, waterproof covering made of substances similar to human fingernails. Two substances found in an exoskeleton are chitin and sclerotin, these substances help make the exoskelet...LindaWhat does the exoskeleton of a hermit crab look like?Lindait sometimes is mistaken for a dead hermit crab. If it doesn't fall apart it looks like a dead hermit crab except there is no abdomen and it's hollow.DEMOCRATWhat do I do with my cleaner shrimp's exoskeleton after it has molted?DEMOCRATIf it bothers you just take it out, if not just wait for it to be eaten by the copepods and other small crustaceans. You most likely will not see your cleaner shrimp for a few days any how since it is...
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