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oobject: 'daily user-ranked gadget lists'
Jet engines undergo a variety of tests shown here, from chucking water, sand and flocks of dead birds into their gaping intakes. They are also tested to see what happens when a fan blade is destroyed while the turbine is spinning, with an explosive charge, not something to try at home. But the best tests of all are those involving jet engine afterburners and the best of the best has to be those with vector nozzles.These are real oobjects, objects that make you go ooh. Vote for your faves.

jet engine test videos

One of the negative things about technological progress is when something that was originally intricate and mechanical becomes a ubiquitous piece of cheap technology. This happened in the 70s with watches and more recently has happened with cameras.A modern day spy camera is not that interesting, but the miniature ones here are, similarly the wide range of hardware solutions create much more design diversity in early cameras, from the giant 900lb box camera to the bizarre miniature ones developed for carrier pigeons, from gun like trigger activated shutters to a propeller powered film advance mechanism for a camera mounted below an early aircraft.

12 unusual cameras

Anyone self respecting geek who has been spellbound by the inspired rescue of the Chilean miners, will have found plenty of great info-graphics showing just how impressive a mine is. Here we have gathered some other cutaways, sections and 3d models showing a variety of mines, from the two coal mine alternatives (room and pillar or longwall) to the cavernous chambers of salt mines. Most impressive of all, however, is the physical model of Kidd Creek mine in Ontario where the relatively insignificant looking blobs at the bottom are the world's tallest man made structures, to scale.

9 mine diagrams

Suits for hazardous materials are serious business and high tech., but look ridiculous. They come in several varieties: Splash Suit, Gas Suit, Turnout Coat for different levels of contamination. Their look ranges from giant pink translucent condom like outfits, to oversize Tasmanian Devil shaped suits. From the examples in this list, standard training procedures include washing down while standing in a regular inflatable kids paddling pool and basketball dribbling.

12 hazmat suits

Before electricity, lighthouses relied on lamps that would almost be considered mood lighting by today's standards. Mechanisms were clockwork and had to be wound as often as every two hours. In the 19th century, Fresnel designed a lens that could focus this light into parallel rays and project it horizontally, dramatically improving lighthouses. By the end of the century, all lighthouses had Fresnel lenses classified into orders, with first order being the largest and most impressive.These days lighthouses use less elaborate lamps such as the beacons found at airfields, or even powerful, but unremarkable to look at, LEDs. Here is a list of some of the most beautiful and important lights ever made, including some 1st order beauties that stand 20 feet tall, and were floated on a mercury bed. There are no descriptions of each item, for this chart, as the images speak for themselves, however, the sites linked to have information about the lighthouses where they came from.

15 beautiful lighthouse lights

Comic book ads are the nadir of capitalism, where the ability to blatantly deceive through advertising is exacerbated by the fact the audience is young children. Here are some classics.

12 deceptive comic book ads

Although the West Coast of the US and Japan have plenty of above-ground, tangled, utility cables, for some unknown reason telephone and electricity cabling in Vietnam is particularly horrendous. This list, may seem like an obscure joke until you look at the examples of some of the worlds most unbelievable rats nests of above ground cabling - all in Vietnamese cities.

extreme vietnamese street cabling

Adding a sound system to something as skeletal as a bicycle is tricky task, but one that has been perfected around the world. From gangs in Queens to Critical Mass rallies boom box bikes are an interesting technological mix of eco and brash.

boombox bikes

The Highline is fashionable in every sense. A park inspired by one in Paris, a combination of Euro chic, treehugging sanctity and hipster industrial grunge.But it sits above ground, shovels people off the streets via stairs which cyclists can't use and leads from nowhere to nowhere. In addition, little money ha been spend on the dark spaces underneath, which could easily negate any benefit provided above.The designers involved are great and there are nice touches, but could it have been better just to have torn it down and created something at street level. Such talk is heresy, but here are 9 reasons why we are disbelievers.

9 reasons why the highline sucks

A boat that deliberately capsizes to form a research building, a rotating 25 floor hotel with a floating foundation and a floating nuclear power plant. Vote for your favorite.

12 crazy floating buildings

Papercraft, knitting, gardening and weapons.

craftsy weapons

In order to create musical mashups, its good to have some mashup instruments.We love the names of some of these, like the the chairello, however our favorites are the amazing musical instruments made by Iner Souster, out of chicken cookers, golf carts, refrigerators, and a violin that is made out of a violin case.

12 musical instrument mashups

Manikins (the alternate spelling, mannequin, is usually used for the store window variety) which are used for medical training are extremely interesting devices with accurate and working anatomical elements. This list is larger than usual since the number of interesting items meant that we kept on looking.

medical manikins

To consider how lucky the Phoenix lander is, consider that a dozen Mars missions have failed on launch and a dozen (shown here) have failed after. Some say that Mars missions are cursed, by the reasons tend to be more mundane, such as the infamous Mars Climate orbiter failure which was due to a mistake using imperial rather than metric measures in software.

12 Mars Mission Failures

There is something inherently fascinating about survival kits. Here are some of our favorites, including those below ejector seats, some nicely designed kits from Japan and at Target, and those that we thought had interesting components. We will add to this list over time, send us suggestions of genuinely interesting or unusual, non-gimmick kits.

Survival Kits

The styles here represent the prosperity of the post war years when the cold war space race influenced the concept of modernity. GM and Ford created a range of space age aircraft design inspired prototypes .The Corvette Sting Ray, is perhaps the culmination of this period, with Corvette stylist, Bill Mitchell's XP-87 forming the basis of the classic Sting Ray, one of the few cars in history to go into production without losing something of the impact of the prototype.

the golden age of american concept cars

When I was an architect, it was common for structural engineering books to have this image of two people effortlessly supporting a third to demonstrate the cantilever principal of the famous Forth Rail Bridge outside of Edinburgh. When I was looking for this picture, I noticed that the people were different. It turns out that this iconic image is not unique and here are the three variants I could find, making this the shortest (and one of the more obscure) oobject list to date.

3 forth bridge demos

One of the benefits of the tradition of wooden buildings in the US is that they have fairly good tensile strength, so you can pick them up and move them elsewhere without them falling apart. This makes for some fairly surreal imagery, particularly in time lapse, since homes are all about static permanency. And we've included one daring masonry building move in the list, just to prove it can be done.

8 moving houses videos

It seems that for maximum impact, upside down houses need to be cartoon versions of what a building should be, pitched roof, symmetric, central door.

12 upside down houses

Although making a 3d image is more dramatic than increasing its resolution, say, the technology is fairly primitive. Because of this, stereo cameras are something of an interesting retro curiosity. These days, custom made stereo cameras with twin lenses at eye separation are usually replaced by custom rigs for digital cameras, with appropriate software.

stereo cameras

oobject header image

Skype is an idea that was conceived of by the Victorians, featured in movies in the 20s and became an icon for futurism, and yet the videophone has become ubiquitous independently of telecoms companies. How is it that an idea that could have been seen from such a long way off didn't get developed by phone companies, leading to the ridiculous situation where a phone call costs money but a Skype video phone call is free? Here's a visual history of early videophone concepts.

I started this list as a Thanksgiving homage to American innovation via its greatest inventor. Reading more about Edison and his strange obsession with things like filming electrocutions, using alternating current, of everything from small animals to people and even an elephant, just to try and put people off the rival AC system, managed to put me off him. So as an act of revenge here are some of his less successful, stranger inventions from concrete phonographs to what became the tattoo machine and a ghost detection instrument. Happy Thanksgiving anyway.

In some sense these are steampunk iPods, a ridiculously old fashioned and quixotic category of technology, because there is nothing portable about a record, particularly the brittle shellac versions of the gramophone era. Overcoming this lack of portability is precisely what makes these devices so beautiful and intricate, however, from the later versions which were installed in cars and music systems to the fantastic Peter Pan picnic player, where everything folds out including the platter and the telescopic trumpet. The Peter Pan style came from Europe, when they were called Kamerphones since they looked like the box cameras of the time. They were imported by the Jehovah's Witnesses to take on their rounds and play bible discourses outside people's doors.

According to Bismarck the two things you should never see being made are laws and sausages. Here we reveal the machines involved in the process that is less stomach churning - it involves taking meat and making it into a brown paste then putting it into a colon, traditionally pigs intestines but now plastic. The irony of this being the exact reverse of eating and pooping, obviously hadn't been lost on the German general.There are no more distressing images here beyond what you'd see in the meat section at the supermarket (merely gross ones), but the clip for the Advanced Meat Recovery System which is accompanied by some smooth dinner jazz and whose opening caption reads ‘preparing the beef neckbones with a bandsaw' wins a prize for lack of sensitivity.

Babel is interesting because it represents the ultimate in imaginary architecture, a skyscraper of the mind. The Tower of Babel is the archetypal image of a giant tower, a man made hill, yet nothing like our idea of it has ever been built. The closest are possibly Mont Saint-Michel or perhaps the downtown Manhattan cluster, yet one is a natural mound and the other an apparent hill created from many buildings.The idea of Babel traces back to ancient Sumerian stories from the time of 5000 year old Mesopotamian Ziggurats, to the reinterpretation of these myths in the book of Genesis. In the 16th century the ironic obsession with Babel among 16th century painters in hill-less Lowland Europe, created the most well known imagery, but it evolved further with the unbuilt Palace of the Soviets or the imaginary babel in the retro futuristic skyscraper cities of Fritz Lang's Metropolis.

The monorail perfectly exemplifies that nothing dates like the future, it is a piece of anachronistic technology that is today largely relegated to theme parks and inter terminal airport transit. Although the archetypal image of a monorail is the 1959 Disneyland version, as this list shows, its design history traces back to the middle of the 19th century, with steam driven versions that share none of the futuristic aesthetic of the streamlined post war versions. In this case, although the pioneering system from a technical point of view was the 1952 German Alweg, the 1911 Boyes monorail prototype shows the origins of the futuristic look.

Scoping this list was more difficult than finding the items - I've tried to keep to electronic devices, the first transistor radio rather than the First radio, and products that were actually sold such as the Dycam Model 1 digital camera rather than the Fuji DS-1P.My favorite here is the first web server, it was one of 2 NeXT machines bought for Tim Berners Lee and nobody knows which one (they both survive) was the first to serve a web page. The NeXT was a beautifully designed machine that Steve Jobs built to show what a personal computer should be, after being ousted from Apple. Berners Lee specifically needed a NeXT to be able to build the web and had difficulty getting approval.You could argue the first web server is merely the machine that happened to perform a first role, rather than a device designed for a purpose, but the fact that Berners Lee needed the NeXT to be able to develop the web quickly and elegantly, shows that sometimes the development of the first example of something predates it actually being used for the pioneering purpose for which it is suited.

Anyone self respecting geek who has been spellbound by the inspired rescue of the Chilean miners, will have found plenty of great info-graphics showing just how impressive a mine is. Here we have gathered some other cutaways, sections and 3d models showing a variety of mines, from the two coal mine alternatives (room and pillar or longwall) to the cavernous chambers of salt mines. Most impressive of all, however, is the physical model of Kidd Creek mine in Ontario where the relatively insignificant looking blobs at the bottom are the world's tallest man made structures, to scale.

Its October 2010 and Chinese property booms while most of the Western world's houses have shrunk to more realistic levels. In the US, homes have ceased to be ATMs to buy oriental barbecues, but in Britain, a crowded island with a cultural attachment to carving out a personal defensible space are Englishmen's homes still castles, with prices to match.As US housing prices adjusted, UK ones, faltered then regained their losses smack in the middle of the recession. This time things look different, with last month seeing the largest dip in housing prices in history. Perhaps prices in Britain will go up forever, or perhaps Britain will be like Japan, another crowded island which had the same phenomenon and where eventual capitulation resulted in a crash where property is worth less than a decade ago?One way to judge judge this is to look at what a million dollars gets you in London and its hinterland - a place where an apartment recently sold for a quarter of a billion dollars during the biggest downturn since the Great Depression.

When Craig Breedlove built the first of the modern jet-propelled record breaking cars in his garage, he named it the Spirit of America, this could have just as well pertained to the place of creation as the object itself. The garage is a symbol of creative entrepreneurialism, people making anything from cars to music to robots and, of course, the Apple computer.

We tend to think of submarines as being a particularly 20th century object when we imagine the nuclear powered, nuclear missile carrying versions. Obviously however, they feature in the Jules Verne classic, ‘20 Thousand Leagues Under the Sea' and are, as such a definitive Victorian piece of technology, or to use the term currently in vogue, 'steampunk'.Although the idea of a submarine began as early as the 16th century, it was in the Victorian era that the modern cigar with periscope form was developed with France's Gymnote in 1889.Included here is a picture of the model of the Plongeur which was exhibited at the Exposition Universelle in 1867. This was the actual item that Jules Verne saw and inspired the Nautilus in his seminal science fiction work, making it an historic item in the cultural history of technology.

Today, prosthetics are a world apart from these pre-digital age examples, using advanced robotic and cybernetic technologies and tools such as 3-d printers for mass customization. As such vintage prosthetics often have the particularly strange look which is both creepy and fascinating and accompanies technological obsolescence.Early prosthetic limbs date from ancient Egypt and Rome, however examples from the middle ages appear more regularly, being made of armor. The were later replaced by non articulated wooden prosthetics, of the caricature style normally worn by pirates. The tragically large number of amputees in the Napoleonic Wars led to the development of the 'Clapper', named after the sound made by its articulated toes which were controlled by artificial tendons. This prosthetic became the model for the 'American Leg' which was developed during the American Civil war. Wooden prosthetics were heavy and were not improved on till the development of lightweight alloys, during the first World War.

After the furor over the potential Koran burnings last week, I had a look at the precedents, which it seems are everywhere, from Harry Potter to the Bible. For thousands of years, all religions and ideologies have been burning each others' texts.

Antarctic architecture provides imagery of the closest thing that people will be able see to a moon base, within their lifetimes. The extreme nature of the environment combined with its bizarre statelessness, provides the location for a freezing architectural expo, with each country having its own icy pavilion.Since the early days of wooden huts, the architecture has converged on a style which consists of a pod on legs, somewhat reminiscent of Thunderbird II's cargo bay or the Space 1999 freighter. In addition large scale experiments such as the south pole telescope or ice cube neutrino detector (which is technically a telescope at the north pole since it watch for particles which have traveled through the earth) provide equally interesting accidental architecture, in that their designs are purely functional.

Included here are notable landings based upon being spectacularly close to high rises (the old Hong Kong airport), very short runways (Saba, aircraft carriers), specific vehicles (the Space Shuttle and Concorde) or a reconstruction of the Amazing US Airways flight 1549 which ditched safely in the Hudson after all engines failed.

Like fossils for creationists, these medical dinosaurs are concrete evidence of the tragic fallacy of anti-vaccinationism. During the 1940s and 50s entire hospital wards were filled with these terrifying looking submarine-like devices, to help polio victims whose paralysis rendered them unable to breath.Although modern day respirators tend to work with positive rather than negative pressure, polio itself has been almost entirely eradicated due to the successful widespread use of vaccines, saving countless lives.

Thrones provide a history of self importance through design, from Ivan the Terrible's ivory throne to some of the more absurd set pieces, complete with enormous backdrops.The throne and sculptural setting for Papal audiences is a fitting example of something that would have Jesus rolling in his proverbial grave, quite missing the entire message of the scriptures. Other favorites include the coronation throne in Britain which is covered in antique graffiti, as if it were a unimportant school chair, or Saddam Hussein's scud missile set piece. My personal favorite is the throne which the lunatic singer, Michael Jackson had made for himself, which actually looks ordinary here.

Why absurd? Well, there is something particularly vulnerable about a piece of military hardware that can be rendered inactive by a group of boy scouts laying an iron bar sufficient to derail it. At the same time, the ordinary look of many steam trains seemed more robust than some of these tin can efforts. I chose this list because they are a design backwater with unusual looking phenotypes.

Seven US Presidents may have been born in a log cabin, but only one is shown here. Alongside are some of the more unusual ones, few were born in cities or apartments and few grew up in grand houses. Click through to reveal who was born where.Nothing symbolizes the concept of the rags to riches American dream more than Lincoln's enshrined log cabin.

Ironically, airports are one of the few things you often don't get to see an aerial view of since you don't get a cockpit seat. Here are a dozen of our favorites, purely in terms of their abstract graphical layout. See if you can guess them.

I've picked the most interesting selection I could find from the worlds largest gatherings. The largest anti war protest was in Rome in 2003, against the Iraq war, where more people gathered than for the annual pilgrimage to Mecca, the Haj. In fact, Sao Paulo's Gay Pride festival is roughly the same size as the Haj, with 2.5 million attending in 2006 and the Haj isn't even necessarily the largest gathering in Islam, with 14 million people attending the Shiite Arab'een in Iraq. Religious ceremonies dominate, with a Papal mass in Ireland in 1979 resulting in a third of the population (1.25M) gathering in a single field, but paling in comparison with religious gatherings in India, including the Kumbh Mela which drew an unbelievable 60-70 million people over 45 days in 2007, making it the largest gathering in history.

Almost everything there is to know about modernism is contained in a single room slice of a curtain wall tower dropped into the Illinois countryside. The Farnsworth house was a project designed and built by Mies van der Rohe 60 years ago, undeserving of its patron's name, who wrongfully sued and which still seems to win prizes and be declared as innovative when architects consciously or unconsciously copy it today. Here are a dozen examples to demonstrate it.

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