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oobject: 'daily user-ranked gadget lists'
One of the most odd objects we’ve ever seen these items are sometimes confused with spy gadgetry, but the truth is stranger. Jailers’ keys were apparently filled with gun powder to create a primitive gun that could be detonated if there was any trouble when opening a cell door. We found several original versions that back up this claim, dating from the 17th century and of various complexity.

jailers key guns

Diving bells were originally just that - an upturned church bell with enough trapped air to stand in while reclaiming things from shipwrecks in relatively shallow water. As such the engraving of Edmund Halley's 18th century diving bell is one of my favorite images on oobject, because it shows gadgetry from an age prior to machines. There's a guy walking around the sea floor in what looks more like a velvet courtier's outfit that a divers suit. This list is a collection of images of diving bells that evoke that same sort of weirdness, as best I could find

9 diving bells

Some machines that punch, stamp, strike or print money. What everyone needs these days, and what central banks will be using a lot of. You may be amused to find out that even the J-98 Bank Note printing press is made in China.

10 money making machines

When the shuttle takes off tomorrow it will be a symbolic example of technological regress, a small step down for man, a giant plunge for mankind. After the Shuttle, there will longer be re-usable space vehicles, no rocket capable of taking us to the moon, no submersible capable of taking us to the bottom of the deepest ocean. Airline travelers will only be able to fly half as fast as they used to and most seriously, children will get diseases that were previously wiped out all because progress doesn’t always happen and because some people don’t believe in it.I’ve picked 9 examples of technological regression, they will be ordered according to your votes – pick the the ones you think are the biggest loss.

top 9 examples of technological regress

Around the same time Roy Lichtenstein copied comic books for the New York chattering classes, Papua New Guinean tribesmen did the same for their battle shields. These items are real, used in tribal warfare after prototypical lycra-clad American comic book hero The Phantom somehow struck a chord with traditional cultures in the Western Highlands. They are possibly one of the most bizarre items of popular culture’s infiltration of the far corners of the world.

15 Papua New Guinean superhero war shields

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.

14 other examples of book burning

To celebrate I am Legend, here is a chart of our favorite abandoned technology. Disused military equipment, famous aircraft bone yards, derelict lighthouses, fun fairs subway systems and railway locomotives.

17 abandoned technology sites

There were justifiable fears of being buried alive, before modern medicine could safely identify the difference between certain types of paralysis or coma and being dead. Fears which were exacerbated by fiction such as The Premature Burial by Edgar Allan Poe. As a result a bizarre range of contraptions were invented to signal having been buried alive, from bells, whistles and even a spring loaded ejector coffin which might actually kill other people from the shock of seeing an interred body spring out of the ground in a cemetery.Added to this were ranges of hermetically sealed iron coffins and a device to prevent grave robbing consisting of a booby-trap subterranean torpedo.For more of these, check out: http://deathreferencedesk.org/2010/02/02/premature-burial-device-patents/

12 Safety Coffins

Today is the 50th anniversary of the launch of Sputnik, here are some of the other lesser known Soviet satellites.Soviet space gear looked different to NASA space gear. There was something alarming about this, since it meant that there was a cultural and aesthetic aspect to the type of their design that we expect to be based purely on rational criteria.These days the variety of satellite design does tend to reflect their function more than their provenance, however here are our picks of the ones that were quintessentially Soviet. Vote on your faves.

13 soviet satellites

Five of so architects have produced much of the most famous modern furniture. Here are 15 different chairs by 15 different famous modern architects. Vote for your faves.

15 architects 15 chairs

Nothing demonstrates a more interesting quirk in the history of bad user interface design than the calculator watch, which required cramming the largest number of buttons into the smallest space. So quirky are they that there is a certain nostalgia, for their distinctive styling, both for the collectible ones from the 70s and their mainstream counterparts from the early 80s.

top 15 classic calculator watches

Top500.org have just released their updated list of the worlds most powerful supercomputers. In June all of the top 5 were in the US, now only 2 are, with India, Sweden and Germany appearing.Here's an interesting thing, you can make it into this list for less than the cost of a family house in Manhattan.The fact that a Swedish Military computer is at number 5 indicates that either the Swedish military require the world's most powerful computers, or they are just unusually unsecretive, and that there are many machines we don't know about.Here are the top 15, with pictures of the actual machines, where they have been built. Although the IBM Blue Gene has a simple and striking case, only the Barcelona Computer Center and Leibniz Rechenzentrum are contained in rooms that are at all impressive. Vote for which ones you think are worthy of note.

15 top supercomputers

The most impressive neon districts in the world include Tokyo's Ginza and Shibuya, Osaka's Dotonburi which was the inspiration for Blade Runner, the worlds largest shopping street, Nanjing Road in Shanghai and, of course, Vegas and Times Square. Bangkok's Soi Cowboy district (named after an American who opened one of the first go go bars in the 70s) deserves inclusion on account of its unpleasant strangeness, with live elephants paraded up and down the pink neon streets.Most dramatic of all, however is Hong Kong where the entire skyscraper cluster is animated for 15 minutes as part of the worlds largest light show.Vegas and Times square deserve double mentions as they are more famous for iconic signage which has since been demolished or taken down. We have included footage of both past and present.Although the classic welcome to Vegas sign by Betty Willis has been preserved, many of the famous signs lie in the Vegas neon boneyard and we have included a movie made by urban spelunkers who broke into the yard to explore it.

The 10 most important examples of neon signage

In case there were any doubt about just how unpleasantly weird Kim Jong Il’s tyrannical grip over North Korea, here are 12 examples of his propaganda posters. They range from imagery of attacks on the US in a bizarre blend of Soviet art and 50s American comic books to perhaps the most macabre of all, pictures of copious abundance of produce in a place where people are starving to death.

12 North Korean Propaganda Posters

Ever since Evel Knievel attempted to jump Snake River Canyon, by sitting in a rocket powered bomb, dressed like Elvis, Darwin Awards contenders have tried to create inappropriate rocket powered items. These days we have YouTube to show us 10 thousand varieties of rocket powered skateboard. Here are our favorites, vote for yours.

10 inappropriate rocket powered items

This is a video roundup of currently available or prototyped 3D printers, a gadget which has been sitting on the sidelines for a while, but hasn't become mainstream yet. 3D printing machines are fairly simple in their operation, building any 3D shape, no matter how complex, as a series of contour slices which are hardened as a printer head slides back and forth across. But the results look like magic, real objects, in color, with moving parts, direct from a CAD model. The main reason that 3D printers, still remain a professional niche product, used by design firms rather than end consumers, is that their output is small and slow. In addition, more people know how to create text files for 2D printers than a CAD design, and this is unlikely to change in the near future. As a result of this small market, some of the marketing videos of 3D printers shown here look distinctly old fashioned for such a futuristic product. We long for the day when we will be able to print a full sized chair in ten minutes.

video list of 3D printers in action

Tool chests can provide perfect gadget porn - lots of beautifully crafted objects that fit intricately into a perfect container.Here are some of our favorites, including the stunning chest which resides in the Smithsonian and belonged to Organ and Piano maker, Henry O Studley at the other end of the scale is the garden variety, utilitarian tool box that saved the NASA Spacelab .

top 10 interesting tool chests

Nothing seemed as modern as the space race, gleaming white rockets and cutting edge technology. Except that that was decades ago, and some of the most spectacularly important pieces of technology have been left to rot. Soviet shuttle prototypes have been spotted in the most unlikely places, from the wind swept deserts of Bahrain to a river side dock, full of scrap metal, in a Moscow suburb.The NASA LUT-1 launch tower that sent the first men to the moon was described as 'the modern day equivalent of the dock from which the Santa Maria sailed for the New World'. It lay in a rusting pile of collapsed metal until it was broken up for scrap four years ago.

abandoned space 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.

15 vintage prosthetic limbs

Some of the most beautiful pieces of architecture in the world have a spiral stair as the final flourish. The spiral stair is an architects favorite, from Gaudi to Corbusier to Foster, but some of the most interesting spiral stairs are accidental pieces of architecture, such as those inside lighthouses or on giant silos and storage tanks. Here is a deliberately diverse collection of some of our favorites. Vote for yours.

most beautiful spiral staircases

Custom machinery designed for harvesting vast amounts of produce very quickly, has a particularly hellish quality. This list shows the variety of designs around a common theme, each for gathering a different product: carrots; beans; spinach; coffee; lettuce; cranberries; grapes etc. But then then there are our special favorites such as the worm harvester or the machines that eat trees, including a video of the infamous spider-like walking tree harvester.

15 monstrous harvesters

Fingerprint scanners are a dime a dozen these days. But how about devices which can literally grant access by the way you walk, the way you talk, the way you type or write, bite or grip. Here is a chart of state of the art biometric applications, including futuristic devices like portable Game Boys which are ominously called HIIDE (handheld interagency identity detection).

18 futuristic biometric devices

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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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