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oobject: 'daily user-ranked gadget lists'
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

If you are as persnickety as we are, then you also possibly fantasize about having lots of gadgets that are tiny and foldaway in beautiful, intricate transformer-like fashion.Here are our picks from big to small: houses, helicopters, cars, boats, beds, computers, coat hangers. even if you've seen these things before, there is something satisfying about putting all these things in one place.

collapsible gadgets

This year the MIT class ring, the Brass Rat, hides a hackers' diagram of a subterranean campus wide tunnel network.Networks of secret passages and tunnels have been built on a giant scale, from components of the Maginot line to the Viet Cong Cu Chi Network. Others perform a peacetime function, such as the half mile tunnel network H.G. Dyar built under his Washington home, as a hobby, the passageways under Disney's Magic Kingdom or the unbelievable 5000 year old Lizard People tunnel network under Los Angeles that the L.A. Times published a diagram of during the depression.Here is a collection of our favorite tunnel network diagrams, drawings or models.

12 of the worlds most fascinating tunnel networks

Welding goggles are a staple item for Burning Man and Steampunk fans, and the variety of welding masks and visors is impressive and iconic. They range from creepy leather hood "Monkey Masks" to hand held furnace mask derivatives, to sophisticated systems based upon racing helmets, with visors that darken instantly in a fraction of a second, and with customized paint jobs from kitsch to clever. Vote for your faves.

15 wonderful welding masks

From 3 megawatt offshore monsters to zero energy windmill skyscrapers, kite flown turbines and giant seabed anchored super-turbines, held aloft by blimps. Here is our list of the most futuristic and quixotic designs for wind turbines. By far the most beautiful way to harness energy.

16 beautiful wind turbines

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.

victorian submarines

Pocket sundials can be over 1000 years old, arguably making them the world's first watches - and with no moving parts to break. Typically they were carried by shepherds, where there are a variety of designs, from the French Pillar Sundial to the Tibetan Time Stick.

12 Pocket Sundials

Just like the Empire State building the Burj Dubai is opening after a crash, only it is twice the height. Here are our picks for a visual record of the construction of the world's tallest structure, from its 200 foot deep foundation to a video from the crows nest at the top of it's spire.

construction of the burj dubai

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

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.

images of the worlds largest crowds

The fact that if a nuke is used to extinguish the Deepwater Horizon leak, it will be the 6th time this has been done speaks volumes of how extreme the technological requirements of our fossil fuel dependence.Oil and gas require a gargantuan infrastructure of superlative technology that permeates every level from extraction to dispatch, from hellish looking oil drill bits, drilling rigs that are the size of cities, storage tanks the size of cathedrals and pipelines that rival the Great Wall of China.The extreme environments that this technology operates in require unsinkable boats, skyscraper sized structures in some of the world’s least inhabited places and firefighting tools that include large bombs and fighter jet engines.Pause for a moment and reflect on just how unusual these objects are.

the extreme hardware of oil and gas

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

Amazingly, the existence of the unsuccessful Soviet moon landing program was secret until the fall of the USSR. It consisted of three principal components: the N1 rocket; Soyuz 7K-L3 orbiter and LK lander.The first stage of the N1 is the most powerful rocket every built, it never launched successfully and when it blew up, it resulted in the largest non-nuclear, man-made explosion in history. All of the hardware looks similar enough to be familiar, but different enough to be slightly alien, such as the bug like lander, of which there are 5 left. All that remains of the N1 itself are a few scraps in a children's playground in Kazakhstan, but its engine type is still in existence, used by the company that formerly owned the satellite system used by Google Maps.

soviet moon shot hardware

The Olympics has become surreal, an athletic event which manages to roll up some of the world's least popular sports and make some of the world's most popular, such as soccer, capture less interest. It's all about the opening ceremony and the 100M, so the entire multi-billion dollar affair centers on 3 hours of introduction and 10 seconds of meaningful competition. It's an event where the organizers earn tens of times that of the athletes, evade taxes and create new criminal laws to prosecute those who challenge sponsors who peddle things that are bad for your health. Added to this is the absurd level paramilitary security.It used to be worse however. The security used to be an event, with Military Patrol being a sport in three games. Shown here is the rather disturbing image of the German medal winning Military patrol team, between WWI and WWII. Other dubious shooting contests included killing pigeons (as well as racing them) and dueling, where two competitors would try and shoot each other in the face with wax bullets.Several of the demonstration sports are straight from Monty Python territory: Fire Fighting, Cannon Shooting and Kite Flying. But my absolute favorite are the little known arts medals. Walter Winans was one of 2 people to win both sports and and arts medals, for sculpture and deer shooting and Brooklyn's Marine Park was the subject of Charles Downing Lay's Olympic silver medal in Town Planning in 1936.I seen several sites doing a similar list to this, however I spent a long time trying to pick up the best selection including a few that were missed elsewhere. Enjoy.

12 absurd olympic events

Inflatables are an obvious choice for space vehicles and satellites, a small sized payload than can be inflated once up, yet for some reason they aren't the norm.The first passive communications satellites were inflatable spheres, such as the Echo series, which mylar was developed for, and early prototypes for space stations were inflatable. More recently, funding for the inflatable replacement for the habitat unit on the space station was cancelled and a private company Bigelow Aerospace is now the pioneer in the field, having successfully launched an inflatable unit.My favorite in this list, however, is the grid sphere satellite which replaced the Echo ones which didn't stay up long becuase the suns heat would deform them and slow them down. A helium inflated plastic balloon expanded a signal reflecting hollow geodesic mesh, with the plastic then dissolving under the suns rays. The mesh could then stay up for 11 years or so.

12 space inflatables

Acrylic cases, cut aways and even solid glass mechanisms, allow for transparent enclosures where you can see the intricate workings of a machine.This tradition of 'skeleton' cases comes from watch making, but there are versions of everything from Nikon cameras to cars that show off their innards. In putting together this collection we were trying to imagine if you could have a fully glass house (several have been designed, none built) where every item in it was as translucent as possible. Vote for your faves and recommend any we can add.

25 naked gadgets

There is a saturation point where individual pieces of graffiti become a texture, when things are absolutely covered in graffiti. This tends to happen in places that are charged with emotional energy, such as the Berlin wall, however here are some less well known places. From the throne of England which is covered top to bottom in hundreds of years old carved graffiti and equally aristocratic Harrow School which features a wood paneled classroom where every inch is covered by pupils who have carved their names, including Winston Churchill to pop culture shrines such as U2's former recording studio and Elvis' Graceland and not so pop Oscar Wilde, whose grave is covered in kisses.

graffiti covered

Fixed-gear bicycles, without gears or brakes were created for the controlled environment of a velodrome. This environment could not be more different from hilly San Francisco or car ridden New York, but their appeal as being both stripped down and minimalist as well as requiring considerable risk and commitment to learn to ride has made them fashionable in hip neighborhoods of large cities, such as New York's Williamsburg.This has lead to an interesting morphing of a classic post-war track bike design, to city fixies which inevitable become like beefier road bikes to be ridable and more recently to celebrity endorsed and/or fashion branded, limited edition products.The stunningly beautiful 1950's Cinelli, Italian team bike, best represents the classic track bike and the solid titanium saddle and merlin frame captures the road-bike-in-denial urban fixie (albeit, without the current vogue of sawn off straight handle-bars). The fashion house branded versions include graffiti artist, Futura's Colnago track frame, a Kid Robot bike a Fuji and Obey fixie and the surprisingly nice Nike AF1. The fashion bikes are particularly odd, because they are created by designers rather than bike enthusiasts and mix and match components purely on the basis of how they look. In this sense the transition of fixies from track to urban messenger to fashion designer is a continuous trend away from ergonomics to superficiality.Vote for your faves, ours is the 59 Cinelli.

the genealogy of fixies

Flying helmets are interesting because they demonstrate the rate of technological progress over the 20th century, from primitive, almost medieval looking leather caps to sophisticated cyborg like devices packed full of electronics. They also show different air force cultures, from spartan Soviet styles to individualistic, decorated and painted US fighter pilot helmets.

flying helmets

When gold prospectors first ventured to California, the equivalent of a hot tub meant farting in a zinc trough full of tepid water. Today it means an object reminiscent of CERN's LHC particle detectors, with several hundred jets, built in 40 inch plasma TVs and seating for ten.We put this list together largely because there is something fascinating and supremely gadgety about the variety of arrangements of body shaped molds and strategic placement of jets, that when laid out side by side, in a gallery, seems particularly impressive. This type of space ship like hot tub design seems like something unusual enough to define a time and place, like fins on 50s cars or undulating water beds from the 70s.

spaceship like hot tubs

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Category: 'clocks and watches'

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.

Sometimes, making things simpler makes things more complicated. Like telling the time on willfully minimalist watches. Watches can be minimalist and functional, but the examples here put form over function where the aesthetic gain may be questionable. There is one of these we actually really like, but we are not telling which.

People sometimes make fun of the Swiss, since all they are famous for inventing is the Cuckoo Clock. Which is not really fair, because they didnt - the Germans did. Here are some post modern alternatives (both intentional and accidental) to the classic Black Forest Cuckoo Clock.

Atomic clocks are accurate to within one second since the period in time when humans and apes diverged. These clocks are literally what makes modern civilization tick, but few people ever see one. Their accuracy is necessary to overcome potential errors caused by relativistic effects in GPS satellites, for example. Here is a gallery of some of the more interesting atomic clocks. Vote for your faves.

An Alarm clock is one of those gadgets that is simple enough to warrant a thousand different design variants. Here are the ones we consider most innovative or fun.Be awoken by a muezzin or a drill sargent and switch off by feeding money, doing a puzzle, diffusing a bomb, stepping on scales or grabbing a swinging pendant. We've included everything here except the Clocky, which you can see on a hundred thousand other blogs. Vote for your faves.

The earliest wrist watches were made for soldiers, where fumbling around for a pocket watch was dangerous. The very earliest examples were from the Boer War, however the idea caught on in the first World War.Some of these watches were actually designed to be worn around the leg (for airmen), and many have the distinctive protective grille that gives them a medieval look.

Really complicated, and really expensive swiss watches are called grand complications based upon strict criteria.These are often based upon the gravity compensating tourbillon mechanism that isn't strictly needed for a wristwatch but is insanely complicated so people build them to show off their skills as watchmakers.This is the kind of gadget that gazillionaires with enough taste to avoid diamond encrusted ones buy when they fly into Geneva. They look very James Bond - except that they cost ten times as much as his humble Rolex or Omega, often costing more than $100,000 each.