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oobject: 'daily user-ranked gadget lists'
This may seem like an overly esoteric oobject, but there is something interesting about the shape of a hairdryer - an item designed largely as a female beauty product that is often shaped like a gun or looks like sticking your head in a jet engine. One of these is actually shaped like a gun. The most interesting ones I could find were the machine age chrome ones or some of the more bizarre soft bonnet versions.

vintage hairdryers

Todays welding is a long way removed from the video included here of forge welding at the beginning of the 20th century., where dissimilar metals were headed and beaten together with hammers. State of the art robotic welding machines can perform an intricate ballet of hi tech gadgety bravado, including the incredible remote welders which are shown spot welding materials several feet away, with laser beams.

12 videos of welding machines

These are possibly the most impressive gadgets on earth, beautifully complicated, polished stainless steel instruments that employ electron, x-ray, and ion probes, often in combination with depth profiling techniques, for surface analysis. They are the instruments featured on the covers of science lab and university brochures and are exactly what I want for my birthday. Vote for your faves.

12 ultra complex surface analysis systems

A gallery of products using radioactive materials.Because radiation was seen to be new and powerful, at the beginning of the 20th century radioactive material was used in products such as face creams, mineral water and medicine, by equating power with rejuvenation. For similar reasons it was even used in items from spark plugs to condoms. Although many of these items are from an age when the dangers of radiation were not known, radiation is obviously useful as a healing tool for cancer therapy, but it is still used in legal Chinese remedies, which are respected more because of their age rather than efficacy and quack homeopathic medicines which are tolerated while unproven, because they are harmless water.Vote on your fave examples.

14 radioactive products

Chandeliers are all about opulence and excess. When decoration became cheap to mass produce, in the early 20th century, minimalist modernism was in and things like chandeliers were out. The tide is turning, now that Ikea can stamp out designer modernism for the masses, designery magazines are starting to show decorative things now. Bu why buy a horrid crystal monstrosity for $10K when you can make a chandelier out of almost anything. Here is a selection of chandeliers made out of inexpensive things or found objects - including human bones.

17 found object chandeliers

RIP Google Phone, long live concept phones. A roundup of the best cellphone concepts and prototypes. Vote for your fave.

22 best concept cellphones

From giant wind blown animal sculptures to an armored mechanical shark. The number of possible entries in this list is huge. Here is a selection of some of our faves, vote for yours.

Mechanical Animals

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

The original wireless network used pigeons. One of the worlds largest information firms, Reuters actually started out as a messaging service with carrier pigeons, they were used widely for messaging during the WW1 and even for aerial photography. The famous psychologist, Skinner worked on a guided missile which was to be controlled by live pigeons.

the pigeon net

The hovercraft will be 50 years old next year. Like supersonic, interplanetary and deep sea travel, the demise of the world's largest hovercraft the SR-N4, joined Concorde, the Saturn V and the Trieste as examples of technological retreat.The SR-N4, which was operated by two companies, for many years, to transport people across the English Channel, could carry over 30 vehicles and 250 people. What made these hovercraft particularly unusual is that they represented an example of a design where the civilian versions were more extraordinary than those used by the military, which are still smaller, even today.

18 hovercraft designs

Innovations in lighting design are often gimmicky or merely a case of LED everywhere. This list illustrates where lighting is sculptural and integral to architecture, from a night club made of glowing bricks, Daniel Libeskinds wireframe architectural chandelier, the amazing Lighthive exhibition at the Architectural Association and futuristic light sculptures by Kalle. Our LED example creates a grid of LED points that appear to float in mid air.

17 architectural light sculptures

Thanks to an intrepid group of urban explorers, some of the most magnificent hidden engineering triumphs that lie, hidden, beneath the streets of the worlds cities are being recorded and posted on underground (no pun intended) websites.Here are some of our favorite sewers and drains, from Paris tourist attraction sewers to Londons Escher-like, arched, Victorian Gothic drains, to still working ancient Roman systems and the infamous giant storm drains beneath Tokyo. Vote for your faves.

Spectacular Sewers

This is the real business end of $100 oil. An object that allowed Howard Hughes to become the richest man in the world by inheriting the patent. They are the world's most highly engineered pieces of metal. Steel, tungsten carbide or increasingly Polycrystalline Diamond Compact (PDC) toothed drill bits that, in their tri-cone, rotating head form, look like the monster spice eating Sandworms from Dune. Vote for your faves.

13 ferocious oil drill bits

Aircraft factories are gargantuan, complicated and interesting.The Boeing Everett factory, where the Jumbo Jet was built and the Dreamliner is being built is the largest volume building in the world. It has a floor plan of 100 acres, enough to fit more than a thousand family houses inside, with doors that are the size of football pitches.Included alongside Everett are a variety of factory shots of famous planes from Concorde to the Virgin Galactic space craft, the Blackbird and the B2.The shots of wartime assembly lines, which churned out aircraft at a rate associated with car assembly in environments that look like computer rendering from video games lines, include the famous secret factory at Burbank which was hidden under a fake hillside.

aircraft factories

Unlike the obvious candidates, such as the Flatiron or various svelte skyscrapers, these buildings aren't famous pieces of architecture, but accidental vernacular gems which seemingly defy gravity.

8 super skinny buildings

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

Robots often look insect like, largely because of their jerky movements and exo-skeletal look, both of which are a result of them often being works in progress at the individual and overall state of the art. Making them climb walls and hang effortlessly off a ceiling just adds them looking particularly bug like.There are a variety of movements and gripping mechanisms, from electromagnetic to air suction, however our favorite is the friction based tree climber.

15 wall climbing robots

Nothing less than human made lightning. The massive fields generated by resonance between pairs of stepped up induced capacitors create potential differences greater than the resistance of air between the coil and a nearby conductor. This allows fractal currents to flow as the air itself conducts and ionizes.Although Tesla coils are largely created for fun by dedicated enthusiasts, they originally had a real purpose in mind. Tesla figured that he could create a wireless electrical grid and went as far as to build a tower on Long Island that would be its first transmitter. The idea was never realized, however in Russia really large scale wireless power networks were actually tried, as can be seen in this list.Vote for your faves.

16 crazy tesla coils

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Category: 'toys'

Toys are a particularly rich source of irony, but this list exceeded all expectations from the hilarious ‘safe, harmless, giant atomic bomb’ to the atomic reactor which requires a battery, but the atomic bomb dexterity game which requires kids to target Hiroshima and Nagasaki is just plain sick.

Sometime in the last few years bored programmers realized that they could strap things like chairs and surfboards to the end of an assembly line robot – and so was born the robocoaster. Here are some videos of them as actual rides and as a recreational high for coders.

I didn’t go for just massive or complex for the items in this list but tried to pick a variety of water slides that were each special in their own way. Items range from the obviously impressive ‘Insano’ in Brazil to various sinewy beauties and the simple but surreal canal side water slide in the Netherlands, which looks like a post modern take on a 17th Century Dutch landscape painting.

They don't make cheesy electronic board games like they used to. You might remember playing Clue with your friends in your adolescence, but these 12 retro electronic board games are under the radar and long forgotten. Whether it's racing against the clock to overcome the Omega Virus or shopping in the clearance section in Mall Madness, these games are sure to bring back some fond memories.

The Saturn V rocket was something the size of a skyscraper could survive being thrown into orbit, undamaged. 40 years after the Saturn V powered trip to the moon, nothing as powerful exists today.Years ago Airfix made a model of a Saturn V which I lusted after as a kid and Revell have now re-released their original 1:96 version and a 1:144 one which is the same size as the old Airfix. We tracked down the best Saturn V models that you can buy or have been built, culminating in auto repair man, Steve Eves' completely insane home built 40 foot high, 1600 pound monster which he actually launched, in April.

Watching robots get more and more sophisticated over half a century of commercials is fascinating. Trends evolve from the erector set inspired Mr Machine and terrifying Garloo to cute 70s robot buddies, through the Japanese dominated 80s and hip hop and rave culture inspired 90s.

Before there was Lego, there was the Erector Set. This was an altogether different type of toy that resembled genuine engineering construction with trusses and girders, rather than plastic, primary color pixelated, objects.Although Erector Sets are sold today, they are re-branded versions of a different toy. The original Gilbert sets were made from 1913 till 1967 and are an iconic toy for gadget aficionados that can be picked up relatively cheaply on Ebay. Here are 10 favorite vintage kits that are currently for sale.

You too can ruin your kids childhood, by making their happy smiley toys sound like Stephen Hawking or a bad Radiohead cover. Fitter Happier Stronger.Circuit bent Furbys are currently all the rage, however, all manner of kids toys have been circuit bent and modified, from classic Texas speak and spell machines, to a device called feces farm. Vote for your faves.

The Wall of Death ride, where centrifugal (or counter-centripetal as physicists tell us we are supposed to say) force allows a motorbike rider to circle a vertical wall is an iconic daredevil attraction that has been preserved by a few dedicated enthusiasts. Traditionally a wooden cylinder provided the circuit for a classic Indian motorcycle, however vehicles such as cars and go carts have been used in tracks that are now often spherical cages.

Gerry Anderson is a cult TV figure because he took the unfashionably low tech world of puppetry and applied it with such skill and design flair to science fiction subjects that the results were highly original and imaginative. From the late sixties to late seventies, Dinky Toys produced die cast model toys of some of the more memorable Anderson craft from Joe 90, Captain Scarlet, Thunderbirds, UFO and Space 1999. They are now highly collectible. Vote for your faves.

Vote for your favorite Lego stop motion animation or time lapse construction video. Included are a 5 week 250,000 piece project and some great video recreations including a bizarre recreation of Bohemian Rhapsody.

Ray guns originated in the US in the 30s, from shows like Buck Rogers. What makes them a particularly interesting object is that despite, for all practical purposes, having never existed, there is an almost endless variety of designs for toy ray guns, from around the world.Here are some of the best we could find. Most are for sale, and are posted without description, since the images speak for themselves.