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oobject: 'daily user-ranked gadget lists'
Here is a roundup of collectible boomboxes, currently being auctioned on ebay. The mannerist nature of 80s ghetto blasters could not be more different from today's minimalist trends in consumer audio gear, lead by Sony and Apple. Because of this, these devices now look obviously obsolete and different and are starting to become collectors items. Ugly, but interesting, and representative of their time, some are perfect examples of pointless feature driven design, something which still plagues software.

12 monster 80s boomboxes

n honor of the Frankfurt Motor Show, record oil prices and the end of Burning Man - we're doing a non car list as a green alternative.Here are the strangest bikes we could find, propelled sideways, backwards, in reverse or by climbing up a ladder. Vote on your faves.

16 crazy bicycles

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

Most of these are either clearly dangerous, such as the shoe fitting x ray machines that were popular until the 50s or show a bizarre Alien-like (as in H.R. Geiger) aesthetic that is a world apart from current medical equipment. Bug-like metal castings in place of ubiquitous white plastic.

9 vintage x ray machines

The telescopes chosen for this list are largely based on how they look, from a design perspective, rather than their scientific importance. Their unusual requirements create interesting structural engineering approaches. However, the Holmdel Horn Antenna is possibly the most interesting from both points of view, its highly unusual shape is like a gigantic ear trumpet sticking out of a garden shed, but it also happens to be the device which discovered the cosmic microwave background radiation - the echo of the big bang. I've included a view beneath the mesh of the gigantic Arecibo dish, just because I always wondered what that space was like. For the rest I've chosen ones which best display the spiky, high tech look of giant scaffolds and space frames or which are attached in impossibly top heavy ways ancillary buildings, like the giant upturned umbrella of the Parkes telescope.

18 radio telescopes

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.

12 wonderful water slides

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

Although there are many ironic underwater technologies that got there by accident, such as planes and trains or by design, underwater escape training helicopters, there are also mail boxes, telephone systems, cars, motorcycles, kayaks (yes underwater kayaks) and air conditioning units that are there just to mess with us. Here are the most surreal we could find, vote for your faves.

surreal underwater technology

Aside from their spectacular size, what makes floating cranes unusual and interesting objects is that they are essentially boats. As such, they dont exactly conjure up the idea of stability, which is the primary requirement for lifting things. They also look weird since boats usually consist of large hulls with smaller superstructure, here the arrangement is reversed making them seem very ungainly.Some of these cranes can lift tens of thousands of tons, at sea, and are engineering wonders.

10 enormous floating cranes

Ted Stevens was right, the Victorian Internet consisted, quite literally, of a ‘Network of Tubes'. Paris, London, Prague and Vienna had extensive networks of pneumatic tubes which delivered messages in capsules. In New York 5 million mail messages passed every day through an underground pneumatic system, and a network in Berlin delivered hot meals directly to people's homes suggesting that kitchens would no longer be needed in the future. Today these systems can still be purchased where they are used in places like hospitals where samples are passed between departments.

15 pneumatic message networks

Ever since the flat screen, trading rooms and trading desk setups have become more and more extreme, a symbol of the culture of leveraged trading that disappeared in today's meltdown. Here are some of the most interesting trading places and trading gear, from the slick, modern Frankfurt stock exchange, Geneva's weird trading ring that (appropriately) looks like the set for the Weakest Link game show and a ridiculous 20 screen setup for a spotty-adolescent looking Hedge Fund manager. If you are looking to get a tricked out multi screen trading setup to browse the web, the second hand market is going to look pretty good.

trading places

Something as utilitarian as a tractor is not usually designed any differently from any another tractor, unless there is a reason. But because tractors have a such wide a varied use, often very specific, such as towing aircraft or harvesting grapes, there are a huge variety of designs that are neither willful nor spurious. Here is a non-comprehensive selection of some of our favorite designs, from a Porsche designed coffee plantation tractor to the futuristic looking KLM tow tractor.

20 unusual tractor designs

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

Vehicles that are actually driven by screws were developed as all terrain vehicles for places like snow driven Siberia. In the US there were several experimental vehicles including the Fordson snow devil, built on top of a tractor. Included here are as many videos of them in action, as I could find.

9 screw drivers

Just other industries from computer software to houses, ship building has been modularized with giant prefabricated modules being constructed and then assembled like Lego. The end result is that shipping is entirely modularized from construction to containerization of cargo. Our favorite example here shows how an existing cruise liner can be cut in half and a new module inserted, to make a stretch version (for proms and bachelorette parties, perhaps?)

12 prefab ships

The picture of people hunched over radar screens is the ultimate image of the cold war. Here are a collection of various radar consoles, from land air and sea and from round analog displays with orange, green or blood red displays, to today's computer monitor versions.

12 radar consoles

The essential fashion item if you are going to the Beijing Olympics to watch people compete in air made of Jello - a gas mask. Gas masks are all more or less terrifying to look at, which is why some people get a kick out of them, creating artsy fetish masks, or artists create ironically cute masks such as Bill Barminsky's Mickey Mouse mask.The irony is on the artists, however, since genuine Mickey Mouse inspired gas masks were given to children in both the UK and the US, during wartime, to appear less scary

unusual gas masks

Some of America's best Mid Century Modern architecture is in the form of gas stations, with their simple space requirements and focus on innovative roofs.Several of the best known names in architecture have created gas stations, around the world, including Frank Lloyd Wright, Mies Van der Rohe, Willem Dudok, Jean Prouve, Arne Jacobsen and Norman Foster, but nobody created a design package that was as enduring and comprehensive as Elliot Noyes for Mobil.

Top 15 modernist gas stations

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.

9 earliest wrist watches

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

When I was a nipper… boy's pockets were filled with bits of old string a couple of bits of candy and perhaps a penknife.Now, apparently you could find anything from a DVR to a miniature helicopter in there. As part of a series about everything small, here is our pocket sized chart. Vote for your faves.

8 cool pocket sized gadgets

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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.