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oobject: 'daily user-ranked gadget lists'
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

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

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.

Top 10 Moon Rocket Models

Despite being a qualified architect, IKEA furniture assembly quite often defeats me. Hence this list of self assembling objects, from computer memory to swallowable medical procedure components to chairs, particularly appeals. Perhaps Sweden should have a dedicated research institute geared around the discipline.

videos of self assembling machines

Proving that expressions like point and shoot are not just mere metaphor. Here are some examples in the history of camera design that have lead for one reason or another to items which look exactly like guns, from early experimental cameras to sniper style Paparazzi kit to toys.

14 cameras that look just like guns

American monuments hit the sweet spot between being young enough to have been photographed while being built, but old enough that few people can remember them not being there. Because of this an entire legacy can be viewed as it was while it was being created. From the D.C Capitol building, which ironically, slaves helped to build during the Civil War, to the Statue of Liberty, which was built in France, the forgotten train Grand Central train shed, the Empire State building when it was two storeys high or the Hollywood sign before it read Hollywood, here are our picks of America’s most famous monuments while they were being built.

american monuments under construction

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.

12 retro electronic board games

The invention of the digital watch made accurate timekeeping a cheap commodity. This meant that expensive watches were a quixotic anachronism in terms of pure design. However, this very fact meant that designers were free to innovate timepiece designs for fun. In addition, the development of watch sized miniature electronic gadgetry meant that the wrist watch form factor could be used for other gadgets. For things like phones and MP3 players this has proved to be a failure, however included here are some interesting concepts for other uses for wrist devices such as insulin dosage, braille watches and health monitoring

16 concept watches

The Wienermobile is quintessentially American: pure, whimsical, 4-wheeled fun in the name of capitalism. It’s history goes rather like most design classics form Apple computers to the Coke bottle: 2 custom built homebrew prototypes (1936-40), a defining form (1958), a refinement of this to produce a classic, by a famous designer (1958, Brooks Stevens), variations on the same theme till now, with a novelty version in 2008.

all 10 wienermobiles through history

One of the most cliched images in technology is that of someone wearing a burka-like clean suit holding a raw silicon wafer, like a trophy.To complete the cliche, a favorite science photo shoot lighting effect, consists of a deep blue, purple or green background. No labs actually look like this. In reality, they tend to be shadowless environments, awash with white light, like something in between a drug store and the spaceship entrance in Close Encounters, but for some reason, pastel lighting indicates hi-tech.Vote for the most cliched image in the list.

Chip Burka People

Although the term galvanometer is often used to refer to things other than devices which measure electrical current (such as charge or resistance), there are an amazing array of early designs for this instrument, considering their simplicity.Many of these design differences are to do with the cases that surround what is basically a twisting wire, however there is something definitively analog in their mechanism and 19th century amateur scientist in their variety. Early galvanometers represent the extreme opposite of todays high energy physics, which requires giant multi billion dollar apparatuses and extreme digital processing for measurement. A long way off a compass and a battery.

different types of galvanometer

In the movies, spook equipment equals high tech and futuristic, but the reality of the external product design design is often anything but. Product design will eventually no longer be an issue. This is one of those lists where as technology improves the items become less interesting, to the point where they disappear, as encryption technology becomes software only, as with the NSAs secure version of Google's Android OS. Nonetheless standard secure phones are still provided to government officials, by the NSA, the latest model being introduced in 2008 and with hardware that looks distinctly antiquated compared with consumer technology such as an iPhone. The odd one out in this list is the US/Soviet hotline, which is arguably as much a reaction against the time it took to decode secure messages, being introduced after the delays in doing so during the Cuban missile crisis.

9 secure phones

What the list says - a collection of pod shaped enclosures from a health monitoring system, to a tree house, escape module, house, bed and office.

15 odd pods

Something went very wrong in the 18th century. A 100 year long attempt to wear the most ridiculous artificial hair involved dandies sporting macaroni and culminated in Marie Antoinette’s utterly mad ship wig. The last vestige of this is the bizarre tradition of British and colonial judges who continue to don 300 year old clothing in a profession which is supposed to be rational.

preposterous 18th century wigs

The Enigma is one of the most well known devices in the history of gadgets, being responsible for the birth of the computing industry, in attempts to crack it. This has largely overshadowed the plethora of other cryptographic devices, which are often overlooked. Here is a gallery of 20 secret message machines.

20 cipher devices

Perhaps it’s because we sometimes take the things we see around us for granted and a technical drawing of its design shows the effort that went into it that I find these Nasa drawings so interesting. That in addition to the labels saying what things do. With that in mind, i included an diagram which isn’t really a blueprint, from a Apollo 15 press kit showing how they unpacked the lunar rover – for some reason I always wondered how they did that. I also cheated with a couple of NASA project images that aren’t from NASA to show how other companies were involved – such as Lockheed’s Hubble Telescope and Boeing’s drawings of the Saturn V configuration.

12 Nasa Blueprints

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

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

Being tall and thin means that one of the common but nevertheless unusual uses of old silos is to house climbing walls. Old silo structures, from underground missile silos to towering grain stores are often interesting pieces of industrial archaeology and make unconventional architectural conversions.

buildings in converted silos

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Category: 'engineering'

Bridge layers have to be about the closest thing in the real world to a Transformer, giant fold up, extendable instantly deployable bridges that are most often fixed to modified tanks. They have been around since tanks first existed, during WW1, and are one of the more bizarre and obscure forms of military hardware. There is also something incredibly circular about a vehicle that carries its own road.

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.

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.

It seems like oil cleanup includes some of the most basic and advanced technologies, from literally hoovering it up, to skimming it and burning it, using oil eating bacteria and swarms of Roomba style oil cleanup bots.