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oobject: 'daily user-ranked gadget lists'
Before electricity, lighthouses relied on lamps that would almost be considered mood lighting by today's standards. Mechanisms were clockwork and had to be wound as often as every two hours. In the 19th century, Fresnel designed a lens that could focus this light into parallel rays and project it horizontally, dramatically improving lighthouses. By the end of the century, all lighthouses had Fresnel lenses classified into orders, with first order being the largest and most impressive.These days lighthouses use less elaborate lamps such as the beacons found at airfields, or even powerful, but unremarkable to look at, LEDs. Here is a list of some of the most beautiful and important lights ever made, including some 1st order beauties that stand 20 feet tall, and were floated on a mercury bed. There are no descriptions of each item, for this chart, as the images speak for themselves, however, the sites linked to have information about the lighthouses where they came from.

15 beautiful lighthouse lights

Bat houses are like slimline bird houses on stilts. It seems that bats will slither into folder sized slots, and a phone box sized house will carry tens of thousands of bats. Something to think of, if you want to annoy your neighbors. Along with the houses are some artificial bat caves, built by bat men and bat women, such as the Dorset Bat Group.

16 bat houses and bat caves

What makes clay models so special, is that they are the one-off original designs. In theory they are the priceless, original works of art and the production cars are the prints.The traditional process of manually refining the design of a car using clay over foam formwork, is still used even today, when CAD has replaced most drafting. Clay designs are often produced directly from computer milling and usually tweaks are fed back into the CAD design

12 clay car mockups

What a tech bubble needs is bubble cars like these classics from the 40s to the present. Perhaps they should replace the Google bus with a 1958 Goggomobil?

Bubble Cars

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

A three year challenge to recreate the equipment used by Mallory and Irvine in their ill fated attempt to climb Everest in the 1920s revealed that they were adequately clothed, wearing an unbelievable number of layers, as shown in this list. Today, the number of layers has changed as have nearly all the materials used for Everest kit, with high tech, breathable yet waterproof fabrics and lightweight alloys. The extreme requirements of Everest are a good way to demonstrate technology and design innovation through history.

equipment to conquer everest through history

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

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

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.

10 classic gerry anderson scifi toys

If there was one cassette deck to own, it was a Nakamichi. With the release of the model 1000 (its number reflected its high price) in the early 70s, reel-to-reel tape recorders were rendered all but obsolete, for consumers. With the release of the 700 Nakamichi created a functional and design classic.Because cassette tapes are in the gap between vintage retro and mere obsolescence, Nakamichis can be picked up for a reasonable price on Ebay.

8 Classic Nakamichi Cassette Decks

The world is truly a small place when the Inuit, Bedouin tribesmen and Tibetan nomads all have HBO. The wonder of satellite transmission creates a perfect juxtaposition of old and new as space age technology meets traditional lifestyles than haven't changed in centuries - apart from the ability to watch Battlestar Gallactica in Outer Mongolia. Here are ten examples of traditional dwellings with satellite dishes.

10 mud huts yurts tents and an igloo with satellite

A bicycle makes for an excellent machine even when stationary, something that is shown nowhere better than in the home-brew design phenomenon of bicycles and knife sharpeners. This is a design typology that spans continents and traces back to 19th century pedal powered machines. Here are our favorite examples from around the world.

12 Knife Bikes

To recreate the General Lee from the TV series the Dukes of Hazard, you need: 12 cans orange spray paint; one 1 sticker; one 1969 Dodge Charger. This is what you get if you just have the sticker and the paint. Vote for the worst.

worst general lee

Cargo holds are often impressive, cavernous spaces containing strange and interesting objects and equally interesting when empty, often displaying a stark minimalist beauty. They are iconic spaces which often feature in video games and in science fiction, perhaps most famously in Aliens. Here we show our favorites from the real world including giant cargo planes, ships holds that have been turned into a restaurant and a theater and, of course, the Space Shuttle cargo bay.

12 cargo holds

Its strange to think that the now obsolete VCR or VTR has a half century history, from the giant Ampex and RCA machines used in TV stations to the multiple, competing format, consumer cassette players that culminated in the dominant VHS standard.Today you can by a DVD player for the same price as a DVD itself, due to the small number of moving parts and emerging market labor. However, VCRs were always relatively expensive because of their complex mechanisms, latterly involving gimballed rotating heads.In terms of design, aside from the robust utilitarian looking professional models, VCRs were ugly devices from the outside, but complex marvels inside.There are several great sites dealing with VTR history, including the excellent: http://www.totalrewind.org

a visual history of video recorders

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

There are plenty of interesting unbuilt projects for some of the world's most famous cities, but there is something particularly unsettling about alternatives for things that were build. Some monuments are so iconic that their alternatives seem like sacrilege.Included here among various alternatives for Tower Bridge, the Washington Monument, The Chrysler building and St. Paul's Cathedral are proposed extensions to the White House, a 5 million tomb alternative to London's famous Victorian cemeteries and a particularly uninspiring second place entry for the Sydney Opera House competition. My personal favorite, however is the Triumphal Elephant which could have capped off the Champs Elysees in Paris. If someone could only find the rejected competition entry for what became the Eiffel Tower, which consisted of a giant replica of a Guillotine.

12 alternative versions of famous monuments

A collection of ‘personal helicopters' and flying machines.As the T-shirt says - 'the is is the future, where is my Jetpack'. It seems that Jetpacks are basically dangerous, and since the appearance at the Los Angeles Olympics, nothing much has happened. Still, there are two manufacturers that will actually build one for you, for $250,000, and you can buy a glorified fan that will propel you on an ice rink at the same speed as a puck.If you want rotor blades rather than rockets, the current options are a bit cheaper and more practical, but are still less cool than the Soviet Fold-up helicopter, from the Cold War era.

12 flying machines

Aside from the POV Parkour here, non of these videos involve super human skills, Spidey Senses or Red Bull addiction. I actually prefer the seemingly bland but interesting ones such as strapping a GoPro to a dog, hula hoop, time lapse of the view out of a commercial flight or RC car in Walmart to endless surfing videos

12 Creative Uses of a GoPro

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Category: 'robotics and cyborg'

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.

The fetish aspect of external, insect-like skeletons has made them a staple of science fiction. However, the utility is real, from the incredible Japanese Enryu rescue exoskeleton, which looks like a loader from the Aliens movie, to brain controlled limb enhancers for the para or quadraplegic.

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).