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oobject: 'daily user-ranked gadget lists'
ts very hot today, so we are giving you some visual ice cream - massive railroad snowplows. These devices which are both terrifyingly impressive, when in action (as the video in the list shows) and dramatically beautiful to look at either in the fan-like rotary versions or the futuristic wedge shaped models. Some of these plows are still being used, having been built in the 19th Century.

20 railroad snowplows

Unlike today's universal cigar shaped commercial airliners, early aircraft took lots of design forms as people experimented with different principals. This is a normal trend in design, however the image of multiplanes (those with many wings) collapsing as an icon of naive understanding of flight masks an ironic truth.The most ridiculous looking items in this list are the three flying ‘venetian blinds', constructed by Horatio Phillips between 1883 and 1907, the last of which, with more than 50 wings, looks more like a wooden building frame than an aircraft. Phillips, however, was the first person to truly understand the science of flight and aerfoil shapes, so these mark one of the more rational developments in aviation history.

15 aircraft with lots of wings

Kowloon Walled City (KWC) was a 10-16 storey monolithic 6.5 acre city block in the flight path of the old Hong Kong airport, that housed somewhere between 35,000 and 50,000 people when it was finally demolished in 1993. 30 times the density of Manhattan with no streets and little daylight, it was a rat infested, cockroach ridden filthy labyrinth. KWC was a no-man's land that fell neither under British Jurisdiction nor Chinese, where Hong Kong's appetites for the 3 vices: prostitution drugs and gambling could be satiated, but where ordinary families lived alongside nearly 800 factories and shops. It had 161 unregulated doctors and dentists along with food producers from whole pig roasters to the suppliers of most of Hong Kong's fish balls. Most of the people that lived in KWC never left.Dozens of sites have covered KWC before (as have we), but its such a strange and unusual Oobject that we've trawled through hundreds of sites to try a pull together a list of our favorite images and links which succinctly describe it.

Kowloon Walled City Guide

The first early warning systems were large concrete dishes which focused the sound of incoming Zeppelins towards listeners wearing stethoscopes, during WW1. Today's nuclear attack early warning systems are largely satellite based infra red detectors and airborne dishes, mounted on planes and helicopters. They have made a vast array of geodesic domed, Cold War radar installations obsolete, where they remain abandoned in some of the most isolated places on earth such as Greenland and Northern Canada.

early warning systems

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12 dental training heads

March 30th, 2012 link to (permalink)

Manikins used for dental training are either deep into uncanny valley (creepy) territory if they try and look at all realistic, or just plain terrifying in their more abstract incarnations. A lot of this is just becuase (a) people are very good at interpreting faces and anything face-like seems possessed, (b) dental manikins have to bare their teeth so often have bizarre expressions. Anyhow, they are quite interesting, particularly the vintage metal ones which are a nastily grotty and beaten up.

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