"The Prague pneumatic delivering system has five main paths equipped with switches and concentrators, and 20 other direct lines. The total length of the system is 55km. It crosses the river Vltava three times. It was used to deliver packages with a weight of up to 3kg, with diameter up to 5cm and length up to 30cm, from any station to any other station by the means of the central system control room."
Take a look at the following images. Amazing? Yes. Remarkable? Absolutely! But they aren't what you probably think they are. Created by Kurt Wenner, these street-paintings use deceptive perspective to produce a remarkable illusion of having three dimensions. Just don't fall in!
"A foot of snow in Edinburgh. Nial Smith, who created the footprint in his garden, said: "I had made a sketch and I knew roughly what I wanted to do. You can see the car on the left to get an idea of the scale."
Up, Up And Away!
Here's a fun illustration at some of the successful, and just plain crazy, ways aeronautical engineers have approached the idea of vertical flight:
"Dark Roasted Blend" - All Kinds of Weird and Wonderful Things, Discovered Daily!"
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