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You probably have ever strolled alongside the Macclesfield canal you might have walked throughout a ‘snake bridge’, like the only above, by which one aspect of the towpath spirals backward.

The query is: why did they construct bridges like this?

These days’s demanding situations are opposite engineering image puzzles. You might be introduced with illustrations of 5 curious buildings, and your job is to determine why they have been in-built that means. First forestall, Cheshire.

1. Curly crossing

Representation: Kvantik

The Macclesfield canal opened in 1831 and it options a number of ‘snake bridges’, or ‘roving bridges’, the place the towpath is going from one aspect to the opposite in a loop, like the only illustrated above (and photographed on the most sensible of the tale.) Why have been they constructed like this? Take into accounts what the canals have been at the start constructed for, and search for clues within the image.

2. Crazy trains

train track puzzle
Representation: Kvantik

In some puts on this planet educate tracks make a large loop after which cross beneath themselves. Why?

3. Puzzling Polynesians

catamaran puzzle
Representation: Kvantik

Why did Polynesian boatbuilders make canoes that gave the impression of the only above?

4. Tough trams

Representation: Kvantik

Why are the tram’s overhead cables situated to make a zigzag, slightly than instantly line?

5. Perplexing pipes

Representation: Kvantik

In Russian towns, maximum central heating is supplied by way of pipes that experience sizzling water or steam pumped via them from heating crops a distance away. Why do those pipes once in a while have peculiar bends in them, like the only above?

I’ll be again at 5pm UK. Please NO SPOILERS. As a substitute, please speak about your favorite examples of engineering ingenuity.

These days’s puzzles have been steered by way of Nikolai Andreev, a Russian mathematician who ultimate month received the Leelavati Prize, an award given by way of the Global Mathematical Union each and every 4 years to recognise “remarkable contributions for expanding public consciousness of arithmetic as an highbrow self-discipline and the an important position it performs in various human endeavours.”

Andreev was once counseled particularly for the unfastened useful resource Mathematical Etudes which has many superb movies explaining mathematical and mechanical phenomena. He additionally works intently with Kvantik, {a magazine} about maths and physics geared toward number one faculty youngsters, and from which the entire illustrations above are taken.

Due to Nikolai Andreev and Kvantik for permission to make use of the illustrations.

I set a puzzle right here each and every two weeks on a Monday. I’m all the time at the look-out for excellent puzzles. If you need to signify one, e mail me.

Football School Greatest Ever Quiz Book

I’m the writer of a number of books of maths and puzzles, and likewise the co-author with Ben Lyttleton of the kids’s ebook sequence Soccer College. The most recent within the Soccer College sequence is The Biggest Ever Quiz Ebook, out now!

I give faculty talks about maths and puzzles (on-line and in particular person). In case your faculty is please get involved.

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