Senior Forum's Useless Information Exchange

A second is called a second for a reason.

The first division of an hour is by minutes. If you divide minutes, the next measurement is by seconds. The term “seconds” derives its name from being the second way to split an hour.
 
Don M. said:
Perhaps the most "irrelevant" topic I've seen on this forum was a couple of years ago when a poster asked "Do you mount your toilet paper such that it unrolls Over or Under?" That guy finally left this forum, and I kind of miss him....he made everyone else look like a genius.
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I'm sorry Don M, but this is of great importance. Some misguided people actually mount their toilet paper, UNDER. This may not meant much, now; but there will be a time when you naturally reach for an "over", and be dashed to the ground by an UNDER. Oh, the humanity!~
 
glenfinnan-viaduct..jpg
In the Harry Potter and the Prisoner of Azkaban movie, the train is stopped by dementors searching for Sirius Black. The experience causes Harry to pass out on the train. The real world filming location for “the Harry Potter bridge”, is the Glenfinnan Viaduct.

The viaduct is built from mass concrete, and has 21 semicircular spans of 50 feet. It is the longest concrete railway bridge in Scotland at 416 yards and crosses the River Finnan at a height of 100 feet. The West Highland Line it carries it as a single track, the viaduct is 18 feet wide between the parapets. The viaduct is built on a curve of 792 feet.

The concrete used in the Glenfinnan Viaduct is mass concrete, which unlike reinforced concrete does not contain any metal reinforcement. It is formed by pouring concrete, typically using fine aggregate, into formwork, resulting in a material very strong in compression but weak in tension. It was the first bridge ever built using mass concrete and earned contractor, Sir Robert McAlpine the sobriquet: Concrete Bob.

A long-established legend attached to the Glenfinnan Viaduct was that a horse had fallen into one of the piers during construction in 1898 or 1899. In 1987, Professor Roland Paxton failed to find evidence of a horse at Glenfinnan using a fisheye camera inserted into boreholes in the only two piers large enough to accommodate a horse. In 1997, on the basis of local hearsay, he investigated the Loch nan Uamh Viaduct by the same method but found the piers to be full of rubble. Using scanning technology in 2001, the remains of the horse and cart were found at Loch nan Uamh, within the large central pylon.
 
AZ Jim said:
The Great Wall of China is 5500 miles long.
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Beginning of the Great Wall of China
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End of the Great Wall of China
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