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Post up facts and things that hardly anyone knows...... (for entertainment purposes only. NO need to fact check)

DNA confirmation
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Wendy Williams
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Morlock from "The Time Machine"
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While it’s impossible to note just how many children Genghis sired, a 2003 study posited that Genghis Khan’s DNA could be found in 8% of Asian men along the Y-chromosome, a number large enough to account for 0.5% of the world’s total male population.
Jeezus....he spread more DNA than Charlie Sheen!!! :rofl:
 
Fact-checking is a form of mental illness.......go ahead, look it up. :lol:
 
Fact-checking is a form of mental illness.......go ahead, look it up. :lol:
That meme sure gained traction and for good reason.
"Fact checking only gained traction once the facts started to threaten to tell the truth".
 
A Jiffy is an actual measurement of time equivalent to 1/100 of a second.

The earths rotation is slowing down. This means that the length of a day increases by around 1.8 seconds per century. 600 million years ago a day was only 21 hrs long.
 
Roman Time
The Romans divided the day into 12 hours, both during the day and at night.
The length of each hour varied by season and latitude.

In the winter, hours were shorter, and in the summer, hours were longer.

For example, at the winter solstice, an hour was about 45 minutes, and at the summer solstice, an hour was about 75 minutes.

The Romans knew that their timekeeping system was imprecise, but they didn't create a more accurate system until the second and third centuries BCE.
 
American based Atlas Air has the world's largest fleet of Boeing 747 aircraft, 54 of them, including the last four that were built. This is the final one off the assembly line. Note that there aren't any passenger windows, as this is a freighter.
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I got to see the very first - 8 they took delivery of while working in Hong Kong. The cargo deck looks like it's a half a mile long when standing in the nose looking aft. Very impressive.
 
That 747-8 is 231 feet and 10 inches long, nearly twice the length of the first Wright brother's powered flight of 120 feet.
 

Scotch Tape​

Richard Drew, the inventor of Scotch tape, cut his teeth as an inventor by creating masking tape in his spare time. In his first job as a lab tech at 3M (known then as Minnesota Mining and Manufacturing), he delivered sandpaper samples to auto manufacturers, and after hearing many an auto painter curse over their DIY masking solutions, he decided to design the perfect tape. He worked on it at 3M at first, but after he was scolded and told to get back to work, he continued the project at home. Drew eventually made his masking tape from crepe paper, cabinetmaker’s glue, and glycerin in 1925, and got a big promotion.

Another industrial problem came to his attention soon after: Bakeries had started using newly invented cellophane for packaging, but had nothing attractive to seal it with. So Drew started experimenting with a clear tape. The adhesives he used on the masking tape looked brown, so he had to invent a new type of adhesive to make sure the tape stayed clear. The result was a cellophane tape with adhesive made from oil, resins, and rubber. As the story goes, the name “Scotch tape” was inspired by an early version of Drew’s masking tape, which had adhesive only on the edges, causing one auto painter to ask why Drew was so “Scotch” — a slang term for “cheap” at the expense of Scottish people. Scotch tape debuted in 1930, right at the start of the Great Depression, and as more and more households had to be thrifty and resourceful to survive, the product came along right in the nick of time. People used Scotch tape for everything from mending clothing to capping milk bottles — and even repairing cracked eggs.
 

Car Radios​

In 1928, Paul Galvin co-founded a radio parts manufacturing company along with his brother, Joseph. When the Depression hit, households stopped buying noncritical items such as radios, so Galvin had to think fast to save his business. He noticed that car sales hadn’t dipped — people had come to rely on their vehicles — and he figured that inventing a car radio could be a good bet. (Car radios had been attempted before by other companies, but were too cumbersome and expensive to be viable products.) After landing on a solid design at a price that would actually sell, Galvin and his team mounted the new radio on his car and drove all the way from Chicago to Atlantic City, New Jersey, to attend the 1930 Radio Manufacturers Association Convention. They didn’t even get a booth; they just parked the car and cranked up the radio. It may seem counterintuitive that a luxury add-on would thrive during a time of extreme economic hardship, but the car radio took off. The team called their radio the Motorola, and their company eventually took the same name.
 
The weight of a monarch butterfly can range from 0.27 grams to 0.75 grams.

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