Out to Dinner Mathematics

First pick the number of days a week that you like to eat out (it has to be more than 1 & less than 10)

Multiply that number by 2
Add 5
Multiply by 50
If you already had your birthday this year then add 1754, if not add 1753
Subtract the 4 digit year that you were born

Results = The first number should be the original number you picked for the times that you want to go out to dinner per week and the last 2 numbers is your age.

Inventions:

• In 1948 George de Mistral of Switzerland was out walking his dog. After finishing the walk through the woods he noticed that burrs were stuck in his wool pants as well as in his dog's hair. he looked at the burrs under a microscope and saw that each contained hundreds of hook-like devices. This gave him an idea and he came up with Velcro. Velcro was patented in 1955. George was always the curious and inventive type. He received his very first patent at the age of 12 for a toy plane.

• The first envelopes with gummed flaps were produced in 1844. In Britain, they were not immediately popular because it was thought to be a serious insult to send a person's saliva to someone else.
  
  
• Levi Hutchins of Concord, New Hampshire, invented the first alarm clock in 1787. It only rang a 4am, because that's what time he got up.
  
  
• The first Band-Aid Brand Adhesive Bandages were three inches wide and eighteen inches long. You made you own bandage by cutting of as much as you needed.

Did you know?

• As of 1940, a total of 90 patents had been taken out on shaving mugs.
  
  
• When airplanes were still a novel invention, seat belts for pilots were installed only after the consequence of their absence was observed to be fatal - several pilots fell to their deaths while flying upside down.
  
  
• When commercial telephone service was introduced between New York and London in 1927, the first three minutes of a call cost $ 75.00.
  
  
• although it took less than a decade of space travel for man to get to moon, 19th and 20th century engineers needed 22 years to design the zipper.

The facts on Teflon

• If nothing sticks to Teflon - how does Teflon stick to the pan? Scientifically speaking, Teflon will not chemically bond to anything, buy can be forced mechanically into small nooks and crannies. Manufactures first sandblast and prime the surface. ( By the way, Teflon is know in the Guinness Book of World Records as being the slipperiest substance on Earth. )

And the rest

• The first coin-operated machine ever designed was a holy-water dispenser that required a five-drachma piece to operate. It was the brainchild of the Greek Scientist Hero in the first century A.D.
  
  
• The first commercial vacuum cleaner was so large it was mounted on a wagon. People threw parties in their homes so guests could watch the new device do its job.
  
  
• The first ballpoint pens sold in 1945, were priced at $ 12.00 a piece.
  
  
• Early hand-held lights used carbo-zinc batteries that did not last very long. To keep the light burning required that the user turn it on for short time and then turn it off to allow the battery to recover. That's how they originally became know as a "Flash Light."
  
  
• Early mattresses were filled with straw and held up with a rope stretched across the bed frame. If the rope was tight, sleep was comfortable. Hence the phrase, "sleep tight"
  
  
• It has been determined that less than one patented invention in a hundred makes any money for the inventor.
  
  
• Canned food was invented for the British Navy in 1813, but the first practical can opener wasn't invented until 1870.
  
  
• One of the more peculiar and lucrative inventions of the 1970's was the Pet Rock. It was first introduced in 1976 and was an immediate hit. Nearly 1.5 million common smooth stones, packaged in cardboard "Pet Carries" with air holes and enclosed Pet Rock care instructions, were sold within six months.
  
  
• Ferdinand Porsche, who later went on to build sports cars bearing his own name, designed the original 1936 Volkswagen.
  
  
• Before bath tissue was introduced in the United States in perforated form in 1884, a number of outhouses in America were stocked with dried leaves.
  
  
• Britain developed the first Tanks for use during World Was 1. The word "tank" was used because it didn't mean anything, and didn't give the Germans a clue as to its possible use.
  
  
• At the turn of the century, most light bulbs were hand blown, and the cost of one was equivalent to half a day's pay for the average U.S. worker.
  
  
• U.S. paten #D219,584 was issued in 1970 to veteran movie actor Steve McQueen. He was famous not only for his movies but also for racing cars and working on engines off-camera as well. A byproduct of his racing hobby was the invention of a bucket seat.
  
  
• When using the first pay telephone, a caller did not deposit coins in the machine. He or she gave them to an attendant who stood next to the telephone. Coin telephones did not appear until 1899.
  
  
• Leonardo da Vinci invented the scissors.

Think you have it rough now, read on

• In my day, we didn't have rocks. We had to go down to the creek and wash our clothes by beating them with our heads.
  
  
• In my day, we didn't have hand-held calculators. We had to do addition on our fingers. To subtract, we had to have some fingers amputated.
  
  
• In my day, we didn't have water. We had to smash together our own hydrogen and oxygen atoms.
  
  
• Back in my day, they hadn't invented electricity. We had to watch television by candlelight.

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