What was the first commercial product to have a bar code?
40 years ago today: Wrigley gum the first product to have its bar code scanned. A 10-pack of Wrigley Juicy Fruit gum was the first item scanned for its UPC in a grocery store 40 years ago in 1974. A 10-pack of Wrigley Juicy Fruit gum was the first item scanned for its UPC in a grocery store 40 years ago in 1974.
Which is the largest freshwater lake in the world?
Lake Superior is the largest freshwater lake in the world in area (if Lakes Michigan and Huron are taken separately; see Lake Michigan–Huron), and the third largest in volume, behind Lake Baikal in Siberia and Lake Tanganyika in East Africa.
What were George Washington's teeth made of?
Over the years, Washington wore several sets of false teeth. Even though many people today believe that these teeth were made out of wood, there is no proof that he ever had wooden teeth. His dentures were made of many things. They were often a combination of human teeth, animal teeth, and ivory.
How fast is Mach 1 at sea level?
At Standard Sea Level conditions (corresponding to a temperature of 15 degrees Celsius), the speed of sound is 340.3 m/s (1225 km/h, or 761.2 mph, or 661.5 knots, or 1116 ft/s) in the Earth's atmosphere.
When did Puerto Rico become a commonwealth?
Puerto Rico has been a U.S. possession since 1898. It became a commonwealth in 1952. Puerto Rican citizens became U.S. citizens in 1917.
What fruit goes well with lamb?
Hearty lamb can stand up to both fresh and dried fruits with bolder flavors, such as apricots, cranberries, dates, figs, pomegranates, prunes, and raisins. Sweeten lamb shoulder with dried apricots when you make this Middle Eastern-Style Lamb Stew with Dried Apricots.
Where is curling from?
Curling was invented in medieval Scotland, with the first written reference to a contest using stones on ice coming from the records of Paisley Abbey, Renfrewshire, in February 1541.
How long have sharks been in the ocean?
Sharks have swum in the oceans for almost 450 million years. But longevity is only part of the story. That extra few million years of evolution have enabled many shark species to develop some extraordinary abilities as perfect predators.
How much does the world's largest elephant weigh?
This male weighed about 24,000 lb (11,000 kg), with a shoulder height of 3.96 meters (13.0 ft), a metre (yard) taller than the average male African elephant. 3. The elephant's gestation period is 22 months, the longest of any land animal.
Who is Athens named after?
The Athenians, under their ruler Cecrops, accepted the olive tree and named the city after Athena. A sacred olive tree said to be the one created by the goddess was still kept on the Acropolis at the time of Pausanias (2nd century AD).
Are crayfish and crawfish the same thing?
Crayfish, also known as crawfish, crawdads, freshwater lobsters, or mudbugs, are freshwater crustaceans resembling small lobsters, to which they are related; taxonomically, they are members of the superfamilies Astacoidea and Parastacoidea.
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