Monday, September 2, 2019

AIRSPEED VS. GROUND SPEED - Ground speed is how fast an airplane is traveling, relative to a fixed point on the ground. If there's a strong wind pushing an aircraft, that's reflected in the ground speed. Airspeed, in contrast, is how fast an airplane is really flying strictly under its own power, which is calculated by subtracting the wind speed from the ground speed. Airspeed doesn't just affect airplanes. It also affects our vehicles on the ground. A car's airspeed on the highway is what really determines its fuel efficiency, rather than ground speed or the speedometer reading.

airplane graphic
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Airspeed Vs. Ground Speed
What's the Difference Between Airspeed and Ground Speed?
BY PATRICK J. KIGER



Back in February 2019, a Virgin Atlantic Boeing 787 jet flying over Pennsylvania in route from Los Angeles to London reached what might seem like an amazing speed of 801 miles per hour (1,289 kilometers per hour), according to CBS News.
But the speed record wasn't because that Virgin Atlantic aircraft itself was exceptionally fast.
Like a sprinter running with the wind at his back, the aircraft benefited from an exceptionally fast jet stream, a high-speed wind moving at 231 miles per hour (371.7 kilometers per hour). It was the fastest jet stream in more than 60 years.
As this explainer on the NASA website details, ground speed is how fast an airplane is traveling, relative to a fixed point on the ground.
Think of it this way: Ground speed is how fast an airplane's shadow would move across the land. If there's a strong wind pushing an aircraft, that's reflected in the ground speed.
Airspeed, in contrast, is how fast an airplane is really flying strictly under its own power, which is calculated by subtracting the wind speed from the ground speed. 
On a perfectly still day, the airspeed is equal to the ground speed. But if the wind is blowing in the same direction that the aircraft is moving, the airspeed will be less than the ground speed.
Airspeed doesn't just affect airplanes. It also affects our vehicles on the ground.
As this study published in 2013 in the International Journal of Energy and Environmental Engineering describes, a car's airspeed on the highway is what really determines its fuel efficiency, rather than ground speed or the speedometer reading.
NOW THAT'S INTERESTING
As NASA points out, a kite has a ground speed of 0 miles per hour, because you're holding it on the end of a string. But since it moves in the air, it has an airspeed that's equal to the speed of the wind.

Patrick J. Kiger has written for HowStuffWorks since 2008 covering a wide array of topics, from history and politics to pop culture and technology. He worked as a newspaper reporter for the Pittsburgh Press, and the Orange County Register in California, where he covered one of the biggest serial murder cases in U.S. history, and also as a staff writer at Baltimore Magazine. As a freelancer, Patrick has written for print publications such as GQ, Mother Jones and the Los Angeles Times, and on the web for National Geographic Channel, Discovery News, Science Channel and Fast Company, among others. In recent years, he's become increasingly interested in how technological advances are altering urban life and the design of cities, and has written extensively on that subject for Urban Land magazine. In his spare time, Patrick is a longtime martial arts student and a fan of crime fiction, punk rock and classic Hollywood films.
airplane graphic

COCA-COLA - The soft drink was first sold to the public at the soda fountain in Jacob's Pharmacy in Atlanta on May 8, 1886. By the late 1890s, Coca-Cola was one of America's most popular fountain drinks. While the Coca-Cola Company denies this claim, historical evidence shows that it is likely that, until 1905, the soft drink, which was marketed as a tonic, contained extracts of cocaine as well as the caffeine-rich kola nut. Advertising was an important factor in the successful sales of Coca-Cola, and by the turn of the century, the drink was sold across the United States and Canada. Around the same time, the company began selling syrup to independent bottling companies licensed to sell the drink. Even today, the U.S. soft drink industry is organized on this principle.

Bottles of Coca Cola
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Coca-Cola
The History of Coca-Cola
John Pemberton was the inventor of Coca-Cola
by Mary Bellis 



In May 1886, Coca-Cola was invented by Doctor John Pemberton, a pharmacist from Atlanta, Georgia.
According to the Coca-Cola Company, Pemberton developed the syrup for the famed beverage, which was sampled at the local Jacob's Pharmacy and deemed to be "excellent."
The syrup was combined with carbonated water to create a new "Delicious and Refreshing" drink.
Pemberton concocted the famed Coca-Cola formula in a three-legged brass kettle in his backyard. 
Birth of Coca-Cola
The name of Coca-Cola was a suggestion given by Pemberton's bookkeeper Frank Robinson.
As the recipe for the syrup called for coca leaf extract and caffeine from the kola nut, the name Coca Kola was easy to come up with.
However, Robinson, who was known for having excellent penmanship, thought that using two Cs in the name would look striking in advertising.
As such kola became cola, and the brand name was born.
Robinson can also be credited with creating the first scripted "Coca-Cola" using the flowing letters that serve as the famous logo of today.
The soft drink was first sold to the public at the soda fountain in Jacob's Pharmacy in Atlanta on May 8, 1886.
About nine servings of the soft drink were sold each day.
Sales for that first year added up to a total of about $50.
The first year of business wasn't much of a success, though, as it cost Pemberton over $70 in expenses to create the drink, resulting in a loss.
Asa Candler
In 1887, another Atlanta pharmacist and businessman, Asa Candler, bought the formula for Coca-Cola from Pemberton for $2,300.
Unfortunately, Pemberton died just a few years later.
By the late 1890s, Coca-Cola was one of America's most popular fountain drinks, largely due to Candler's aggressive marketing of the product.
With Candler now at the helm, the Coca-Cola Company increased syrup sales by over 4,000 percent between 1890 and 1900.
While the Coca-Cola Company denies this claim, historical evidence shows that it is likely that, until 1905, the soft drink, which was marketed as a tonic, contained extracts of cocaine as well as the caffeine-rich kola nut.
While cocaine wasn't considered illegal until 1914, according to Live Science, Candler began removing cocaine from the recipe in the early 1900s, and traces of cocaine may have been present in the famous beverage until 1929 when scientists were able to perfect the removal of all psychoactive elements from the coca-leaf extract.
Advertising was an important factor in the successful sales of Coca-Cola, and by the turn of the century, the drink was sold across the United States and Canada.
Around the same time, the company began selling syrup to independent bottling companies licensed to sell the drink.
Even today, the U.S. soft drink industry is organized on this principle.
Death of the Soda Fountain; Rise of the Bottling Industry
Until the 1960s, both small-town and big-city dwellers enjoyed carbonated beverages at the local soda fountain or ice cream saloon.
Often housed in the drugstore, the soda fountain counter served as a meeting place for people of all ages.
Often combined with lunch counters, the soda fountain declined in popularity as commercial ice cream, bottled soft drinks, and fast-food restaurants became popular.
The Birth and Death of New Coke
On April 23, 1985, the trade secret "New Coke" formula was launched in response to declining sales thanks to an increasingly competitive cola market. 
However, the new recipe was considered a failure.
Coca-Cola fans had a negative, some say hostile, reaction to the new recipe, and within three months, the original cola that captured the hearts and tastebuds of the public returned.
The return of the original cola taste came with new branding of Coca-Cola Classic.
New Coke remained on the shelves, and in 1992 was rebranded Coke II, before finally being discontinued in 2002.
As of 2017, Coca-Cola is a publicly-traded Fortune 500 company with more than $41.3 billion in annual revenue.
The company has a workforce of 146,200 employees, and its products are consumed at a rate of more than one billion drinks per day.
Advertising Efforts: "I'd Like to Buy the World a Coke"
In 1969, The Coca-Cola Company and its advertising agency, McCann-Erickson, ended their popular "Things Go Better With Coke" campaign, replacing it with a campaign that centered on the slogan "It's the Real Thing."
Beginning with a hit song, the new campaign featured what proved to be one of the most popular ads ever created.
The song "I'd Like to Buy the World a Coke" was the brainchild of Bill Backer, the creative director on the Coca-Cola As he explained to songwriters Billy Davis and Roger Cook, "I could see and hear a song that treated the whole world as if it were a person — a person the singer would like to help and get to know. I'm not sure how the lyric should start, but I know the last line."
With that he pulled out the paper napkin on which he had scribbled the line, "I'd like to buy the world a Coke and keep it company."
On February 12, 1971, "I'd Like to Buy the World a Coke" was shipped to radio stations throughout the United States.
It promptly flopped. The Coca-Cola bottlers hated the ad and most refused to buy airtime for it.
The few times the ad was played, the public paid no attention.
Backer persuaded McCann to convince Coca-Cola executives that the ad was still viable but needed a visual dimension.
The company eventually approved more than $250,000 for filming, at the time one of the largest budgets ever devoted to a television commercial.
A Commercial Success
The television ad "I'd Like to Buy the World a Coke" was released in the United States in July 1971 and the response was immediate and dramatic.
By November of that year, Coca-Cola and its bottlers had received more than 100,000 letters about the ad.
Demand for the song was so great, many people called radio stations and asked deejays to play the commercial.
"I'd Like to Buy the World a Coke" made a lasting connection with the viewing public.
Advertising surveys consistently identify it as one of the best commercials of all time, and the sheet music continues to sell more than 30 years after the song was written.
A tribute to the success of the campaign, the commercial resurfaced over 40 years after it first launched, making an appearance in the finale of the hit TV show "Mad Men" in 2015.  

Mary Bellis
New York-based film producer and director
Singled out by Forbes magazine for her writing on inventors. 
Known in art and independent film circles by the name CalmX
Creator of computer-generated art
Experience
Mary Bellis was a former writer for ThoughtCo, where she covered inventors for 18 years. She was a freelance writer, film producer, and director.  In addition, Forbes Best of the Web credited her for creating the number one online destination for information about inventors and inventions. Her writing has been reprinted and referenced in numerous educational books and articles. She was known for her short independent  films and documentaries, including one on Alexander Graham Bell. She specialized in making and exhibiting computer-generated art, while working as an animator, journalist and an independent video game developer. She died on March 28, 2015.  
Education
Mary Bellis held a Master of Fine Arts in film and animation from the San Francisco Art Institute.
ThoughtCo and Dotdash
ThoughtCo is a premier reference site focusing on expert-created education content. We are one of the top-10 information sites in the world as rated by comScore, a leading Internet measurement company. Every month, more than 13 million readers seek answers to their questions on ThoughtCo.
For more than 20 years, Dotdash brands have been helping people find answers, solve problems, and get inspired. We are one of the top-20 largest content publishers on the Internet according to comScore, and reach more than 30% of the U.S. population monthly. Our brands collectively have won more than 20 industry awards in the last year alone, and recently Dotdash was named Publisher of the Year by Digiday, a leading industry publication.
https://www.thoughtco.com/history-of-coca-cola-1991477


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Sunday, September 1, 2019

THE FLAVOR OF SOUND - Synesthesia is a perception in which stimulating one sensory or cognitive pathway causes experiences in another sense or cognitive pathway. A sense or concept is connected to a different sense or concept, such as smelling colors or tasting a word. The connection between pathways is involuntary and consistent over time, rather than conscious or arbitrary. So, a person experiencing synesthesia doesn't think about the connection and always makes the exact same relationship between two sensations or thoughts. Synesthesia is an atypical mode of perception, not a medical condition or neurological abnormality. A person who experiences synesthesia over a lifetime is called a synesthete.

In synesthesia, stimulation of one cognitive pathway causes a response in another pathway. For example, seeing a color might be associated with a flavor.
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The Flavor Of Sound
What Is Synesthesia? Definition and Types
Does Sound Have a Flavor? It Could Be Synesthesia
by Anne Marie Helmenstine, Ph.D. 




The term "synesthesia" comes from the Greek words syn, which means "together," and aisthesis, which means "sensation."
Synesthesia is a perception in which stimulating one sensory or cognitive pathway causes experiences in another sense or cognitive pathway.
In other words, a sense or concept is connected to a different sense or concept, such as smelling colors or tasting a word.
The connection between pathways is involuntary and consistent over time, rather than conscious or arbitrary. So, a person experiencing synesthesia doesn't think about the connection and always makes the exact same relationship between two sensations or thoughts.
Synesthesia is an atypical mode of perception, not a medical condition or neurological abnormality. 
A person who experiences synesthesia over a lifetime is called a synesthete. 
Types of Synesthesia
There are many different types of synesthesia, but they may be categorized as falling into one of two groups: associative synesthesia and projective synesthesia.
An associate feels a connection between a stimulus and a sense, while a projector actually sees, hears, feels, smells, or tastes a stimulation.
For example, an associator might hear a violin and strongly associate it with the color blue, while a projector might hear a violin and see the color blue projected in space as if it were a physical object.
There are at least 80 known types of synesthesia, but some are more common than others:
·          Chromesthesia: In this common form of synesthesia, sounds and colors are associated with each other.
For example, the musical note "D" may correspond to seeing the color green.
·         Grapheme-color synesthesia: This is a common form of synesthesia characterized by seeing graphemes (letter or numerals) shaded with a color.
Synesthetes don't associate the same colors for a grapheme as each other, although the letter "A" does appear to be red to many individuals.
Persons who experience grapheme-color synesthesia sometimes report seeing impossible colors when red and green or blue and yellow graphemes appear next to each other in a word or number.
·        Number form: A number form is a mental shape or map of numbers resulting from seeing or thinking about numbers.
·        Lexical-gustatory synesthesia: This a rare type of synesthesia in which hearing a word results in tasting a flavor. For example, a person's name might taste like chocolate.
·         Mirror-touch synesthesia: While rare, mirror-touch synesthesia is noteworthy because it can be disruptive to a synesthete's life.
In this form of synesthesia, an individual feels the same sensation in response to a stimulus as another person.
For example, seeing a person being tapped on the shoulder would cause the synesthete to feel a tap on the shoulder too.
Many other forms of synesthesia occur, including smell-color, month-flavor, sound-emotion, sound-touch, day-color, pain-color, and personality-color (auras).
How Synesthesia Works
Scientists have yet to make a definitive determination of the mechanism of synesthesia.
It may be due to increased cross-talk between specialized regions of the brain.
Another possible mechanism is that inhibition in a neural pathway is reduced in synesthetes, allowing multi-sensory processing of stimuli.
Some researchers believe synesthesia is based on the way the brain extracts and assigns the meaning of a stimulus (ideasthesia).
Who Has Synesthesia?
Julia Simner, a psychologist studying synesthesia at of the University of Edinburgh, estimates at least 4% of the population has synesthesia and that over 1% of people have grapheme-color synesthesia (colored numbers and letters).
More women have synesthesia than men. Some research suggests the incidence of synesthesia may be higher in people with autism and in left-handed people.
Whether or not there is a genetic component to developing this form of perception is hotly debated.
Can You Develop Synesthesia?
There are documented cases of non-synesthetes developing synesthesia.
Specifically, head trauma, stroke, brain tumors, and temporal lobe epilepsy may produce synesthesia.
Temporary synesthesia may result from exposure to the psychedelic drugs mescaline or LSD, from sensory deprivation, or from meditation.
It's possible non-synesthetes may be able to develop associations between different senses through conscious practice.
A potential advantage of this is improved memory and reaction time.
For example, a person can react to sound more quickly than to sight or may recall a series of colors better than a series of numbers.
Some people with chromasthesia have perfect pitch because they can identify notes as specific colors.
Synesthesia is associated with enhanced creativity and unusual cognitive abilities.
For example, synesthete Daniel Tammet set a European record for stating 22,514 digits of the number pi from memory using his ability to see numbers as colors and shapes.

Anne Marie Helmenstine, Ph.D.
Ph.D. in biomedical sciences from the University of Tennessee at Knoxville - Oak Ridge National Laboratory.
Science educator with experience teaching chemistry, biology, astronomy, and physics at the high school, college, and graduate levels.
ThoughtCo and About Education chemistry expert since 2001.
Widely-published graphic artist, responsible for printable periodic tables and other illustrations used in science.
Experience
Anne Helmenstine, Ph.D. has covered chemistry for ThoughtCo and About Education since 2001, and other sciences since 2013. She taught chemistry, biology, astronomy, and physics at the high school, college, and graduate levels. She has worked as a research scientist and also abstracting and indexing diverse scientific literature for the Department of Energy.
In addition to her work as a science writer, Dr. Helmenstine currently serves as a scientific consultant, specializing in problems requiring an interdisciplinary approach. Previously, she worked as a research scientist and college professor. 
Education
Dr. Helmenstine holds a Ph.D. in biomedical sciences from the University of Tennessee at Knoxville and a B.A. in physics and mathematics with a minor in chemistry from Hastings College. In her doctoral work, Dr. Helmenstine developed ultra-sensitive chemical detection and medical diagnostic tests.
ThoughtCo and Dotdash
ThoughtCo is a premier reference site focusing on expert-created education content. We are one of the top-10 information sites in the world as rated by comScore, a leading Internet measurement company. Every month, more than 13 million readers seek answers to their questions on ThoughtCo.
For more than 20 years, Dotdash brands have been helping people find answers, solve problems, and get inspired. We are one of the top-20 largest content publishers on the Internet according to comScore, and reach more than 30% of the U.S. population monthly. Our brands collectively have won more than 20 industry awards in the last year alone, and recently Dotdash was named Publisher of the Year by Digiday, a leading industry publication.
In synesthesia, stimulation of one cognitive pathway causes a response in another pathway. For example, seeing a color might be associated with a flavor.
In synesthesia, stimulation of one cognitive pathway causes a response in another pathway. For example, seeing a color might be associated with a flavor. Science