Vincent Summers

Featured Technology Contributor; Featured Gardening Contributor
Total page views: 341,976
Published Content: 528
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On AC since: 10.10.08
Bio:
My graduate studies were in organic and quantum chemistries through the University of Virginia's Citizen Scholar program. I worked for the N.R.A.O. 23 years, enjoying my small share in the extended Voyager 2 effort. Retired, I now write for AC, Suite101, Bright Hub, and Demand Studios. I am open to assignments.
Education/Experience:
BS in Chemistry - Drexel University Philadelphia, PA
Motto:
Proffer a Sharp Mind, a Gentle Heart, and a Willing Spirit.
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Displaying Results 1 - 200 (of 528)
The cork industry is worried greatly by a root-rot fungus infesting Cork Oak trees. What is this disease all about, what is the history of the fungus, and what can be done about it?
Pearl White became famous in The Perils of Pauline. The silent screen actress led a short, energetic life that turned to a tragic death. Nostalgia revitalized her character in the form of a Betty Hutton movie.
Measurement of acidity and basicity is typically performed by any ordinary pH meter. Measuring the pH of pure water, however, is not all that simple. Here's why that is, and how you can still do it.
Shampoo isn't something the author ordinarily gets excited about. Suave naturals tropical coconut shampoo, however, is not ordinary to the author's way of thinking.
Sufferers may sometimes misidentify goldenrod as a source of hay fever producing pollen. If goldenrod is not the problem, what is?
Chicory - have you seen it growing - have you had it in your morning coffee? There it is along that highway, there!
Acid theory evolved in stages. The theory led, not only to improved understanding of what constitutes an acid, but to ever-increasing strength of available acids, as well.
Amputations and other body damage would cause no lasting difficulty if humans could regenerate. What can a worm teach us about the power of regeneration?
Are you a Carper, or are you related to a Carper? Do you know Carpers? Invite them to read this article, and consider what it says.
After white bush pan patty squash seedlings have developed, they enter the blooming phase.
White squash are the most delicate and delicious of the summer squashes. Enjoy this slide show, with commentary.
Metallocenes were discovered in the second half of the Twentieth Century and reinvigorated the study of Organometallic Chemistry.
George Storrs, a God-fearing man, discovered a pamphlet on a train that would change his life forever...
Henry Grew, was not satisfied with established beliefs. He kept peering into the Word of God to see what he might find...
Golf ball trajectories and distances traveled are inescapably associated with the science of dimple design. Here's how.
The majestic and life-sustaining American Chestnut tree is blighted by an Asian bark fungus. Will we ever be able to grow it again? There is hope!
The herbicide glyphosate is doubtless the most popular herbicide currently in use, and for good reason. Herein is discussed its chemistry, its use, and the few risks involved in using it.
The lovely pink-flowering phlox-like clusters along your roadside may be Bouncing Bet, the Common Soapwort, once purportedly used by Native Americans to cleanse themselves.
Let's really start simple so our kids will be ready for algebra when they get older.
Homegrown blackberries plus scratch batter make one phenomenal cobbler. Serve it with quality ice cream, and you have an Ooh-La-La dessert!
Polyurethane paints and varnishes are not made of urethane, but of polyurethane. What's the difference?
Purple is like a marriage, joining different personalities into one.
What possibly even greater tragedy could occur if a powerful hurricane crosses the path of the world's greatest oil spill?
Ralph Edwards' "This is Your Life" was more than simply a television show. It was a revelation of human values in a media-driven world. Documentary biographies today, no matter how detailed and complete, do not compare. Is it time for a remake?
Among all the great berries of summer, just what is the wineberry, and how is it best used?
Dust devils are not limited to the United States, but there are spectacular ones in the western states. Some are modest, others are very powerful and awe-inspiring. Some even occur on Mars.
Tumbleweeds are iconic for the Wild West. They are a nuisance to most Westerners. They are also Russian!
Every good fictional detective has a quirky personality and is inundated by author's gimmicks.
Why are moms so insistent? Why can't they let us do what the other kids do? A lesson to learn in life.
We speak fluently, we write concisely. We speak in cliche phrases, we write one word at a time.
Why would anyone relate your food to poison ivy? Surely no one adds poison ivy to our food, do they?
Ever hike in the woods and suddenly see a huge tree of poison ivy? It's not what you may think.
Growing beets for the vegetable and the greens is fun and easy as well as tasty.
An unknown volunteer showed up in the beets area of my tiny vegetable garden. Can you identify it for me?
Google Maps is a phenomenon of technological ingenuity coupled with hard work and devotion to a product. It helps millions, perhaps billions of people. Could it be used to harm them as well?
Art has its Rembrandt. The movies has The Jazz Singer.
Modern African violets look nothing like the original plants. Strangest of all modern African violets is the chimeral or pinwheel variety...
Perhaps the most beautiful azalea is the fiery Flame Azalea. Yet, it is seldom seen by most people. Why not use it to landscape your home?
No one enjoys the smell of rotten eggs coming from the neighborhood sewage treatment plant. What can be done to eliminate this serious problem? Read on to find out.
Hiking on nature trails in national parks is fun. Why not make your own nature trail on your property? Here's how.
Art Linkletter taught us that kids say the darndest things. I maintain they also draw the darndest things. Take Mommy and Daddy for instance...
Electrostatic generation in the thousands of volts is easily generated using some soup cans and water. Find out why and how this works.
Bee Balm, sometimes called Oswego Tea, is native to North America. Used for antiseptic purposes, it is a natural source of thymol, found in common mouthwash.
Columbine, Sundrops, Green-and-gold, Dutchman's Pipe, Jack-in-the-Pulpit, and Cinquefoil are among the subtle beauties you can expect to see in rural Virginia.
Some plants are simply beautiful. Other plants are historical. Foxglove is beautiful - it is historical - and it is of ongoing medical importance.
You drive past elderberry bushes every year. Yet, likely you never considered including some in your garden. Here's why you should.
This orphaned Canada Goose found us. How do such tiny creatures touch our hearts so? We turned it over to a wildlife refuge, but sadly it did not thrive.
Mulch is subject to many fungi, but one sickeningly reminds you of dog vomit. This slime mold is harmless. The fungus consumes bacteria in the mulch.
It catches bees in the air and eats them -- yet to humans, the robber fly is as gentle as a puppy dog...
An MRI technician asks about metal implants, prostheses, jewelry and even shrapnel injuries. So why don't they ask about dental fillings?
After the corn is gone, of what benefit is the cob? Once considered waste, corncobs are now considered a valuable resource.
Everyone who ever sees one marvels at the Lady's Slipper wildflower. Some try to transplant one to their home. Most will die. What steps greatly increase odds of survival?
It's easy to know one material is more slippery than another. Tests can be performed. However, what makes lubricants slippery?
Something as simple as eating ice cream with a silver spoon invokes many of the principles of chemistry and physics.
Don't be quick to sever your family ties. Time will sever some of them for you and you may come to live in regret...
Sometimes life isn't fair, and it hits kids the hardest...
Irises come in a variety of colors and sizes. Enjoy these beauties of Spring while they last!
Purple Robe Pseudo Locust Tree is a Work of Art.
The blackberry canes are in full bloom. Will there be a bountiful berry harvest? Mm. Blackberry Preserves!
How beautiful can an Iris be? See for yourself.
Older people have many memories to savor. What happens if those memories are unclear?
Blue flags are Iris grown in Virginia. Although they may be hybrids developed by man, they are not new hybrids. They are strong, healthy, and decidedly beautiful!
Spring has sprung and its starting to pick up speed here in good old Nelson County, Virginia.
Zone 5 areas such as Rochester, New York, have cold winters. What can be done in spring to provide outdoor warmth and beauty? Plant these ground covers.
Is the science fiction concept of wormholes scientific nonsense? Consider what quantum-tunneling and the theory of relativity seem to indicate.
Sweet Shrub is one of the more subtle beauties to be found among the flowering shrubs. Its unusual color bloom and exotic seed pod makes it worthwhile planting.
Some plants are beautiful and very desirable. Some plants are ugly and undesirable. Some plants possess beauty but should be avoided at all costs.
A 1910 motorist was discontented and wanted the government to look into his problem. This led to the discovery of butane and was part of the history of the LP gas industry.
Not a doubt of it, the lowly fruit fly is a pest. Yet to the scientist, it is near to being an idol. For over a century, this little creature has been unlocking scientific secrets.
Photos of a beautiful young Flowering Crabapple tree in Virginia.
Most public chemistry education considers metals and non-metals, but there is a third class known as metalloids.
The beautiful purple Eastern Redbud is a glory to behold. There are not many trees that bloom without a single leaf!
The Fountain of Youth! How people have dreamed they might live a longer, happier life. A Russian scientist believes you can live longer without it.
A gas is special. Although a collection of gas is a single system, it is made up of individual molecules, each with its own particular parameters. Still, as a whole, gas molecules move faster when heated.
The deadly history behind food and drug safety seals. What led to them?
It's only in comparatively modern times that the complex causes of lightning and thunder are being fully appreciated.
What happens when a chunk of ice is tossed into some warm water?
There is no completely satisfactory way of soldering to stainless steel. The methodology described here provides an inexpensive method of doing so for rigid coaxial cable.
When sickness struck, Mom switched into "high gear." Here are some of her "old-fashioned" treatments.
"Practice Random Acts of Kindness," automobile bumpers advise us. Sometimes it is possible to perform an act of kindness even though we are unaware we are doing so...
Numismatics or coin collecting combines history with hobby. That certainly proved true during World War II, when silver replaced nickel and steel replaced copper.
Edward George Bulwer-Lytton a master of evocative literary wordiness. Cut out a third of his words and you'll still understand him. But why would anyone want to do that?
Air seems thinner at higher altitudes, but how does air density change with varying temperature?
What kid in the Sixties wasn't forced to put pen to paper and write horrendous verse they called poetry? Read if you will, but have the Pepto Bismol handy.
Huckel's Rule of Aromaticity provides a fundamental introduction to the physical chemistry of aromatic organic compounds.
Dry ice is relatively inexpensive and is usually bought. However, what if you want or need to make only a little on an occasional basis? How can you do it?
The trouble with a talk can be its formality. Depending on the audience, try this technique of warming things up and encouraging a listening ear.
Public reading is very satisfying and really loads of fun. Three easily mastered points enable you to reap the rewards that reading before a public audience can bring.
In certain geographies and among certain cultures word endings are not pronounced. Consider why you should articulate a word according to how it is written.
Free radicals are of concern today, not just to scientists and engineers, but to people concerned with their health and aging. What led to the discovery these controversial chemical intermediates?
Television detectives must have rich and varied eccentricities, or we can't be bothered with them. From Columbo to Sherlock Holmes, we love those quirky TV sleuths!
There are lots of people who don't realize they are what experts call the "near poor." Who are they? Are you among them?
Physicists seek ever colder environments to study the nature of matter. Doppler Laser Cooling is one powerful instrument at their disposal.
This article isn't for everybody. It's a lengthier and more in-depth description of the online genealogical research methods I employ. If you really want to find your roots...
Life says, "Ah, yes. The college graduate thinks he can figure out how to grow vegetables on his own. Hmmm... What can be done to humble this fellow..."
Writing should communicate--it should convey valuable information without being tedious or tiresome.
Einstein tells us matter and energy are have a direct relationship and may be interchanged. That being the case, how much energy would be generated by completely converting one lone hydrogen atom?
We interface with the communicating world mostly by speech. How does the world hear us?
Chemistry is not merely an abstract science, but the experiments of everyday life. Homeschooling should include a generous portion of chemistry. Fermentation is an everyday chemical reaction.
Home schooling is largely teaching from books; however, it is personal application that may be remembered the longest.
Theories of the atom never seem to include reference to gravity. Should they? Gravity is extremely important in Outer Space!
Electroplating pieces with sharp points, corners, and edges requires special tactics. This article discusses the difficulty of threaded screws.
Supernova explosions are known to leave substantial remnants behind. These remnants are among the strangest known objects in the universe. One of them may be the quark star.
In high school, we were always taught that there are special gases on the right-hand side of the Periodic Table of the Elements that are inert. Now we learn not every one of them is all that inert...
The solar winds blow and shape earth's magnetic field. What happens on the moon when it encounters the resultant magnetotail?
The famous and the infamous, whether Jesse James or Elvis Presley - cannot seem to escape the hands of mortal man - even in death.
The human body is amazing. Consider a handful of features that tell us just how special it is.
One of three major snow events in Nelson County -- this one following closely in the footsteps of the 2nd.
Hydrogen is included with the alkali metals in the Periodic Table of the Elements. Does it belong there? Is there evidence hydrogen metal exists? What would it be like?
Add to the other amazing attributes of water, the formation of the hydronium ion. What exactly is a hydronium ion, and how is it important?
There is one equation in calculus that surpasses all others in usefulness. It is the formula for a derivative. It may well prove a useful one if you take just moments to memorize it.
Diamond and graphite. They are two substances about as different as north and south. Yet, they are one and the same.
Chewing gum. The chewing we all know about. But what's the gum?
Rubbing alcohol is most commonly isopropyl alcohol in about a seventy-percent concentration. Who doesn't enjoy receiving a back rub? But why does it contain thirty-percent water? Are manufacturers trying to cheat me, or is there good reason for it?
The lead in a pencil--is it the heavy and toxic metal or is it something else? If so, what? Also, enjoy the cited video by Staedtler on how to make a pencil.
High School demonstrations may include the dehydration reaction of sucrose--ordinary table sugar--with concentrated sulfuric acid. Properly supervised, this reaction can teach and impress individuals with the importance of safety in the laboratory.
Put a balloon to your lips and blow it up. That balloon will last for some time. But a party balloon, filled with helium, and in no time - its wrinkled and all shriveled up! Why? It's simple...
Who is your best friend? If you had been born elsewhere and lived elsewhere, you would have a different best friend. Think what you might have shared with that one... It's a strange concept, or is it?
Have you ever wondered how much an atom might weigh? Or have you ever wondered how you might figure it out? Here is the simple answer, using an example.
Apples have a wax-like coating. Sometimes it is natural. Sometimes it is not. What's the difference?
Strange isn't the word for cesium auride. Discovered more than a half-century ago, its properties offer promises not yet fully comprehended.
Do you want to grow a flower garden? Why not have it serve two purposes? Grow one that will attract butterflies!
How you can make your own glue!
To be symmetrical is to be beautiful - in the worlds of mathematics and science. There are many varieties, though. This article discusses just one - reflectional geometrical symmetry. Enjoy!
The very simple concept of "like dissolves like" goes a long way in predicting solubility.
The Ideal Gas Law can be written in different forms. In one form, one solves for the molecular weight of a gas. In the other form, one calculates the density of a gas. In this article, we will speak of the figurative "concentration" of a gas.
Geometrical prisms--Just what are they? How can I calculate their area and volume?
Perhaps the most important single subject in chemistry is that of the bonding of atoms to form molecules. The most satisfying explanation to date is that of LCAO-MO. This article discusses some basic concepts and examples.
In Lesson 6 we expand our horizons to cylindrical coordinates as 3 dimensions! A new example is discussed and a cylindrical coordinates online graphing Java applet is introduced in the references section.
Heavy water is a different form of water with different physical, chemical, and biological properties. Why is this the case, and what is so special about it and its hydrogen component, deuterium?
Some algebraic equations or geometric expressions are not best-suited for use in an x-y coordinate system (aka Cartesian coordinates). They are best suited for another system, e.g., Polar coordinates, which we here discuss...
Some of the most beautiful gemstones in the world are cyclosilicates, yet it is their technological beauty is turning heads.
The hyperbola, like the parabola, circle, and ellipse, is a conic section with its own equation and graph. We cover some very basic information concerning this interesting geometric shape.
We discuss the ellipse and the special case of the circular ellipse or circle.
Originally diagnosed with excess prolactin, the diagnosis may be expanded to include acromegaly. What is acromegaly? How is it detected? How is it treated? Who are some famous acromegalics? What resources may I consider?
One of the earliest shapes introduced in analytical geometry is the parabola. Of not much significance mathematically, the parabola is of great significance in real-world design.
Analytical geometry can actually be great fun. If it wasn't for you, maybe it was because it was "school." How about giving it another chance? I present a brief series of articles to whet your appetite. If you get sick, instead, I apologize...
What shape vessel does your intuition tell you holds more liquid for the material needed to make the vessel? When all else fails, try mathematics and logic...
Density--what is it? How is it calculated? And once that simple task is accomplished, what are some outstanding densities in the universe? Explore from the microcosmic inner atom to the grand enormity of outer space.
All of us are medical patients one time or another. Sometime during our lives we will require the use of oone or more radioactive isotopes. What are they? What "defines" them?
Don't be a stodgy, old-fashioned family historian. Be a vibrant family tree genealogist, and power search your roots. Explore all the online possibilities. Don't limit your hunt to the United States. The public is out there. They are your army.
Atomic orbitals used in bonding sometimes "hybridize." This involves the combination of different types of orbitals to form entirely new varieties. Consider the example of methane...
A fascinating hands-on virtual resource for the general public that enables you to be the laboratory technician trying to find the DNA evidence necessary that could solve a criminal case, convicting a guilty person or freeing an innocent person.
Quantum mechanics explains how some phenomena occur which are not part of everyday experience. The ammonia atom can flip when ordinary logic suggests it should not be able to do so.
Acetylene and its derivatives, the acetylides, are simple to make and simple to understand, yet they are very useful as fuel, in laboratory synthesis, and even as explosives.
Cataplexy may first manifest itself in adolescence and is frequently associated with narcolepsy. Although it can upset the sufferer, it can terrify an observer. It can cause accidents and has rarely led to the mistaken diagnosis of death!
The Peacherine is an oldie but goodie. Ever heard of it? Of course not...
Think only Jehovah's Witnesses benefit from bloodless surgery? Think again! Watch this CBS News Video...
Green Potatoes are not the only food to contain solanine, a poisonous glycoalkaloid, but it is the best known, and generally the most troublesome. What are the symptoms of solanine poisoning?
A Micro-Fiction Piece.
Linus Pauling provided insights of great importance into the nature of the chemical bond - the forces that explain the connection of atoms to form molecules. Watch Pauling's landmark lecture videos made for the National Science Foundation.
Pituitary gland surgery isn't completely straight-forward. After surgery, a lot of testing needs to be made to see what body chemistry has become, as the pituitary is a control mechanism for many of the hormone secretions the body produces.
Some surgeries preclude the post-use of CPAP. Since sleep apnea can be a dangerous medical condition, the inability to use CPAP should not be taken lightly when surgery is necessary.
Funny things happen even in dire circumstances. Maybe that's when we need it most...
This is pure-and-simple not a medical statement, but constitutes my possible theories as to the cause of many health problems, including Prolactinoma.
Microwaves ovens are a modern marvel that are welcome to the housewife and the working man and woman alike. There are a few dangers, but many people never realize which risk is greatest!
Prolactinoma often responds to medicine-based therapy. Mine developed complications leading to surgery. Will this happen to you or yours?
Infrared Spectroscopy is one of the more useful weapons in the organic chemist's arsenal. This article is designed to present a simple overview of the subject.
What is it like to receive a simple tumor diagnosis, only to find there is more to it than initially thought? It isn't necessarily as bad as you might think.
A girl whose sought her father thought she found him in me. What could I do to help her find her real parent?
The 40th Anniversary of the Hurricane Camille's devastation here in Nelson County, Virginia, reminds us that we are, after all, mere mortals.
Ma Barker has been portrayed in the media as a maniacal, controlling, and bloodthirsty woman. Was she? Or is there another side to the story? What motive would there be for one?
Your heart tells you to find someone you knew and loved. While sometimes you won't find them, there are online methods you can use that have a good chance of restoring relationships.
Walter Winchell narrated the Untouchables epic television series. Although fiction, in no wise was the real Eliot Ness less a man in the Public Eye.
Where do memories go when you leave them behind?
Polyglycolic acid is a strong polyester with moisture susceptibility. Thus, it is useful in the manufacture of dissolvable sutures. We will discuss the structures of glycolic acid, polyglycolide, and polyglycolic acid, plus their importance.
The first of the Chemistry Curio Series. Cubane, a cubic compound made up of only carbon and hydrogen, is a very curious substance, indeed. Having no practical purpose in view, it was first prepared in 1964.
The earth is a beautiful place. At least it can be. One professor is "tired" of pollution and longs for "lemon" freshness!
What are the real and beneficial uses of substances found in nature? Why are we so slow in finding out?
A Flash Fiction Story concerning an insignificant old woman... or was she?
Get the Skinny on Eating Better. Get Real - you may not live longer, but at least you'll smile while you're alive.
Triglycerides and their reaction products, diglycerides and monoglycerides, are substances used in food for the convenience and economy of the food manufacturer.
Fluorescence is the photon-emission of light energy after excitation, such as by ultraviolet light.
African clawed frogs should not be kept as pets for a number of reasons. "Cute" does not a great pet make!
The Blackberry Lily is actually an Iris - an Asian import that has a history of medicinal uses in China. Beautiful in foliage, flower, and seed pod, the Blackberry Lily should be found in more U.S. gardens!
Roma tomatoes are different from grape tomatoes. Russet potatoes are different from Kennebecs. Each is used differently. What about rice?
All cats may have been created equal, but when humans have finished "fixing" them, they are no longer so... Dealing with urinary tract problems of the castrated male cat.
Stung twice by a venomous Lionfish, the personal experience of my son-in-law.
All this jive about Going Green means nothing if we don't do somethin' about Pooh. No, No, not Winnie the Pooh! Cattle Pooh. Cattle Pooh's what's Happenin'!
The government establishes legal definitions of food products. It is intended to benefit and protect both the consumer and the provider of goods and services. Let's answer the question: "Where's the Beef?"
Why do they put phosphoric acid in soda? Is that why soda is bad for you? If not, what is?
Sears Roebuck and Company have faithfully served the American people in more than one way. Do you fully appreciate their "Wishbook?"
Gale Storm joins the list of celebrities who died within mere days of each other in the Summer of 2009. Download some FREE episodes of her hallmark series, My Little Margie!
Crown Vetch, like so many other things in life, can be either a blessing, or a malediction. Let the Buyer Beware!
Propylene glycol is accepted for drug use, food use for humans, and food use for pets, in the United States. Why do they use it? Is it safe? Is it universally accepted?
The Unstoppable Energy of 1950's TV reigned supreme in the days when acting was live. Viewing was Great, when most people were still readers, and acting was a respectable occupation.
Excess prolactin can lead to serious problems for men. Does the presence of excess prolactin automatically indicate the presence of a Prolactinoma? Read on to see why it does not!
Virginia -particularly Central Virginia- reports an update for the H1N1 (or so-called Swine) flu.
The Hummingbird moth is so enchanting, you'll run to get your still or video camera so you can prove it exists.
The Bible is frequently misrepresented, even by members of the Clergy. I present here the first of a six-part series containing such misrepresentations complete with their scriptural refutation. The Truth is then presented, similarly.
The Kitchen Chemist discusses Teflon Skillets. What is Teflon and How does Teflon work? Why use Teflon? How was it discovered "accidentally?" What are its strengths and its weaknesses?
The Site of our AUI-sponsored NRAO Company Banquet was Charlottesville, Virginia's own Boar's Head Pavilion - a new part of the Boar's Head Inn facilities.
Is potassium a viable substitute for sodium in dietary replacement? Can it be eaten without concerns in place of salt?
How many of those White Cast-Iron Historical Highway Markers have you driven by without so much as a look-see? Why not slow down and learn something?
The Boy in the Box is an unsolved mystery featured on the website, America's Unknown Child. Another mystery on that website, the Boy in the Bag has been solved. Can you provide information or insight that will assist investigators?
Family man, Professor, and Medical Researcher - Dr. Jonathan Pevsner heads up the Discovery Channel's "Doing DaVinci."
Discovery Channel's Doing DaVinci brings the 15th and 16th century inventions of Leonardo DaVinci to life. One important team member is Jurgen Heimann. Read on!
Should a husband's goal be to completely fulfill his wife's requests? Let the example of Mr. Thomas N. Burnside demonstrate the correct answer.
Even malignant tumors can produce difficulties, simply by growing. Consider my story and how it could affect you.
The Discovery Channel's Doing DaVinci includes a basic team of five members. Woodworker Bill Duggan brings youth and vigor to the team.
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