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The observation, identification, description, experimental investigation, and theoretical explanation of phenomena is all part of science. Nothing is immune to the scientific process: from charm quarks that haven't existed naturally since the beginning of time to Pluto, recently demoted from planet to dwarf plant. Questions on knowledge about the material and physical aspects of our world are asked and answered here.

Questions

When was nylon invented and do the letters NY and LON stand for New York and London?

No it doesn't mean NY and LOndon. It was a marketing term invented by a team at DuPont. They went through several names,...


What microscope should you buy?

It depends what do you plan on looking at and what type of microscope do you want? Also what quality do you want as in what...


What causes the popping or tinkling sounds you hear as hot metal pipes cool off and contract?

The sound you hear is caused by the expansion and contraction of the metal cause by the heating and cooling. It is more...


Do the sun's tanning rays penetrate water and to what degree?

The sun's rays do penetrate water, but each color penetrates to a different extent. Generally, the more energetic colors, those...


If you buy a microscope for the home what level of detail would one be able to see?

It depends on the power of the microscope an the skill you have in preparing slides. Around 150x, good slide prepartion...


What ingredients are in stain removers?

Soil & Stain Removers Are all the products on the market for soil and stain removal making doing laundry confusing? The Soap...


What are the uses of roselite?

Roselite is a beautifully colored mineral and varies in color from rose-red to pink. However, this beautiful mineral has no uses...


What is total charge?

Short answer: Protons+ minus electrons- The atom is the fundamental building block of all stuff, or what scientists like to call...


What are the parts of a microscope?

First of all which microscope do you want to understand the parts to? A scanning electron microscope? Transition electron microscope?...


What is 'NGC'?

It could be any of a number of things, depending on your context; National Geographic Channel, National Guideline Clearinghouse,...


What are the general principles of agroforestry?

ACCORDING TO AGROFORESTRY.NET:--Help eradicate hunger through basic systems of pro-poor food production in disadvantaged areas...


How do you get rid of all bubbles in clean water?

Depends where the water is. In a glass, from the tap, in a steel pot on the stove before or after boiling....I moved into a old...


Why does the Watershed need to be enforced?

Watershed is the general term for the time after which sex and violence can be shown on television. it must be enforced to...


What is the scientific attitude and what attitudes and characteristics define a good scientist?

A good scientist should possess the next qualities: 1. A scientist must be curious about the world Example: Galileo...


Is test tube cloning accepted by our society?

Excellent question. Clinton abolished any scientific research regarding cloning and Bush followed suit. However, parts of...


What are 'primary' inequalities?

Do you mean primary qualities? Primary qualities have to do with philosophy. If that's what you meant, ask the question again. It...


How much does a gallon of ice weigh?

To greatly simplify, a chunk of ice placed in a lab at 0 degrees C and standard atmospheric pressure weighs roughly 0.9167 g/ml....


Why will a string vest with a shirt over it keep you as warm as a jumper?

I assume you're from the UK and "jumper" is what Americans call a "sweater," and "string vest" is a "knit undershirt." DuPont...


Are fuel cells dangerous to make or dipose of?

Fuels cells are essentially not very dangerous. But in order for a fuel cell to job hydrogen must be used. Hydrogen is usually...


How does light travel through a camera?

AnswerPicture this... you're home for thanksgiving, its you and grandma for one big picture oportunity, big smile. A flash lets out...


How come when you stand on your head it starts to throb but when you stand on your feet they don't?

The heart is closest to the brain, so when we walk it takes longer for the blood to get to our legs (that's why we exercise) and...


Why is skin designated an organ?

Skin is the largest organ of the body because it actually breaths and can absorb many things (good/bad.) Most people don't...


Why do objects appear the color they are?

It's a matter of selective absorption and reflection of the varying wavelengths of light. Our eyes and brain job together to...


Can one twin absorb the other?

Very interesting article. It explains the two different ways a twin can be absorbed and...


What are advantages of static electricity?

Static Electricity Static electricity is usually a 'high voltage' but low power form of electricity. You can experience it by...


Why do veins become more prominent as one ages?

Because the skin thins to paper thin on the outer body as well as tissues in the inner body, not to mention muscle loss. The...


How do you remove ink from a newspaper?

Removing Ink from Newspaper newspaper can be recycled up to 5 times. When newspaper enters the recycling process at a de-inking...


Is it safe to put metal in a microwave oven?

The best answer (with just a bit of technical stuff) Ask near to find out if using metal in a microwave is okay, and the answer...


What is the connection between organisms in a stream and the dissolved oxygen level?

Organisms in streams need oxygen to live when lacking dissolved oxygen it will kill these organisms. edit: unless the organisms...


What education or training do you need to become an oncologist?

To become an Oncologist, or cancer specialist.... To become an Oncologist, or cancer specialist, a medical degree is the first...


Has the FDA approved cloning?

There are many different techniques that have been described as "cloning". animal cloning: The FDA has tested cattle, swine,...


Where can you find nitric acid?

Nitric acid is a poisonous clear-to-yellow colored liquid. This article discusses poisoning from swallowing or breathing in...


What is cow milk made of?

The next is from: http://www.milkfacts.info/Nutrition%20Facts/Nutrient%20Content.htm on the composition of one serving of...


What is the circumference of the earth?

AnswerThe circumference of the Earth at the equator is about 24,901.46 miles, or 40,075.02 km. Earth is not a rounded sphere, but...


Does a heeling sailboat have less hull surface contacting the water than a boat on an even keel?

This depends on the design of the boat to a certain extent, however typically when a yacht is heeling it would be moving quickly,...


What might be the perils of over specialization?

Basically in the global economy, individual domestic economies as a result of reduced levels of domestic protection such as...


What is the difference between an Associates in Applied Science and an Associates of Science degree?

The Real AnswerThe main difference between an associate in applied science degree and an associate in science degree is that an...


Where can you buy inverted goggles - the kind that turns everything upside-down until the brain adjusts?

Wal-mart


How quickly did a Viking longboat go?

They went 964,293,019,249,123 millimetres per 21 seconds. The people who did the rowing could line faster to the beat of the...


What are some of the major accomplishments of Gregor Mendel?

Gregor Mendel is called the father of genetics. He was a monk who studied pea plants to find out about genetics. He discovered...


Could life that is not carbon based exist somewhere in the universe?

Non-Carbon Based Life Life is only believed to be sustainable under a certain and complex set of conditions - basically the...


How do hot pads work?

Modern hotpads or pot holders have a heat-resistant material sandwiched between two layers of fabric. The bottom layer of fabric,...


Why does a rainbow appear bent or arched in a semicircle in the sky?

Rainbows have been the subject of songs and poems, stories and mythology, but there is an explanation as to why rainbows appear...


Why is your hot water pressure low but your cold water pressure is fine?

AnswerYour cold water comes directly from the main line without hitting resistance. Your hot water travels through your water...


How quickly is Roscoe Parrish?

Roscoe ran a 4.43 at the NFL Combine, but some clocked him in the mid 4.3's. He's QUICKER than he is fast, in his ability to...


Where did the universe begin?

Current theories and models suggest that there is literally no place (not simply that we cannot get there) where you would reach...


What is the stiffness of a cantilever beam under a natural frequency?

If you understand the natural frequency and the mass of the load and beam... k=Wn^2*m (where k=stiffness, Wn=natural frequency,...


How do they make drink water filters?

Drinking water is too known as potable water. Charcoal is the primary substance used in conventional drinking or potable water...


Where do conifers grow?

Greece, Germany, China, India, Russia, Japan, Scandinavia, the British Isles, the Middle East, North America, Central America,...


Does the size of a ball effect how tall it bounces?

Not to any appreciable extent. Bounce is caused by the elasticity of the material comprising the ball and the surface on which it...


What are advantages of global positioning systems?

Depending on what you are using it for, and the rating of your system it could be invaluable. I have a hand held and lap-top...


What is measured in hoppersfeet?

Rear Admiral Grace Hopper was a pioneer in the computer industry. In her talks, she often would illustrate the speed of...


What does the term nuclear winter refer to?

AnswerNuclear winter refers to a long-term cooling of the Earth's climate next a massive nuclear war. Nuclear weapons, as we...


How does inertial navigation function?

Inertial navigation tracks the position of an object by measuring and comparing the distance it travels with the accelerations in...


How does music affect mice?

I think it does because, my mice do, and they respond to clapping and other noisy sounds .


How is plexiglass made?

melt calendering


What are the ingredients in Coke and Diet Coke that have negative effects on teeth and why?

In Coca-Cola there is both sugar and phosphoric acid. Both damage your teeth. Diet Coke, Coke Zero, and Caffeine Free Coke all...


How do you make glass?

The main ingredient in glass is silica, too called silicon dioxide or quartz. This substance occurs in most minerals in varying...


Why are plants necessary for survival?

Plants are necessary for survival because they undergo the photosynthesis, the process of converting light energy from the sun,...


What was Charles Darwin's first piece of evidence?

On his travels he found many species of animals that were similar but different, even though they were not in the same...


What is scientific revolution?

The Scientific Revolution refers to that period in history (basically the 17th century) when men and women began to ascertain...


What does SEM stand for?

On the internet, SEM stands for "Search Engine Marketing". In it's most basic form, SEM includes any type of advertising that...


What is microgravity and what is its affect on humans?

Well basically, anything that has mass exerts a gravitational pull ony other masses. Therefore, when in space in a space...


Why does hot water coming from a faucet have a different pitch sound than cold water coming from a faucet at the same pressure?

Here is what Contributors had to report on water pressure sounds: First, the temperature of the water affects the internal...


How is test tube cloning accomplished?

Easy, it's not.... "Test Tube" babies are a product of a process in which an egg and a bunch of sperm are isolated in one tube...


How do farmers grow corn?

Corn is grown by first seeding the corn seeds via seeder in the feild. The type of seeder varies per farm; air seeder,...


What do stars mean to people?
Where is rubber found?

Rubber is naturally made from the sap of rubber trees......it can be too syntheized chemically.....


Is there an SAS postulate for similarity of two triangles too just as you have one for congruency of triangles?

Yes For two triangles to be congruent, their corresponding sides must be of equal length. But for triangles to be similar, they...


If you're having a question binding a skeleton how do you fix it?

Use wires that go between the bones to alow normal movement but too holds the bones in the disired position.


In the listening to aerial sounds what concept is produced for eyelet sound?

Do you mean in hooking up for aerial sound, that there is a wire with an eyelet?


How do you neutralize detergents from domestic grey water?

You get a water purifier or a softener Depends on what you mean by "neutralize". If you mean make the detergent no longer...


How simple is get a job with an Associates Degree in Chemistry?

AnswerIt would be very simple to get a job but it probably won't be doing anything with chemistry. Most chemistry jobs require at...


How do gymnosperms reproduce?

AnswerGymnosperms (meaning "naked seeds") are seed-bearing plants that don't produce flowers, instead they have male and female...


What would happen if there were no television?

One would be that we would not be as knowlegeable about he world near us. We see each event in the world where there is a...


Is the sky really blue because it reflects the color of the ocean?

No. The physics is based in the way light is scattered in the air, and it is discussed in the question, "Why is the sky blue?"...


Why is glass often used to make cookware?

Glass is good because it can be formulated to withstand extreme fluctuations in temperature. For example, Pyrex ads used to show...


What is an analytical exposition?

An exposition is a rhetorical discourse that provides information about or an explanation of hard material. An analytical...


What is in instant cold packs?

Ammonium Nitrate and water. Urea + plus a Non-Toxic Cooling Additive and Water providing a safer alternative to the dangerous...


Where can you find charts diagrams and data tables showing the effects of music on your heart rate?

http://www.heartmath.org/research/science-of-the-heart/soh_32.html


What is the smallest number?

A Discussion exists about this question. Click the View Discussion button under this answer to view it and take part. ...


How does lactobacillus help the digestive system?

it produces lactase which digests milk sugars it facilitates the enzymatic cleavage of milk proteins such as casein into amino...


What can light pass through clearly?

Your question is somewhat hard to interpret, but presumably you are referring to visible light and the word "clearly" is...


What instrument is used to find mass?

A scale We measure mass directly; there is a "massometer." But we do have scales, which measure weight, which is directly...


What is the weight of one gallon of air?

Air at sea level weighs about 1.2 kg per cubic meter. You can find that using the ideal gas law pV=mRT where p is...


What is the weather like in Georgia?

hot and dry all the time during the summer and cool winters the lowest it gets is about 60 degrees. .


How much would you weigh at the center of the earth?

At the center of the earth, your weight would measure nothing on a scale. That is because the mass of the earth is evenly...


What if electricity was never invented?

electricity was never invented. it has always been there. it is said that benjamin franklin discoved electricity. if he didnt...


If people evolved from apes why are there still apes?

Why There Are Still Apes Many people believe that man did not evolve from apes at all, we were created by God in His hold image....


What effects did dropping of atomic bombs have?

it killed many people, plus caused harm to the enviroment and many of the offspring of survivors have mental dissabilities and...


Has it been scientifically proven that ghosts exist?

The short answer is that the Scientific community is on the fence when it comes to any Paranormal object, be it a ghost or...


How do wetlands remove nutrients and toxic waste?

The way I understand it, wetlands have a lot of trees. Trees and other plants absorb carbon dioxode (what humans breath out) and...


Why are elements arranged as they are in the periodic table?

Elements in the periodic table are arranged in order of increasing atomic number (which is just the number of protons found in...


Would you be exposed to radiation today if you visited the site of the first atomic bomb blast that took place 60 years ago?

There's probably no significant danger by now. The radiation (contamination) remaining after a nuclear explosion is a function of...


What part of the plant does corn come from?

The corn that we eat is the seed part of the corn plant. Each small kernel is a fertilized seed, and if left to mature and dry...


How did Albert Einstein come up with the idea of the atom bomb?

Although underlying theory of atomic bomb workings draws from Einstein's ideas on mass to energy conversion the well-known equation...


What is the potential of the biomass?

BEWARE!!!!!! THIS IS VEEEEERY LONG :(To understand the potential of "biomass" as a fuel supply, it is necessary to understand the...


Why does ice float in water?

Water is a member of a very exclusive group of substances that are less dense as a solid than as a liquid. It is very important...


What are some examples of superstitious beliefs?

Some Superstitions Umbrellas inside the house - you will drown the next time you swim; or, opening an umbrella indoors will...


What is the effect of coffee on teeth?

Coffee makes your teeth yellow. If you try to whiten your teeth and you drink coffee, it can provide whitening as effective as...


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