Categories ›

Trivia

Test yourself. Tap a question to see the answer. 312 items · page 8 of 8

Trivia#281

How do mirrors work?

Answer

We see objects in a mirror, because a mirror, when hit by particles of light called photons, reflects the photons back to us and some reach, and enter, our eyes. Photons that hit a rough surface will bounce off of the surface in a haphazard manner, while those that hit a smooth surface, such as a mirror, only bounce off of the surface at the same angle at which they hit the object. The scientific term for this phenomenon is reflection.

Not all smooth surfaces reflect photons back to us, even though, technically, they should bounce back at the same angle at which they hit the surface. This exception to the rule results, because some smooth surfaces absorb the light particles hitting them, making it impossible for them to bounce back.

Another apparent exception to this rule is that, although our bodies are rough, uneven surfaces, off of which light bounces at random angles, our images reflect off of a mirror. The reason for this apparent contradiction is simply that when we stand in front of a mirror, some, but not all, of the light particles bouncing off of us will hit the smooth surface of the mirror. The ones that do reflect our images back to our eyes at exactly the same angle at which they hit the mirror.

In other words, photons that bounce off of any part of our bodies and hit the mirror reflect back to our eyes from only one place on the mirror, and at only one angle. It follows that each point on our bodies that reflects back to our eyes from one point on the mirror produces an image in the mirror. All of the images together make up our reflections, like it or not. And remember that mirrors don't lie!

Trivia#282

What was the first manned spacecraft to be launched?

Answer

The first manned spacecraft to be launched was the Soviet’s Vostok 1, which left Earth in 1961.

First manned spaceflight, one orbit of the earth. 11 April 1961 was a 'reserve' day in the launch plan, but it was not needed. All the Chief Designers and Military Space chiefs were at the cosmodrome. Gagarin spent that day in meetings with the prominent personalities.

Three press releases were prepared, one for success, two for failures. It was only known ten minutes after burnout, 25 minutes after launch, if a stable orbit had been achieved.

The payload included life-support equipment and radio and television to relay information on the condition of the pilot. The flight was automated; Gagarin's controls were locked to prevent him from taking control of the ship. A key was available in a sealed envelope in case it became necessary to take control in an emergency. After retrofire, the service module remained attached to the Sharik reentry sphere by a wire bundle. The joined craft went through wild gyrations at the beginning of reentry, before the wires burned through. The Sharik, as it was designed to do, then naturally reached aerodynamic equilibrium with the reentry shield positioned correctly.

Gagarin ejected after reentry and descended under his own parachute, as was planned. However for many years the Soviet Union denied this, because the flight would not have been recognized for various FAI world records unless the pilot had accompanied his craft to a landing. Recovered April 12, 1961 8:05 GMT. Landed Southwest of Engels Smelovka, Saratov.

Trivia#283

What does the term "ormer" mean?

Answer

The British term for abalone is "ormer." The word is derived from the Latin for "ear of the sea," alluding to its shape.

An abalone, especially of the species Haliotis tuberculata, found chiefly in the Channel Islands.

Trivia#284

When where metal coins first introduced?

Answer

In 625 B.C., metal coins were introduced in Greece. They replaced grain — usually barley — as the medium of exchange. Stamped with a likeness of an ear of wheat, the new coins were lighter and easier to transport than grain, and did not get moldy.

Trivia#285

When this veteran actor was considering the role of Farmer Arthur Hoggett for the movie Babe (1995), he browsed through a copy of the screenplay to count how many lines he would have. Seeing that there were relatively few lines, he agreed to the part, which he believed would be an effortless, quick job. Who was this actor?

Answer

When veteran actor James Cromwell was considering the role of Farmer Arthur Hoggett for the movie Babe (1995), he browsed through a copy of the screenplay to count how many lines he would have. Seeing that there were relatively few lines, he agreed to the part, which he believed would be an effortless, quick job. That misconception was quickly quashed. Cromwell didn't realize that he would have more screen time, although much of it was non-speaking, in this film than any previous roles in his career.

Trivia#286

Why do body joints make popping sounds?

Answer

Do a deep knee bend, and it's very likely you'll hear popping sounds coming from your knee joints. There are also popping sounds when you "crack your knuckles."

What causes the popping sounds? Actually, two separate and distinct sources are responsible for the familiar popping sounds our joints emit.

The sound heard when our knuckles crack, results when a finger joint is extended almost to the end of its range. The joint, surrounded by a lubricating fluid, is encased in a capsule. At times, we intentionally, or unintentionally, extend the joint so far that the gas dissolved in the fluid spontaneously separates from the solution, forming a small bubble, and making a cracking sound. Not until the fluid reabsorbs the gas can the sound be reproduced. Whether or not there is truth to the old wives tale, that cracking ones knuckles enlarges them, remains open to debate.

On the other hand, the sound produced when we do deep-knee bends, is a snapping sound, produced when our tendons, which are merely the fibers that connect muscles and bones, elastically snap into new positions as our joints move under stress. Because the tendons shift back and forth with the movement of the joint, there is no waiting time before this snapping sound can be reproduced.

Trivia#287

Can a snake can digest bones and teeth?

Answer

The gastric juices of a snake can digest bones and teeth — but not fur or hair.

Trivia#288

When and where did the first state minimum wage law in the U.S. go into effect?

Answer

The first state minimum wage law in the U.S. went into effect in Massachusetts on July 1, 1913. It would be another 25 years before minimum wage law went into effect nationally.

Trivia#289

What is the legend that lives on today at Halloween when people carve pumpkins into Jack O'Lanterns?

Answer

There once was a turnip farmer named Jack who was both very lazy and very quick-witted. One day the farmer tricked the devil into climbing a tree from which he could not get down without Jack's help. The farmer extracted a promise from the devil not to let him into hell in exchange for his help. When Jack died, he went to the underworld but was not permitted to enter on account of the promise. Unfortunately, the farmer was not allowed into heaven either, so he hollowed out one of his turnips and began to wander the world, looking for a place to stay.

This legend lives on today at Halloween when people carve pumpkins into Jack O'Lanterns.

Trivia#290

What causes bad breath?

Answer

It's not your fault if you have bad breath.

In fact, most people with halitosis are so concerned about it that they tend to have far better oral hygiene practices than the average person.

According to the most current research, over 90 percent of all cases of chronic bad breath originate in the mouth, NOT in the stomach, sinuses, or lungs. Virtually all cases of bad breath are caused by Volatile Sulfur Compounds (VSCs). One compound is hydrogen sulfide (the rotten egg smell) and another is methyl mercaptan (the essence of skunk oil).

The source of these compounds is bacteria in the mouth breaking down the cell wall of dead cells. These anaerobic bacteria collect and multiply mainly on the tongue. They thrive in a dry, dark environment such as under the gums, the spaces between the teeth, and the crevices of the tongue.

A person's diet can cause bad breath, because certain foods can trigger a substantial increase of anaerobic bacteria that produce VSCs. Coffee, an integral part of our society, contains acids that decrease oxygenation of the mouth, which, in turn, increases bacteria production. Dairy products, the focus of a recent media blitz promoting healthy eating habits, are high in proteins that the bacteria break down to create the VSCs. Sugar containing mints and chewing gum also produce VSCs, when the anaerobic bacteria break them down. Spicy foods and onions contain sulfur byproducts that are absorbed into the blood stream, and are expelled by the lungs. Additionally, alcohol-containing mouth rinses dry the mouth, causing a condition by the name of xerostomia, or "Dry Mouth Syndrome."

Dieting can cause bad breath in the form of a hunger odor, a.k.a. "morning breath," which goes along with the sensation of hunger. Some evidence leads to the conclusion that this odor is a product of the decomposition and rotting of pancreatic juices, which passes into the stomach while the body fasts. The odor worsens if one skips breakfast.

Gum disease, most certainly, can cause bad breath, because food trapped in gum pockets can rot and ferment, which releases sulfur products, and increases tartar buildup on the teeth, which also traps bacteria that release sulfur products. Most know that smoking causes bad breath, and that heart problems eventually result from the habit, but few realize that smoking causes gum disease, and that gum disease can cause heart problems.

Certain medications, for example blood pressure medication, antidepressant medication, antihistamine medication, and cold medication, just to mention a few, cause "Dry Mouth Syndrome." This syndrome decreases saliva production, leaving the mouth without a lubricant to cleanse itself and to remove food particles.

Distinctive odors are often associated with certain medical conditions, and can play a critical role in detecting and diagnosing potential life-threatening illnesses. Common medical conditions associated with halitosis include respiratory infections, such as infections of the nose, windpipe, or lungs, chronic bronchitis, postnasal drip, and sinusitis. Other conditions include, but are not limited to, diabetes, gastrointestinal disorders, liver or kidney disorders, and metabolic disorders.

Trivia#291

When was the hypodermic needle was invented?

Answer

The hypodermic needle was invented in 1853. It was initially used for giving injections of morphine as a painkiller. Physicians mistakenly believed that morphine would not be addictive if it by-passed the digestive tract.

Trivia#292

Who was the first player to go from high school straight into pro basketball?

Answer

Moses Malone became the first player to go from high school straight into pro basketball in 1974. The move made him the highest salaried teenage athlete in the United States at that time. Malone was signed by the Utah Stars of the American Basketball Association.

Trivia#293

What are the three most recorded songs in the United States since 1950?

Answer

Since 1950, the three most recorded songs in the United States have been "St. Louis Blues," "Tea for Two," and "Body and Soul."

Trivia#294

Why do housecat's fur cause sparks if they're rubbed in the dark.?

Answer

Since housecats are clean and their coats are dry and glossy, their fur easily becomes charged with electricity. Sparks can be seen if their fur is rubbed in the dark.

Trivia#295

How are female shrimp created?

Answer

When a shrimp is first born, it is male, and it gradually evolves to female as it matures.

Trivia#296

Buffalo wings have been around for a lot shorter time than most people think. Where did they get their name?

Answer

Buffalo wings have been so ingrained in our national food culture that it is hard to remember life before wings. But like "One Man, One Vote," Buffalo wings have been around for a lot shorter time than most people think. From the origin in 1964 to today, however, wings are a prime example of a food that incorporates so many of the traits our culture is known for. Thrift - wings, after all, come from the part of the chicken most people threw away or used only for soups and stocks. Ingenuity - the combination of simple, at-hand materials to make a new item. Eating with your hands - while most of us are quite familiar with our principal utensils of fork and knife, there is that childlike satisfaction in eating with fingers, especially when there is a flavorful sauce to lick off.

There is something for most people to like about Buffalo wings and for those many reasons the food has spread rapidly from its origin in Buffalo, New York, and is now part of our national food culture, no longer something you can find only in the Northeastern United States.

Trivia#297

What is the one extra room new-home shoppers want the most?

Answer

The one extra room new-home shoppers want the most is the laundry room, at 95 percent. Only 66 percent of new-home buyers request an extra room to use as an office.

Trivia#298

What is "Scapulamancy"?

Answer

"Scapulamancy" was a method of fortune telling involving the study of cracked shoulder bones.

Trivia#299

Why does it actually get warmer when it snows?

Answer

Snowing does not cause the warmth, the relative warmth causes the snow.

During very cold weather the capacity of the air to contain moisture is greatly reduced. What water vapor remains is deposited as frost. At the same time, evaporation is reduced and therefore air humidity remains low. In these conditions snow cannot form.

Warmer air can hold more moisture before saturation point is reached and the water vapor begins to condense out. So when warmer air moves into cooler areas, not only do we feel the increase in temperature, but the excess vapor precipitates as snow.

Trivia#300

In 1898, Spain signed a treaty officially ending the Spanish- American War. What did it give to the United States?

Answer

In 1898, Spain signed a treaty officially ending the Spanish- American War. It gave GUAM, PUERTO RICO, and THE PHILIPPINES to the United States.

Trivia#301

In 1776, the first scholastic fraternity in America, Phi Beta Kappa, was organized at which Virginia college?

Answer

In 1776, the first scholastic fraternity in America, Phi Beta Kappa, was organized at WILLIAM AND MARY COLLEGE in Virginia.

Trivia#302

In 1953, this U.S. state's first TV station signed on the air. Which state was it?

Answer

In 1953, Alaska’s first TV station signed on the air.

Trivia#303

In 1973, Gerald Ford was sworn-in as vice president under Richard Nixon, replacing Spiro Agnew, who had resigned for what reason?

Answer

In 1973, Gerald Ford was sworn-in as vice president under Richard Nixon, replacing Spiro Agnew, who had resigned in the face of INCOME TAX EVASION CHARGES.

Trivia#304

In 1909, Leo Baekeland patented the process for making this giving birth to the modern plastics industry. What was it?

Answer

In 1909, Leo Baekeland patented the process for making BAKELITE, giving birth to the modern plastics industry.

Trivia#305

In 1971, these two Apollo 14 astronauts walked on the moon for four hours. What were their names?

Answer

In 1971, Apollo 14 astronauts ALAN SHEPARD and EDWARD MITCHELL walked on the moon for four hours.

Trivia#306

The Supreme Court of the United States convened in New York City for its first session. What was the year?

Answer

In 1790, the Supreme Court of the United States convened in New York City for its first session.

Trivia#307

In 1972, 13 Roman Catholics were shot to death by British troops during a banned civil rights march in Londonderry, Northern Ireland. This became known as what event?

Answer

In 1972, in what became known as BLOODY SUNDAY, 13 Roman Catholics were shot to death by British troops during a banned civil rights march in Londonderry, Northern Ireland.

Trivia#308

In 1945, this 24-year-old U.S. Army Private was executed by firing squad for desertion. His was the first execution for desertion since the Civil War. What was his name?

Answer

In 1945, U.S. Army Pvt. EDDIE SLOVIK, 24, was executed by firing squad for desertion. His was the first execution for desertion since the Civil War.

Trivia#309

What can be as big as an elephant, but weighs nothing?

Answer

What can be as big as an elephant, but weighs nothing?

It's shadow

Trivia#310

How many second's are there in a calendar year?

Answer

How many second's are there in a calendar year?

Twelve! January second, February second, March second. . .

Trivia#311

Who was St. Bernard of Menthon?

Answer

St. Bernard of Menthon, who built way stations for tired medieval travelers in the Alps, is the patron saint of mountain climbers. The dog breed was also named for St. Bernard.

Trivia#312

Who invented condensed milk and later the Lazy Susan?

Answer

Inventor Gail Borden, Jr. invented condensed milk in the 1850's and later the Lazy Susan, but he struck out with one other invention: the poorly-received "meat biscuit."