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Science

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 planet. Questions on knowledge about the material and physical aspects of our world are asked and answered here.

203,801 Questions

What rules did Newton say the natural world follows?

Newton came up with three laws(of motion) that govern the universe:

I. Every object in a state of uniform motion tends to remain in that state of motion unless an external force is applied to it.

II. The relationship between an object's mass m, its acceleration a, and the applied force F is F = ma. Acceleration and force are vectors (as indicated by their symbols being displayed in slant bold font); in this law the direction of the force vector is the same as the direction of the acceleration vector.

III. For every action there is an equal and opposite reaction.

Which planet probably don't smell very good?

Venus has an atmosphere with a lot of sulpher in it, which would make it smell pretty bad right before it roasted and crushed you in an instant. Venus sucks man.

Why is Giovanni Bellini Known as the painter of natural light?

Giovanni Bellini is known as the painter of natural light due to his ability to masterfully depict the interplay of light and shadow in his paintings. His use of soft, luminous colors and delicate brushwork created a sense of realism and atmosphere in his works, setting him apart from his contemporaries. Bellini's innovative techniques influenced future generations of artists and established him as a leading figure in the development of the Venetian school of painting.

How can you correct the common eye defect?

Common eye defects like nearsightedness, farsightedness, and astigmatism can typically be corrected by wearing glasses or contact lenses. Refractive surgery, such as Lasik, PRK, or implantable lenses, can also be options to correct these issues permanently. It's important to consult with an eye care professional to determine the best course of action for your specific situation.

How is mist formed outside in the cold?

Mist is formed outdoors in the cold when warm, moist air comes into contact with cooler air or surfaces, causing the water vapor in the air to condense into tiny droplets. This process is known as condensation and it occurs when the air temperature drops below the dew point temperature.

Who is the first scintist?

The concept of the "first scientist" is subjective, as there were many ancient thinkers and scholars who contributed to the development of scientific thought. Some notable early scientists include Aristotle, who made significant contributions to biology and natural philosophy, and Archimedes, who excelled in mathematics and physics.

What is the most major important process for living things?

The most major important process for living things is metabolism, which includes obtaining energy from food, converting it into usable forms, and using it for various functions such as growth, repair, and reproduction. Metabolism also involves the elimination of waste products to maintain balance and sustain life.

Is so massive that its gravity does not even let light escape?

The object you are describing is a black hole. It is a region in space where gravity is so strong that not even light can escape from it, hence why it appears completely black and invisible to outside observers.

What happens to the pull of gravity as the distance between two objects increase?

The force of gravity between two objects decreases as the distance between them increases. This relationship follows an inverse square law, meaning that if the distance between two objects doubles, the gravitational force between them will decrease by a factor of four.

Why was the sky dome built?

The Sky Dome, now known as the Rogers Centre, was built as a multi-purpose stadium in Toronto, Canada. It was constructed to house sporting events, concerts, and other entertainment activities while providing a retractable roof to accommodate various weather conditions.

What is the safety precautions of the sun?

To protect yourself from the sun, wear sunscreen with at least SPF 30, seek shade during peak sun hours (10am-4pm), wear protective clothing like hats and sunglasses, and stay hydrated. It's important to avoid prolonged sun exposure to reduce the risk of skin damage and skin cancer.

What are some ways people use lasers?

People use lasers in various applications such as cutting and engraving materials, medical procedures like eye surgeries and tattoo removal, as well as in communication systems like fiber optics for data transmission. Lasers are also used in scientific research, military weaponry, and even in entertainment such as light shows and laser pointers.

How many sources of light is there in the world?

There are countless sources of light in the world, including the sun, stars, fire, electric lights, bioluminescent organisms, and more. Light is an essential part of our daily lives, providing illumination and enabling us to see the world around us.

Can you die because of a meteor shower?

A meteor shower is the appearance in the sky of the trails of multiple meteors.

When such a bolide reaches Earth it is known as a meteorite.

Certainly, meteorites have struck people - one in Alabama on 30/11/54 weighed in at 4kg. came through the roof, bounced and struck the householder.

So if you were unlucky enough, such a strike could be fatal.

What class do walrus belong to?

easy it belongs in the mammal family i study this topic

What are 3 objects that reflect?

Glasses that you wear on your face. Glasses that you drink out of and of course mirrors.

What is litesphere?

Litesphere is not a term or concept that is widely recognized or defined. It may be a unique or specialized term used in a specific context or field that is not widely known. More context or information would be needed to provide a more detailed answer.

What are the disadvantages of using manned spacecrafts?

Some disadvantages of manned spacecraft include the high costs associated with designing, building, and maintaining them, as well as the increased risk to human life compared to unmanned missions. Manned spacecraft also have limitations in terms of the distance and duration they can travel compared to unmanned probes.

What are morphological adaptations that allow organisms to blend into their surroundings?

Examples of morphological adaptations that help organisms blend into their surroundings include camouflage coloration, such as the ability to change skin color or patterns to match the environment, mimicry to look like another species or object, and body shapes that mimic the texture or shape of the surroundings to avoid detection by predators or prey. These adaptations help organisms to conceal themselves and increase their chances of survival.

Do galaxies farther go faster than ones closer?

Yes, in general, galaxies that are farther away from us tend to be moving away at faster speeds. This is due to the expansion of the universe, where the farther apart two objects are, the faster they appear to be moving away from each other. This phenomenon is described by Hubble's law.

What useful substances can be made from metal oxides?

Agricultural lime (CaO2) is probably the commonest metal oxide, and is made from limestone by roasting the excess water away. (Mostly water of crystallization.)

Grinding materials such as grindstones and emery stones, though not all are METAL oxides. But some ARE made from aluminum oxide - a white material.

Titanium dioxide is a intensely white material much used in the paint industry, as are several varieties of lead oxide.

Arsenic trioxide was used extensively as a weed killer.

Zinc oxide is used as a sunscreen component, but only because it is very opaque.

Sodium hydroxide has wide commercial application.

What colour has the longest wave line?

Red has the longest wavelength among the visible colors.

When was gamebattles made?

GameBattles was founded in 2003 by Major League Gaming (MLG). It was created as a platform for competitive online gaming, offering players the opportunity to compete against each other in various video games.

How does gravitational helps us now?

Gravitational force plays a crucial role in various aspects of our everyday lives by keeping objects on the ground, allowing us to walk and stay upright, and enabling everyday technologies like elevators and cars to function properly. Additionally, gravitational interactions between celestial bodies determine planetary orbits, tides, and other natural phenomena that impact our world.

Why must a quarterback aim higher than his target?

A quarterback must aim higher than his target because the football will drop due to gravity as it travels through the air. By aiming higher, the quarterback compensates for this drop so that the ball reaches the target accurately.