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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 is foam blown polyurethane used for?

Foam blown polyurethane is used for insulation in buildings, appliances, and vehicles. It helps in regulating temperature, reducing energy costs, and providing structural support. Additionally, it is also used in packaging materials for protecting fragile items during shipping.

Where in NJ did thomas Edison work?

Thomas Edison worked in Menlo Park, New Jersey. He established his famous laboratory there in 1876, which became known as the "invention factory" and was the site of many groundbreaking innovations, including the invention of the phonograph and the incandescent light bulb.

Did Apollo 11 loose contact with earth?

No.....the oxygen tanks were destroyed and while it was reaching near Earth it lost contact(which is normal) but this was a major problem because that was a very very crucial time with no fuel in Appolo !!

What is the lowest temp on Earth?

The lowest recorded temperatures on Earth occur at remote locations in Siberia and Antarctica, which receive minimal solar heating and little oceanic heat transport. At the Antarctic's Vostok Station (operated by Russia), they reported in the winter of 1997 a low temperature of -91°C (-132°F), which is an unconfirmed world's record.

The same station holds the confirmed record, from July 21, 1983, a minimum temperature of -89.2°C (-128.6°F)

How do astronauts breathe?

Astronauts breathe using the life support systems on their spacecraft or spacesuits. These systems provide a controlled supply of oxygen for them to breathe while in space. Inside the spacecraft, the air is managed to ensure astronauts have a safe and breathable atmosphere.

What is Earth's posistion in the Solar System?

the earth's position in the solar system is the third from the sun.

How many Mars fit in the sun?

The people that have been telling you that you could fit less than 1.3 million mars planets in the sun are wrong, well obviously there can not be 1,000 because the amount of earths that can fit in the sun is over 1.3 million! so think of the size of the earth compared to mars, mars is way smaller! so there has got to be more than 1.3 million mars planets that can fit in the sun think on that. I also found out that the earth is roughly half the size of the earth. so multiply 1.3 million by two(1.3 million = 1,000,300), which would equal 2,000,600 (1,000,300 x 2 = 2,000,600)

so 2.6 million mars planets can fit in the sun ( the last person that wrote on hear, there answer was 1,481)

What was Frances Bacon contribute to science?

Frances Bacon is known for his development of the scientific method, which emphasized systematic observation, experimentation, and inductive reasoning to advance scientific knowledge. He believed that acquiring knowledge through empirical evidence and critical thinking would lead to progress in science and society. Bacon's work laid the foundation for modern scientific inquiry and experimentation.

What type of stone is the Bermuda Lucky Stone?

The Bermuda Lucky Stone is actually a type of fossilized coral called Halysites catenularia. It is a distinctly patterned stone with tubular structures, and it is believed to bring good luck to those who possess it.

Does rust form faster in the heat or in the cold?

Based purely on the knowledge of chemistry, rust forms faster in the heat. Rust is the oxidation of iron and this reaction will occur at a faster rate at a higher temperature as the molecules are provided with more kinetic energy. However, the rate of 'rusting' also depends on humidity etc.

How hot is mars crust?

Mars does not have a molten core like Earth, so its crust doesn't reach high temperatures like terrestrial crust. The average temperature of Mars' crust is estimated to be around -80 degrees Celsius (-112 degrees Fahrenheit).

What is a small particle that moves outside the nucleus and carry a negative charge?

Electrons are small particles that move outside the nucleus of an atom and carry a negative charge. They play a key role in chemical reactions and the behavior of atoms.

What is the english word for erisakthi?

There is no direct English equivalent for the Tamil word "erisakthi." It may be a regional or colloquial term that doesn't have a direct translation in English.

What is the EnglishWOrd for erisakthi?

FUEL is the english word for erisakthi (Tamil)

How did Kepler calculate the orbits of planets?

Kepler used Tycho Brahe's precise observational data to formulate his three laws of planetary motion. These laws described the shape and speed of planetary orbits as ellipses and showed that planets move at varying speeds along their orbit. Kepler's calculations were based on observation and meticulous mathematical analysis, laying the foundation for modern celestial mechanics.

Why were themometers invented?

Thermometers were invented to measure temperature accurately in various settings such as in the medical field, scientific research, and industrial processes. They provide a standardized way to quantify and monitor changes in temperature, allowing for better control and understanding of thermal conditions.

What is the biography of jay miner?

Jay Miner was born in Prescott, Arizona on May 31st 1932. He is currently employed by Amiga Corporation. He founded Amiga Corporation. Miner graduated from University of California, Berkeley. He had occupations including engineering services business and engineer. He died in Mountain View (Silicon Valley), California in June 1994 aged 62 years and 1 month old.

What does Laika mean?

Laika is Russian - literally - for "barker"!!

The Soviet Union launched a dog named "Laika" into space aboard the Sputnik 2 space capsule.

Laika is also the name for a type of hunting dog. There are three breeds - the Russian European Laika, the East Siberian Laika and the West Siberian Laika. Note that Laika, the dog that went to space, is in fact a mongrel.

How many hours in 10 years?

There are 87,600 hours in 10 years (365 days/year * 24 hours/day * 10 years).

What side of the house gets the most sunlight?

This depends on the specific location and orientation of the house. In the northern hemisphere, the south-facing side typically receives the most sunlight throughout the day. In the southern hemisphere, the north-facing side tends to get the most sunlight.

Why does the Southern Hemisphere have different seasons?

Because the Earth is tilted on its axis, so when the Northern Hemisphere is tilted toward the Sun (Summer, in the North) the Southern Hemisphere is tilted away from the Sun (Winter, in the South) and vice versa.

Why is it not always helpful to represent the natural world with models?

Models are simplified representations of complex systems, which means they may overlook important details and interactions present in the natural world. This oversimplification can lead to inaccurate predictions and limited understanding of natural phenomena. Additionally, models are based on assumptions that may not always hold true in real-world conditions, resulting in unreliable outcomes.

What are sources of heat and light?

Heat and light are generated by various chemical and nuclear reactions. The energy in fossil fuels was originally in dead plant matter, which had absorbed energy from the Sun. Geothermal heat energy comes from the molten layers of rock beneath the Earth's crust.

Other than these three (solar, fossil fuel, or geothemal), light can be generated from electricity from hydroelectric power, chemical reactions (glow sticks), bioluminescence (fireflies), and from direct nuclear emissions (radium/phosphor watch dials).

Why was eyeglasses invented?

Glasses are used to protect the eyes (such as radiation, anti-UV, anti-glare, etc.),

Correction of nearsightedness, farsightedness, astigmatism and improve visual function, see clearer, eyes will not be so tired,

Glasses can also be used to decorate the contours of the face, and so on

The role of a variety of different glasses, such as sunglasses, polarized sunglasses, driver mirror, swimming goggles, anti eyepiece, myopia, reading glasses and so on!