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Scientists

This category is for questions about the people who apply the scientific method to solve problems, introduce new concepts, and strive to explain the natural world.

9,527 Questions

Why do scientists perform three trials for their experiment?

Scientists perform three trials for their experiment to increase the reliability of their results. By conducting multiple trials, scientists can assess the consistency and reproducibility of their findings, reducing the impact of outliers or random variability. This approach helps to improve the confidence in the validity of the experimental results.

How do scientist clean polluted water?

Scientists often use a combination of physical, chemical, and biological methods to clean polluted water. These methods can include sedimentation, filtration, chemical treatment, and biological treatment using microbes or plants to break down pollutants. Advanced technologies like membrane filtration, ultraviolet treatment, and ozone treatment can also be used to remove contaminants from water.

What did thomsons cathode-ray tube experiments help scientists learn?

Thomson's cathode-ray tube experiments helped scientists discover the existence of negatively charged particles, or electrons, and their fundamental role in the structure of atoms. This laid the foundation for the development of the atomic model and contributed to the field of particle physics.

How tall was Niels Bohr?

Niels Bohr was sub-atomic in height. This is how he figured out how atoms work. Wolfgang Pauli was even smaller, which is how he knew about electrons. They teamed up for a film in the twenties, but no one could see them. It was merely postulated that they were there.

Why doen't the future depend primarily on the work of scientists?

The future depends on various factors including social, economic, political, and environmental aspects, in addition to scientific advancements. While scientists play a critical role in shaping the future through research and innovation, societal values, policy decisions, and individual actions also heavily influence what lies ahead. Collaboration across different sectors is key to addressing complex challenges and creating a more sustainable future.

Who is the scientist discovered SI unit?

The scientist who is credited with discovering the SI (International System of Units) is Gabriel Mouton, a French clergyman and mathematician. He proposed the system in 1670. The SI system is now the most widely used system of measurement worldwide.

Why does a scientist use tools for taking accurate measurement?

Scientists use tools for taking accurate measurements to ensure precision, consistency, and reliability in their data collection. This allows for more accurate analysis, interpretation, and comparison of results, leading to more robust and trustworthy scientific conclusions.

How do scientists explain different illusions?

Scientists explain different illusions as tricks that happen in the brain, where perception does not match reality. Illusions occur due to the brain's interpretation of sensory information, which can be influenced by factors like context, expectations, and past experiences. Studying illusions helps scientists understand how the brain processes information and can provide insights into perception and cognition.

What was the name of the scientist that said matter was made of many elements and is considered the founder of modern chemistry?

Antoine Lavoisier is the scientist who proposed that matter is made of many elements and is widely considered the founder of modern chemistry.

What was the name of the scientist who came up with the concept of the mole?

The concept of the mole was developed by the chemist Count Maurice Pérotin.

Why would a scientist publish his research?

Scientists publish their research in order to share their findings with the scientific community, contribute to the body of knowledge in their field, receive feedback from peers, gain recognition for their work, and potentially advance in their academic or professional career.

What did the recorded shock waves tell American scientists?

The recorded shock waves told American scientists that the Soviet Union had successfully launched the artificial satellite Sputnik into orbit on October 4, 1957. This event marked the beginning of the space age and caused concern in the United States about Soviet technological advancements.

How can scientists learn about an organism's ancestors other than fossils?

Fossils can be used as records because they contain the remains of creatures from long ago. Fossils show evolution (what prehistoric fish were like for example) and they can show what type of climate an area use to be (For example if you find a fish in your backyard then a long time ago that entire area was under water).

Why do scientists believe in the principle of superposition?

Scientists believe in the principle of superposition because it is supported by experimental evidence. It accurately describes the behavior of particles at the microscopic level, particularly in the realm of quantum mechanics. This principle is essential for understanding phenomena such as interference patterns and wave-particle duality.

What type of scientists study to obtain knowledge?

Scientists who study to obtain knowledge are generally called researchers or scientists. Their specific field of study will determine their title, such as biologist, chemist, physicist, or sociologist. Each scientist focuses on a particular area for research to gain new insights and understanding in that field.

James Prescott Joule and what did he die of?

James Prescott Joule FRS

Born: 24-Dec-1818

Birthplace: Salford, Manchester, England

Died: 11-Oct-1889

Location of death: Sale, England

Cause of death: Illness

Remains: Buried, Brooklands Cemetery, Sale, England

Who did Richard feynman marry?

Richard Feynman married his first wife, Arline Greenbaum, in 1942. They were married until her death in 1945. He later married Mary Louise Bell in 1952.

How do scientists use half lives to determine age?

Scientists use the concept of half-life to determine the age of a sample by measuring the remaining amount of a radioactive isotope in the sample. By knowing the half-life of the isotope and the initial amount present, they can calculate how much time has passed since the sample was formed. This method is commonly used in radiometric dating of rocks, fossils, and other materials.

Who is the scientist that discovered atoms contained a nucleus?

Ernest Rutherford is the scientist who conducted the gold foil experiment in 1909, which led to the discovery that atoms contain a nucleus at their center. This experiment showed that the nucleus is small and positively charged, while the rest of the atom is mostly empty space.

Does Bohr's atomic model look like an onion?

No, Bohr's atomic model does not look like an onion. It represents the atom as a small, positively charged nucleus surrounded by orbiting electrons in fixed energy levels. The model is more complex and based on quantum mechanics principles.

Which scientist discovered the laws of gravity an inertia?

Sir Isaac Newton is credited with discovering the laws of gravity and inertia. His work laid the foundation for classical mechanics and our understanding of motion and force.

A cook would make a good scientist?

Both a cook and a scientist require precision, experimentation, and attention to detail. A cook uses these skills to create delicious dishes by following recipes and techniques, while a scientist uses them to conduct experiments and analyze data to make new discoveries or advancements in knowledge. So, a cook could potentially make a good scientist with the right training and interest in scientific principles.

What famous scientist in the field of fluid mechanics and what are they most known for?

One famous scientist in the field of fluid mechanics is Leonhard Euler. He is known for his contributions to the Euler equations, which describe the motion of fluids and are essential in the study of fluid dynamics and aerodynamics.

Why do scientists use ammeters?

Scientists use ammeters to measure the flow of electric current in a circuit. Ammeters are connected in series to the circuit and provide a precise measurement of current in amperes, helping scientists analyze how electricity is behaving within a system.