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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

What is the process that refers to the diverse ways in which scientists study the natural world and propose explanations based on the evidence they gather?

The process is called the scientific method. It involves making observations, forming hypotheses, conducting experiments, analyzing data, and drawing conclusions based on evidence. Scientists use this systematic approach to investigate and understand the natural world.

Information scientists collect when doing experiments and making observations?

When conducting experiments and making observations, information scientists typically collect data such as measurements, observations, and other relevant facts related to the research question. This data is collected systematically and accurately to ensure that it is reliable for analysis and drawing conclusions. Scientists may also document any unexpected findings or variables that could influence the results.

Why is it important for scientists to search for new discoveries?

Searching for new discoveries is important because it advances knowledge and understanding of the world around us. These discoveries can lead to breakthroughs in various fields, from medicine to technology, improving our quality of life. Continuous exploration and discovery drive innovation and push the boundaries of human understanding.

Which scientist applied the concept of a quantum to explain the photoelectric effect?

Albert Einstein applied the concept of a quantum to explain the photoelectric effect in his 1905 paper. He proposed that light consists of discrete packets of energy called photons, which interact with electrons in materials to release them from the surface.

Why did Nikola Tesla invent the fluorescent lighting?

Nikola Tesla did not invent fluorescent lighting. The modern fluorescent lamp was actually invented by Peter Cooper Hewitt in the early 20th century. Tesla did, however, make significant contributions to the field of electrical engineering and worked on various technologies including alternating current (AC) electricity and radio communication.

Are digital and clinical thermometers same?

Digital and clinical thermometers are not necessarily the same. Digital thermometers can encompass a wider range of types, including both clinical and non-clinical variations. Clinical thermometers, on the other hand, are specifically designed for medical use to measure body temperature accurately.

What obstacles did albert Einstein overcome a scientist?

Albert Einstein faced challenges such as struggling in school, facing discrimination as a Jewish scientist in Germany, and having his ideas initially rejected by some in the scientific community. Despite these obstacles, he persisted in his research and ultimately revolutionized the field of physics with his groundbreaking theories.

What school did Richard Feynman get his PHD?

Richard Feynman received his PhD in theoretical physics from Princeton University in 1942.

What did nikola tesla do in the US?

Nikola Tesla was an inventor and electrical engineer known for his contributions to the development of the alternating current (AC) electrical system. He conducted experiments and patented a variety of technologies during his time in the United States, including the Tesla coil and the Tesla turbine. Tesla also worked on wireless communication and wireless transmission of electrical power.

Who are the scientist behind the kinetic molicular theory?

Daniel Bernoullipublished an article describing a theory on this subject in 1743. However, it wasn't until the latter half of the next century that a statistical view developed by James Clerk Maxwelland Ludwig Boltzmann convinced physicists and chemists that individual molecules in a gas could be viewed as independent, rapidly moving bodies.

Did Nikola Tesla get any credit for his inventions?

Nikola Tesla did receive credit for his inventions during his lifetime, but he faced challenges in commercializing and monetizing them. He was known for his contributions to the development of alternating current (AC) electricity systems, radio technology, and wireless communication. Tesla's work has been recognized posthumously, and he is now considered one of the most influential inventors in history.

Why do scientist use metric units?

Scientists use metric units because they provide a standardized and consistent system of measurement that is easier to convert and compare across different experiments and studies. The metric system is based on powers of ten, which makes calculations simpler and more accurate. Additionally, the use of metric units allows for easier collaboration and communication among scientists worldwide.

What scientist described all radiant energy as behaving like a stream of particles?

Albert Einstein introduced the concept of the photon in 1905 through his theory of the photoelectric effect, which described light as composed of discrete particles called photons. This idea revolutionized the understanding of light and laid the foundation for the field of quantum mechanics.

Scientists may disregard data that conflicts with their personal preferences?

It is important for scientists to remain objective and unbiased when analyzing data, regardless of personal preferences. Disregarding conflicting data could lead to biased results and hinder the progress of scientific understanding. Scientists should strive to follow the scientific method and consider all data, even if it challenges their preconceived notions.

Who helped albert Einstein become what he was?

Albert Einstein was influenced by several key figures, including physicist Max Planck, mathematician Hermann Minkowski, and philosopher Ernst Mach. His close collaboration with fellow physicist Mileva Marić also played a significant role in his development of groundbreaking theories in physics. Ultimately, it was Einstein's own curiosity, creativity, and perseverance that led to his revolutionary contributions to the field of theoretical physics.

When did nikola tesla invent the remote control?

Nikola Tesla invented an early form of remote control known as the teleautomation system in the late 19th century, around the 1890s. His technology laid the foundation for modern remote control devices.

How do scientists gather information about the natural world?

Scientists gather information about the natural world through a variety of methods, including observations, experiments, field studies, data collection, and analysis. They may use tools such as microscopes, telescopes, sensors, and satellites to gather data and conduct research to understand natural phenomena and processes. Collaboration with other scientists, publication of results, and peer review are also important aspects of the scientific process.

What did scientist make in 1895?

In 1895, scientists discovered X-rays, a form of electromagnetic radiation that can pass through solid objects. This breakthrough revolutionized the field of medical imaging and led to the development of X-ray technology for diagnostic purposes.

What method would best allow these three different scientists to demonstrate their concepts?

For a physicist, conducting controlled experiments and analyzing data would be the best method to demonstrate their concepts. For a biologist, conducting field studies and experiments on living organisms would be ideal. For a psychologist, conducting experiments, surveys, and observational studies to gather data on human behavior would be the method of choice.

Which scientist first stated the relationship between bouyant force and weight of a displaced fluid?

Archimedes was the scientist who first stated the relationship between buoyant force and weight of a displaced fluid. He discovered the principle while trying to determine if a gold crown was made of pure gold.

How did Nikola Tesla create the alternating current?

Nikola Tesla developed the concept of alternating current (AC) by designing a system that used a rotating magnetic field to generate AC electricity. He developed different types of electrical transformers and induction motors that were crucial for the widespread adoption of AC power systems. Tesla's contributions to AC technology are fundamental to how electricity is generated and distributed today.

Why are scientist using a placebo?

Scientists use a placebo to check that the variable they are changing actually is responsible for the results they see.

It is like a control experiment, allowing you to compare the trial with it to see if there is any effect.

It also counteracts the "placebo effect". For example, this is when someone taking a drug calims they "feel better" despite the drug not actually having any effect. Therefore, by giving some test subjects a placebo and some the drug being tested and not telling them which is which, you can eliminate the placebo effect from the test.

Where did tesla invent the tesla coil?

Nikola Tesla invented the Tesla coil in his workshop in New York City in the late 19th century. He first publicly demonstrated the device in 1891 at the American Institute of Electrical Engineers.

Why was Bohr's model modified?

The Bohr model of the atom was wrong. Bohr himself was well aware of it; under classical (Newtonian) physics, a charged particle such as an electron moving in a curved path should give off radiation, lose energy, and spiral into the nucleus. Clearly (according to the math) this should be happening. Clearly (since we exist and our atoms aren't all self-destructing) it was not happening. This was sort of hand waved away by positing that the electron must ... for reasons unknown ... travel only in orbits with certain path lengths, but no one knew of any reason this should be the case, and it wasn't intellectually very satisfying.

The "cloud model" ... I assume you mean here the quantum mechanical representation of the atom ... avoids this problem; the electron isn't "orbiting", but exists in a sort of mathematical limbo called an orbital, which is an eigenfunction of the Schroedinger equation.

The Bohr model wasn't really "modified" so much as "entirely replaced" by the quantum mechanical representation.

Why is it good for scientist to be skeptical?

When scientists are skeptical, the are more likely to find new thing. When scientists are not skeptical, they are less open to opportunities. For example, if scientists were not skeptical of the idea the Earth was flat, then they would have continued many many more years without knowing the true shape of the world. Also, without scientists skepticism, they would not have found out that the planets rotated around the sun, not that everything rotates around Earth.