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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

Is James Dyson a Scientist?

James Dyson is an inventor, engineer, and entrepreneur known for founding the Dyson company and creating innovative vacuum cleaners and other products. While he is not a scientist in the traditional sense, he has a background in engineering and design.

Why do scientists need to be accurate when they measure?

Scientists need to be accurate when they measure because precise measurements are essential for obtaining reliable data and drawing valid conclusions. Inaccurate measurements can lead to flawed results and incorrect interpretations of scientific phenomena. Precision in measurements helps ensure the integrity and credibility of scientific research.

What did scientist do to try and figure out how an atom might look and act?

Discoveries take place by chance but when you try to understand something else. Ancient alchemists wanted to make gold from other metals and by the way the next generation scientists experimented and postulated atomic structure revising and improving the knowledge from time to time. The alchemists may not exist but science branched out into myriad sciences and technologies. It all started from philosophy of matter. Bohr model is considered to be the first and foremeost affirmative postulate to describe the atomic structure.

PS: This answer needs improvement from physicist and chemist point of view.

What did Richard Feynman major in?

Richard Feynman majored in physics. He made significant contributions to the field of theoretical physics, particularly in quantum mechanics and quantum electrodynamics. He was awarded the Nobel Prize in Physics in 1965 for his work in this area.

Scientists need to be skeptical so that they can?

Scientists need to be skeptical in order to question assumptions, critically evaluate evidence, and ensure the validity and reliability of their findings. By being skeptical, scientists can avoid bias, uncover errors, and make more accurate conclusions based on empirical evidence.

Who are the some famous scientists and what are their contributions to the fields of electricity?

Some famous scientists in the field of electricity are Michael Faraday, who discovered electromagnetic induction and built the first electric motor, and Thomas Edison, who invented the practical electric light bulb and the electrical distribution system. Nikola Tesla also made significant contributions to electricity with his work on alternating current (AC) power systems and the development of the Tesla coil.

What did Nikola Tesla look like?

Nikola Tesla was a tall, slender man with a prominent nose and piercing eyes. He often had a well-groomed appearance and was known for his distinctive mustache. Tesla's signature style included a formal suit and bow tie.

How did James Andrew Harris the chemist die?

James Andrew Harris, a chemist, died in a lab explosion while conducting an experiment.

What did Nikola Tesla do in physical science?

Tesla discovered the rotating magnetic field, a fundamental principle in physics and the basis of nearly all devices that use alternating current. The Tesla coil, which he invented in 1891, is widely used today in radio and television sets and other electronic equipment. He was revolutionizing modern physical science at the time.

Who is the scientist that discovered soundwaves?

Heinrich Rudolf Hertz is the scientist credited with discovering soundwaves. Hertz showed that sound involves the propagation of waves through a medium and laid the foundation for the study of acoustics.

What do scientist do after they analyze results of experiments?

After analyzing the results of experiments, scientists typically draw conclusions, publish their findings in scientific journals, present their results at conferences, and use the information to inform future research or practical applications.

What is the amperage draw of a Tesla coil?

Ever since Nikola Tesla invented a high-voltage, high frequency coil, science experimenters have been intrigued with their own variations on his coil. In Tesla's time, high-frequency current was obtained with an induction coil as a primary source of power. In the related links below, I posted a site that will explain everything you should know about the Tesla Coil.

Scientists discovered that 0.994 gram sample will absorb 202.7 joules of heat when the temperature is increased only 5.00 Celsius What is the significant heat of this new substance?

The specific heat of the substance is determined using the formula q = mcΔT, where q is the heat absorbed, m is the mass, c is the specific heat, and ΔT is the temperature change. Rearranging the formula to solve for c gives c = q / (mΔT). Substituting the given values: c = 202.7 J / (0.994 g * 5.00°C) = 40.7 J/g°C.

How many volts of electricity does a tesla coil have?

Your first touch of live primary Tesla coil voltage (10000 volts) has a good chance of being fatal and will easily stop your heart. The coil dicharge goes up to one and a half millions volts.

What were some notable contributions by scientist Nikola Tesla?

Nikola Tesla made notable contributions to the development of alternating current (AC) electrical systems, wireless communication, and the invention of the Tesla coil. He also conducted groundbreaking work in the field of electric power generation and transmission. Additionally, Tesla's experiments laid the foundation for modern electrical engineering and many of his ideas paved the way for future technological advancements.

Contribution of a scientist towards electromagnetism?

The study of electromagnetism was influenced greatly by scientists such as Faraday and Orsted. Faraday did many experiments on the effects of electricity and magnetism that were studied by future scientists.

Where were Nikola Tesla's parents born?

Nikola Tesla's father, Milutin Tesla, was born in the village of Tomingaj, in modern-day Croatia, which was part of the Austrian Empire at the time. His mother, Georgina Mandić, was also born in modern-day Croatia, in the village of Smiljan.

Who are the scientist who are involved in radioactivity?

Some notable scientists involved in the study of radioactivity include Marie Curie, Pierre Curie, Henri Becquerel, Ernest Rutherford, and Wilhelm Roentgen. These scientists made significant contributions to our understanding of radioactive elements and their properties.

Where is Tesla the sciencetist from?

Nikola Tesla, the scientist and inventor, was born in Smiljan, which is located in modern-day Croatia. He was born on July 10, 1856. Tesla later moved to the United States, where he conducted much of his groundbreaking work in electrical engineering and technology.

What did louis pasteur observe?

Louis Pasteur observed that heating liquid to a certain temperature can kill harmful bacteria, a process now known as pasteurization. He also observed that microbes were responsible for fermentation and spoilage of food, leading him to develop the process of microbial fermentation.

What was the name of the scientist that first postulated the theory of atomic structure?

The scientist who first postulated the theory of atomic structure was John Dalton. He proposed his atomic theory in the early 19th century, suggesting that elements are composed of indivisible particles called atoms.

What is the invention of james Rutherford?

Scientist?? I've never heard of James Rutherford. But there was an Ernest Rutherford. He studied radioactive decay of some elemnts and recieved the Noble Prize for that. But he is probably better known for the Gold Foil Experiment in which he discovered that the atom has a heavy, positively charged center that he called the nucleus.

Nikola Tesla lives and contribution to science?

Nikola Tesla was a Serbian-American inventor, electrical engineer, and physicist known for his work in developing alternating current (AC) electrical systems. His inventions and contributions to science include the Tesla coil, inventions related to wireless communication and radio technology, and the development of the modern electric power system. Tesla's work laid the foundation for many technological advancements in the 20th and 21st centuries.

10 famous filipino physicist and their contribotions?

Alcaraz, Arturo: was a leading member of a team that used steam produced from the heat of a volcano to produce electric power in 1967.

Banatao, Diosdado: introduced or developed accelerator chips that improved computer performance, helped make the internet possible by contributing to the development of the Ethernet controller chip, created the local bus concept for personal computers.

Campos, Paulo: wrote many papers in the field of nuclear medicine and was instrumental in building the first radioisotope lab in the Philippines.

Comiso, Josefino: the first person to discover a recurring area of open water in sea ice in the Cosmonaut Sea. Comiso was studying global warming at the NASA Goddard Space Flight Center.

Maramba, Felix: developed a profitable biogas system, building a power generator fuelled by coconut oil.

Zara, Gregorio: discovered around 1930 the law of electrical kinetic resistance ("Zara Effect"). In 1955 he patented a two-way videophone. In the 1950's and 1960's he developed or improved alternate energy technologies.

(sorry i only got 6)

The half life of Au198 is 2 7 days When there are 800 atoms of Au198 in a sample a scientist starts a stopwatch The scientist stops the stopwatch at 8 1 days there are atoms of Au198 rema?

At 8.1 days, 400 atoms of Au198 would remain in the sample. This is because after 8.1 days, two half-lives of Au198 have passed, reducing the initial 800 atoms to 400.