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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 glucose a base acid or neutral?

Glucose is a neutral compound. It is a type of sugar that is neither acidic nor basic.

Why do all scientist use the same symbol cl for clorine?

The symbol "Cl" for chlorine originates from its Latin name "chlorum." The use of standardized symbols for elements, like "Cl" for chlorine, helps ensure consistency and clarity in scientific communication. This systematic approach allows scientists worldwide to easily recognize and represent chemical elements in a uniform manner.

What is the difference between ionic crystals and metallic bonding?

Ionic crystals form when positively and negatively charged ions are held together by strong electrostatic forces, leading to a strong and brittle structure. Metallic bonding occurs in metals, where freely moving electrons surround positively charged metal ions, creating a delocalized electron sea that allows for good electrical conductivity and malleability in metals.

Who was the ancient Greek scientist who discovered the fact that when a piece of amber was rubbed with fur it produced a charge which could attract light objects like feather and straw?

The ancient Greek scientist who discovered this phenomenon was Thales of Miletus. He observed that amber could generate static electricity when rubbed with fur, leading to the attraction of light objects like feathers and straws.

What did Louis Pasteur discover about microorganisms?

He carefully observed the crystals under his microscope. His thorough organization and attention to detail helped him to detect what others had missed-there were actually two different types of paratartrate crystals, one being the mirror image of the other. His slow and cautious approach, which had been mistaken for lack of ability in his childhood, turned out to be one of Pasteur's greatest assets. Not only did he earn his higher degree, but he also became well known among research scientists.

Who taught Nikola Tesla?

Nikola Tesla was primarily self-taught through his own experiments and readings. He began his education at Technical University of Graz, but left before completing his degree. Tesla later worked under Thomas Edison before establishing his own laboratories and conducting groundbreaking research in the fields of electricity and electromagnetism.

Who were Nikola Tesla's brothers and sisters?

Milka, Angelina and Marica Telsa, were his sisters and Dan his older brother who died young.

How long did Nikola Tesla work with Thomas Edison?

Nikola Tesla worked for Thomas Edison for about a year in the 1880s before leaving due to disagreements over payment and differing opinions on electrical technology.

How do you get argon gas out of lungs?

Argon gas naturally exits the body when you exhale. There is no specific method to target the removal of argon gas from the lungs, as it is removed through the normal respiratory process. If you are exposed to high levels of argon gas, seek fresh air and medical assistance.

What scientist hypothesized that light was an electromagnetic wave?

James Clerk Maxwell is the scientist who hypothesized that light was an electromagnetic wave in the 19th century. His equations describing electromagnetic fields played a crucial role in unifying electricity and magnetism into a single theory.

What is Einstein's attitude towards leadership?

Einstein believed that good leadership should be based on integrity, humility, and a strong ethical compass. He emphasized the importance of leading by example and fostering a culture of collaboration and open communication within an organization. Einstein also stressed the need for leaders to be adaptable, innovative, and willing to embrace change.

What scientist well known for is theory of relativity?

Albert Einstein is well known for his theory of relativity, which revolutionized our understanding of space, time, and gravity. His work includes the famous equation E=mc^2, demonstrating the relationship between energy and mass.

How is a change in an object's direction related to the applied force?

A change in an object's direction is related to the applied force through Newton's second law of motion, which states that the acceleration of an object is directly proportional to the net force acting on it and inversely proportional to its mass. When a force is applied in a different direction than the object's velocity, it causes the object to change its direction by accelerating it in the new direction.

What kind of scientist studies carbon substances?

Organic Chemists spend 100% of their time studying and working with Carbon-based (Organic) Chemicals.

Many Mining and Chemical Engineers do too, depending on their area of major concentration.

Which remedy was invented by English scientist Alexander Fleming?

Alexander Fleming discovered the antibiotic penicillin in 1928, revolutionizing the treatment of bacterial infections and saving countless lives.

What did Alexander Fleming Louis Pasteur and Anton Van descover?

Alexander Fleming discovered penicillin, Louis Pasteur discovered the principles of vaccination and pasteurization, and Anton Van Leeuwenhoek discovered the existence of microorganisms through his early microscope.

What do scientist use to measure the energy content of foods?

Scientists use a tool called a bomb calorimeter to measure the energy content of foods. This device burns a sample of the food in a controlled environment and calculates the amount of heat produced, which is used to determine the energy content in the form of calories.

What effect does drugs have on consciousness?

A variety of psychoactive drugs have notable effects on awareness. These range from a simple dulling of awareness produced by sedatives, to increases in the intensity of sensory qualities produced by stimulants:caffeine, cannabis, or most notably by the class of drugs known as psychedelics. These can produce major distortions of perception, including hallucinations. There is substantial evidence that alterations in the brain system that uses the chemical neurotransmitter serotonin play an essential role.

What do isotopes enable scientist to determine?

Isotopes enable scientists to determine the age of rocks, archaeological artifacts, and organic materials through radiometric dating. They can also be used to track the movement of substances in the environment, such as pollutants or nutrients, through isotope analysis. Additionally, isotopes can provide insights into biological processes, such as photosynthesis and respiration, by studying the stable isotopes present in organic matter.

What was developed by French chemist Antoine-Laurent Lavoisier?

Antoine-Laurent Lavoisier is known for developing the law of conservation of mass, which states that matter is neither created nor destroyed in a chemical reaction. He also helped establish the modern field of chemistry by creating a systematic method of naming chemical compounds.

What is the out put of tesla coil in power?

The Tesla Coil is used to produce fantastic high voltage long sparking displays. It takes the output from a 120vAC to a several kilovolt transformer and driver circuit and steps it up to an extremely high voltage. Voltages can get to be well above 1,000,000 volts and are discharged in the form of electrical arcs. Yours could be smaller depending on the size of the project.

What happens to scientists whose work is discredited?

The precise consequences for a scientist whose work has been discredited will vary considerable from context to context. In general terms, however, scientists whose findings have been shown to be false will respond in one of several ways: First, they may refuse to accept the judgment made, perhaps by engaging in significant efforts to justify their work; second, they may return to their foundations and resume their work (presumably, in a more creditable fashion); third, and more rarely, they may give up their scientific work altogether, whether by choice or as a result of the severity of the reaction of the scientific community.

Why do you need the Tesla coil?

Tesla coils are used primarily for entertainment and educational purposes. They produce high voltage, high frequency electric sparks that are visually impressive. They are also used in research and demonstrations of principles of high frequency electricity.

Who are some scientist who study heat?

Some scientists who study heat are physicists, engineers, and researchers in the field of thermodynamics. They investigate how heat transfers and how it can affect materials and systems. Some notable scientists who have made contributions to the study of heat include James Clerk Maxwell, Rudolf Clausius, and Josiah Willard Gibbs.