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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 study of plants?

The study of plants is called botany, the person who studies plants is called a botanist. Botany is a field of Life Sciences which looks at the classification and physical characteristics of plants.

A person who studies the interaction of plants and animals in an environment is called an ecologist or environmentalist.

A person who grows plants is called a horticulturist.

How many brothers and sisters did Nikola Tesla have?

Nikola Tesla had one brother, Dane, or Daniel. Dane died from a horse accident when Nikola was 5. Nikola had 3 other sisters, Milka, Angelina, and Marica.

How did Nikola Tesla change your lives?

A world without Nikola Tesla would be very different from our's today. His work was absolutely brilliant. A common misconception today is that Thomas Edison developed the electrical systems we have today, but actually we use Tesla's. We use Tesla's lightbulb and his alternating current system. His motors are the same motors used in our cars today. He invented the radio and wireless communication. There are many inventions he made that aren't even credited to him, such as x-rays, neon lighting, the microwave, the electron microscope, fluorescent lightbulbs, and the speedometer. He also pioneered many cutting-edge technologies, such as robotics. Not only was he an inventor, but he also an important contributor to our understanding of physics. He discovered that the earth and humans can act as electrical conductors themselves, allowing wireless transfer of radio waves. He was one of the few people of his time to truly understand about the electromagnetic field. Tesla made many military technologies too, such as VTOL (Vertical Take Off and Landing), used by our military aircraft today. He also invented many things the general public doesn't even know about, such as the "Star Wars" Defense System, the ballistics defense system used during the Reagan Administration during the Cold War. The people of today are still using Tesla's inventions, stuff that was made in the late 19th century, to pioneer new 21st century technologies. Nikola Tesla was one of the greatest people who ever lived.

What are some famous quotes by Nikola Tesla?

  1. "The present is theirs; the future, for which I really worked, is mine."
  2. "If you want to find the secrets of the universe, think in terms of energy, frequency and vibration."
  3. "Let the future tell the truth, and evaluate each one according to his work and accomplishments. The present is theirs; the future, for which I have really worked, is mine."

What kind of scientist are there?

Paleontologist-studys fossils of once living organisms

Geologist-studys rocks

Geochemist-studys the creation of rocks

Volcanologist-studys volcanoes

Entomologist-studys insects

Biologist-studys living organisms

Botany-study of plants

Zoology-study of animals

Bacteriology-study of bacteria

Ecology-study of relationships among organism & their physical environments

Histology-study of tissues which make up the body

Mycology-study of fungi

Morphology-a branch of biology that deals with the forms and structure of plants & animals

Photochemistry-study of chemical changes involving light

Physics-study of matter & energy

When scientists look for explanations for specific observations what do they assume about nature?

Scientists assume that nature is consistent and operates according to fixed principles or laws. They use this assumption to make predictions and propose explanations for the observed phenomena. This principle is fundamental to the scientific method and allows scientists to build upon existing knowledge to better understand the natural world.

What is the contribution of ernest Rutherford in development of atomic theory?

Ernest Rutherford is known for his famous gold foil experiment, which led to the discovery of the atomic nucleus and the proposal of the nuclear model of the atom. His work helped to refine the understanding of the structure of the atom and laid the foundation for the development of modern atomic theory.

Why do scientists use chemical symbols rather than words to represent a compound or element?

The symbols (formulas) show the elements or ions in a compound. Sometimes it is easier to see the relationships between the elements with an empirical formula. But with larger molecules with atoms in complex arrangements, the written names are sometimes more appropriate. (e.g. sodium benzoate NaC7H5O2 which is formed from an ion of benzene C6H6)

Why did albert Einstein win the Max Planck medal?

The Max Planck medal is an award that is given every year to deserving recipients by the German Physical Society. Einstein was given this award for his extraordinary achievements in theoretical science, in 1929.

How old was Nikola Tesla when he died?

Nikola Tesla was 86 years old when he died from heart failure.

How are SI units used in the US?

Lots of different ways. For example, the legal definition of the U.S. standard units (foot, gallon, pound, etc.) are in terms of SI units.

What Italian scientist help design the atomic bomb?

Enrico Fermi, an Italian scientist, was part of the Manhattan Project team that help design and build the first atomic bomb during World War II. He made significant contributions to the development of nuclear technology and was awarded the Nobel Prize in Physics in 1938 for his work on nuclear reactions.

Who are four scientists from the Caribbean?

Although there are many scientists, researchers, doctors, et al., from the Caribbean region, the following are four such scientists, chosen randomly from the internet, and listed in no particular order: - Dr. Samuel Rawlins, Prof. John Agard,and Dr. Roger Pulwarty: Along with two other Caribbean scientists, they contributed to the 2007 report of the United Nations' Inter-governmental Panel on Climate Change (IPCC) that helped the institution win a Nobel Peace Prize, which was shared in December 2008 with former United States Vice President, Al Gore. (http://woodshedenvironment.wordpress.com/2008/01/17/caribbean-scientist-dr-samuel-rawlins-helps-un-win-nobel-peace-prize)- Dr. Arnoldo Khaleel Ventura: Senior Adviser to the Prime Minister of Jamaica on science and technology since 1989 (http://www.caribbean-icons.org/science/arnoldo-ventura.htm)For more information about Caribbean scientists, enter the phrase "Caribbean scientists" into your favorite search engine.

What is the definition of the positive attitude of a scientist towards failure?

A positive attitude of a scientist towards failure involves seeing it as a learning opportunity, a chance to refine hypotheses or experimental methods, and a step towards progress. Embracing failure can lead to insights and breakthroughs in scientific research.

What did James Prescott Joule do?

James Prescott Joule (December 24, 1818- October 11, 1889) established that the various forms of energy are basically the same and can be changed into one another. His ideas formed the basis for the first law of thermodynamics, the conservation of energy.

Account the insolubility of some alcohols to water?

When the number of carbon atoms increases (or percentage of carbon increases), the hydrophobic (water repelling) portion increases and the compound becomes less soluble in aqueous medium and tends to be more soluble in organic solvents.

Who was neils bohr and what did he do?

Niels Bohr was a Danish physicist who made significant contributions to our understanding of atomic structure and quantum theory. He is best known for proposing the Bohr model of the atom, which introduced the idea of electrons orbiting the nucleus in specific energy levels. This model laid the foundation for modern quantum mechanics and earned him the Nobel Prize in Physics in 1922.

Where did john Dalton do his work?

Initially he was working alone. But once his ideas became known his cause was taken up by Thomas Thomson, who had a large influence in getting him to produce his book, and in extending the atomic theory and arguing for Dalton's atomic theory.

Why is it important for scientists to use a standard system of measurement?

Using a standard system of measurement ensures consistency and accuracy in scientific experiments and observations. It allows for effective communication of results among scientists worldwide and facilitates comparisons between studies. Standardized measurements also help prevent errors and misunderstandings in data analysis and interpretation.

Name several scientists who work in the field of oncology?

A few notable scientists in the field of oncology are Dr. Siddhartha Mukherjee, author of "The Emperor of All Maladies: A Biography of Cancer," Dr. Valerie Weaver, known for her work on the tumor microenvironment, and Dr. Elizabeth Jaffee, a leading immunologist in cancer research.

What are scientists?

Scientists are professionals who conduct research to increase knowledge and understanding of various phenomena in the natural world. They use the scientific method to formulate hypotheses, conduct experiments, and analyze data in order to answer questions and solve problems. Scientists work in a wide range of fields, including biology, chemistry, physics, and environmental science.

Why is Robert koch famous?

In Germany, Robert Koch identified one kind of microorganism in many samples of tissue taken from people with tuberculosis. Because he always found the same microorganism, Koch hypothesized that each infectious disease is caused by one specific pathogen.

How did Niels Bohr discover energy levels in atoms?

The electrons have a set amount of energy, arranged into levels of increasing energy the farther they are from the nucleus. So, for example, E=1 is the first energy level where the energy of the electron is what that energy level is too.

Also, as you go out, the energy levels get closer together. So, E3 and E2 are closer together than E1 and E2.

Basically, electrons cannot have an energy lower than the first energy level. It would have to be lower for the electron to get to the nucleus. But it cannot go that low. Bohr discovered that it happened, and I think we're still looking for why it doesn't

Who were James Joule's parents?

James Joule's parents were Benjamin Joule and Alice Prescott. Benjamin Joule was a brewer and became the manager of a brewery in Salford, England. Alice Prescott was from a wealthy family in Manchester.

What do you call a person who studies matter at a very low temperature?

A person who studies matter at very low temperatures is called a cryogenicist. They work with materials and systems at extremely cold temperatures, often near absolute zero, to study their properties and behavior.