Scientists

Dmitri Mendeleev, a Russian chemist, discovered the periodic law and created the periodic table of elements in 1869. Mendeleev's table arranged elements based on their atomic mass and predicted the existence and properties of undiscovered elements.

Scientists communicate their ideas through scientific publications in research journals, presentations at conferences and symposiums, and collaborations with other researchers through personal interactions and networking.

Bohr's model of the atom compares electrons to planets orbiting around the sun. In the same way that planets have stable orbits around the sun, electrons have stable orbits around the nucleus of an atom.

The first two scientists to demonstrate the generation of electricity were Michael Faraday and Alessandro Volta. Faraday discovered electromagnetic induction in 1831, showing that a magnetic field could create an electric current. Volta invented the first electric battery, known as the voltaic pile, in 1800.

To critically analyze something is to examine and evaluate it in a thorough and objective manner. This involves identifying key components, considering different perspectives, assessing the quality of information, and forming well-reasoned judgments or conclusions based on evidence and reasoning.

Scientists have made over 30 elements in the laboratory, known as synthetic elements. These elements are typically created by nuclear reactions and are usually unstable and decay quickly. Examples include elements like neptunium, americium, and tennessine.

His first scientific paper was on the Photoelectric Effect, this was one of the founding theories that ultimately lead to Quantum Mechanics (a theory that Einstein rejected).

They are so very small, that they can not be seen even with the strongest microscope. And long ago, microscopes were very simple compared to days'. Only when things didn't add up, did they begin to think that there must be other things out there. The word means that these are somethings that can not be cut. But even now we know that has changed. (atomic weapons are based on 'cutting' or splitting atoms).Here is a link that may help: http://atomictimeline.net/index.php

Louis Pasteur was famous for founding the science of microbiology, proved the germ theory of disease, invented the process of pasteurization and developed vaccines for several diseases such as rabies.

The scientist who proposed that all matter is made up of atoms was John Dalton, known for his atomic theory in the early 19th century. Dalton's theory stated that all elements are made up of tiny indivisible particles called atoms.

Scientists use chemical symbols to represent elements in a concise and standardized way. This helps with communication and ensures clarity and consistency in scientific research and publications. Additionally, chemical symbols provide a quick and easy way to identify elements and their properties in chemical formulas and equations.

Ernest Rutherford was the scientist who discovered that atoms have positive charges through his gold foil experiment, which led to the development of the nuclear model of the atom.

Scientists obtain fluorine through the electrolysis of molten potassium fluoride, KF, mixed with calcium fluoride, CaF2, known as fluorspar. Fluorine gas is produced at the anode while potassium and calcium are produced at the cathode. The fluorine gas can then be collected and purified for use in various applications.

James Watson and Francis Crick are the scientists credited with proposing the double helix model of DNA's structure in 1953. Their model revolutionized the understanding of genetics and laid the foundation for modern molecular biology.

Using the same units worldwide allows for consistency, making it easier to compare and analyze data across different studies and regions. It also facilitates communication and collaboration among scientists and researchers from around the world. Standard units help to avoid errors or misunderstandings that could arise from using different measurement systems.

Robert Millikan is the scientist who measured the charge on an electron using his famous oil drop experiment.

Some key scientists involved in the Manhattan Project were J. Robert Oppenheimer, Enrico Fermi, and Leo Szilard. Oppenheimer is often considered the "father of the atomic bomb" for his role in leading the project at Los Alamos. Fermi and Szilard made significant contributions to the development of nuclear reactions and reactor design.

Scientists can make artificial blood by starting with either synthetic blood substitutes or lab-created red blood cells. They can use hemoglobin-based oxygen carriers or perfluorocarbons in synthetic blood substitutes, while lab-created red blood cells can be generated from stem cells in a culture dish. These artificial blood products are being developed as potential alternatives for blood transfusions in certain medical situations.

Some famous scientists who specialized in matter and energy include Albert Einstein, who is known for his theory of relativity that relates matter and energy (E=mc^2), and James Clerk Maxwell, known for his equations describing the electromagnetic field, which plays a role in energy transfer. Nicolas Tesla also made significant contributions to the understanding of energy and conducted pioneering work in electrical engineering.

The characteristic used to form the cohort in this study would be drug abuse. The cohort would consist of individuals who are drug abusers, and the scientist would collect data on their health outcomes over time to investigate relationships between drug abuse and health.

Muslim scientists are considered pioneers in the field of chemistry due to their significant contributions during the Islamic Golden Age, around the 8th to 14th centuries. Scholars such as Jabir ibn Hayyan developed experimental techniques, equipment, and chemical processes that laid the foundation for modern chemistry. Their work in alchemy, medicine, and metallurgy helped advance scientific knowledge and paved the way for future discoveries in chemistry.

A physicist or engineer with a specialization in energy would typically focus on studying the generation, distribution, and utilization of energy resources. This can encompass fields like renewable energy, energy conservation, power generation, and energy storage technologies.

Scientists can identify the composition of a compound through techniques such as mass spectrometry, nuclear magnetic resonance spectroscopy, and infrared spectroscopy. These methods help determine the elements present, their arrangement, and the functional groups within the compound. By comparing data from these analytical techniques with known compounds, scientists can identify the composition of an unknown compound.

Scientists assess the validity of their answers through rigorous experimentation, data analysis, and peer review. Consistency with existing knowledge and ability to make accurate predictions are also indicators that a scientist may have the right answer. Moreover, reproducibility of results by other researchers strengthens the confidence in the accuracy of the answers.

First, it is unscientific to accept any theory as fact. A fundamental rule of the scientific method is fallibilism, which recognizes that all knowledge we have is only the closest approximation to the truth that we've found up to now.

A great example of the need for this is uniformitarianism. What the scientists can reasonably say is that what they SEE of hydrogen throughout the universe APPEARS to be the same. Or whatever other metric they attempt to test. But they cannot rule out physics changing in ways that would not be observable in this fashion.

When a supposed scientist claims that one must accept theory X as fact in order for science to be useful, he is committing multiple fallacies.

The most important is that feeling the need for something doesn't make it so. If physics has changed, then it has changed, and the inconvenience of this for scientists is their own problem. Refusing to consider this simply cripples scientific endeavor that much more.