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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

Where do scientists get carbon to create star fuel?

Scientists do not make "star fuel," and stars, for the most part are not fueled by carbon, anyway.

Stars are mostly fueled by hydrogen which was formed in the very early history of the universe, shortly after the "Big Bang."

To learn more about how stars formed and what make them "burn", you should go to a website like http://www.kidsastronomy.com/

Why do scientist and doctors study the biomechanics of others in order to make prosthetics?

Biomechanics relates to the physics behind human movement. Essentially a prosthetic limb's job is to immitate that of a real one. To do this scientists and doctors have to study the "physics" (movement patterns, levers, forces etc) behind real limbs to simulate them with fake ones.

Biomechanics can also be used to make prosthetic limbs that have different properties to that of normal limbs, take the 100m in the paralympics using physics carbon limbs can be made to increase the efficiency of running therefore taking more energy into the next stride of the race.

--Artificial Limbs

What features are used to evaluate a scientific model?

Any "standard" model must square with existing data in the general area where it is claimed to apply. New data as it comes to hand should also be well described by the model.

The description should not involve extensive modification of some feature for each new data set.

Those who work with the model should see it as self consistent, and no more complicated than the subject matter requires.

If two or more models are competing for acceptance the proponents of each are encouraged to think of experiments where the competing models are bound to give different predictions.

Numerical predictions are favoured, especially if they have the potential to rule out one or more models.

The features themselves can be ignored for a time. Newton proposed a model of the solar system and beyond consistent with the stars being distant suns. Nobody knew how big stellar parallax should be, basically until such things were measured, a century later.

What did Dmitri Mendeleev discover?

he drew up a table that grouped elements according to their atomic weights, his table became the basis for the periodic table of elements used today.

Is PSO is higher in rank from SSO?

Yes. PSO is Principal Scientific Officer. SSO is Senior Scientific Officer

Refers to the diverse ways in which scientists study the natural world and propose explanations based on the evidence they gather?

that would be observing the things they see and when they are gathering information they are inferring. this would be a question for a science or for science fair.

Which form of technology are scientist most likely to use to calculate the distance to a newly discovery planet?

Scientists would use the Doppler Effect to calculate the distance to a Star which had the newly-discovered planet.

Why are many scientist dependent on the government for funding?

research is often to expensive to do without governments help.

Why does scientists repeat each other's work instead of accepting it and going on to ask and answer a diffferent question?

In science, a conclusion cannot be accepted as accurate unless other people can repeat the experiment and get the same or similar results.

Social scientists generally agree that there are four components to the phenomena you label as feelings They are?

According to social scientists, thrfour components to the phenomenon we label has feelings are love, hate, fear, and compassion.

What is the difference between Thomsons atomic model and Rutherfords atomic model?

Thomson's model was the "Plum Pudding model" because it had electrons "floating" around in the ball, but Rutherford's model shows the electron shells, the nucleus, and the molecular particles: neutron, proton, and electron. Hope this helps!

Why is the demand for environmental scientists and hydrologists expected to increase?

The demand for environmental scientists and hydrologists expected to increase in the near future. This is because there is so much awareness in regards to environment and people want to forecast certain trends and changes in the environment.