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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 there or use to be a crippled scientist?

Yes Stephen Hawking is almost completely paralyzed. He is only able to communicate via a voice synthesizer that he control with his cheek (one of the only body parts he can still move)

What is a microeconomist and does that scientist study living organisms too small to be seen with the humam eye?

You are refering to a Microbiologist. A Microeconomist is someone who studies the economice decisions and practices of an individual or firm. It's about what influences our spending habits.

In what ways is emerson's attitude toward nature different from that of a scientist?

Scientist looks at it as oh look at this flower it has 3 stocks and 18 peddles and on average is about 10" tall and its growing season is from February to October.

But Emerson would look at it and just say what a beautiful flower. To him nature was a wonderful bliss of beauty.

What is absolute frequency according to Nicolai Tesla?

It´s the frequency of the holy ghost (prana, chi ....)

What inferences can you draw from the fact that animals are safer in areas where scientists are carring out their work inference about animals?

Answer:

They are raised in a Lab

Answer:

You cannot conclude that because animals are safer where scientists are that they are ONLY lab animals; it is very possible (and extremely likely in this scenario) that they are wild animals. If the animals are in a lab then safety is moot; their is no need for drawing an inference, there is no danger to the animals. How does this follow?

The question has 4 postulates:

1) There is danger to the animals: scientists reduce the danger. You cannot reduce something that doesn't already exist, therefore initial danger has to be > 0.

2) The initial danger is NOT from the scientists: see #1, the scientists augment the existing danger, they are not the originators.

3) In a closed environment there is no external danger to the animals: a controlled environment defies uncontrolled danger; all is controlled.

4) The scientists are not working in a closed environment (lab) - see #2, #3 the scientists are the only source of danger in the lab environment; since by definition there is initial danger besides the scientists there must something not being controlled, BUT a lab is a controlled environment.

5) Inferences are based on incomplete data, generally about environments that are not controllable.

QED

they are speaking of animals in the wild.

You can say it's possible:

1) Animals are safer because they are being watched closely; poachers are less likely to interfere.

2) A change in the environment (the scientists there) can disrupt the predators and more animals are protected from attack by predator. (a numbers game - are 10 antelopes worth bothering one lion?)

3) Diseased animals are more likely to be cured or destroyed (ending the passing of disease) by scientists thereby increasing health of the rest of the herd.

What percentage of scientists work for US military?

Someone help me out and send me a credible source citing this. I am curious about the percentage of American scientists that are emplyed, directly or indirectly, by the military?!

Do scientists design maps to list events over time?

Yes, scientist design maps to list events over time. This is done by light cones. Even three dimensional space model is difficult to understand then how do they represent four dimensional space? This is done by taking light distance on one axis and time on the other while the rest were just assumed. As time increases,light increases as a cone called light cone. The entire universe or events with reference to that light cone are divided as those in that light cone and those that come under light cone or effected by light cone and those that are not effected by the light cone. this is very hard to understand but easy once you find its root. Let us take an example of sun dying out. This event can viewed as a point and then the light rays of the dying sun would spread as a cone. Those events that happened before this event cannot be effected by this event. Those events that are not effected eventhough they are in the future are outside the light cone and those that are effected by the sun dying out like the earth comes under light cone. It can viewed like this- eventhough earth is effected, it will not get immediate effect until it enters the light cone i.e., it will take 8 min for the sun's rays to reach earth. During this period the earth would be outside the lightcone and will not be effected by that event but once it enters the lightcone i.e., while we see the event we would sure get effected by that event. Thus scientist map events as infinite light cones and some cones may intersect affecting each other. But what ever it may be it certainly divides the events in the past and present and future events that are affected by that event.

How are models useful to scientists?

A model can be useful by helping scientists study and understand things that are complex or can't be observed directly. It allows scientists to visualize and examine things that might not otherwise be physically accessible i.e. anything microscopic.

What two things must scientist measure to find the absolute age of a rock?

scientists use carbon14 and potassium argon to find absolute age of rock

How do scientists currently describe the movement of electrons around the nucleus?

The short answer is the motion is completely deterministic, but not predictable in the everyday, macroscopic sense. The more accurately you try to measure momentum of the electron in transit, the less you will know about its position.

A scientist makes a claim of having discovered an eternal life potionIs this a testable hypothesis?

The hypothesis would have to be phrased in such a way as to allow for experimenting, but yes.

What 2 things does a life scientist use to identify living things?

The main two characteristics of living things are: -The ability to grow -A consistency of cells

Why do scientists need to know the temperature of the water at the beginning and the end of an experiment?

they need to know so they can record their results accuratley and get a result that is reliable.

Why is Tesla not recognized more for his inventions?

he wasnt intrested in the money end of it ....he was trying to make this world better for all mand kind ....many of his pattents sat on shelves ....when marconnie got the credit for 2 way raido he let it go ...it wasnt till the 60's when tesla was credited for 2 way wireless comnuication ....many of his other ideas where thought of while he worked for Westinghouse and since they paid for the ideas and the pattents they where there (sort of) then after Tesla came up with a plan to transmit power wirelessly Westionhouse was there till they found out there was no way to CHARGE for it ...they fired Tesla and labled him Nuts and scraped all his work

Was Tesla Christian?

Nikola Tesla was a Serbian Orthodox Christian. His father was a Serbian Orthodox priest.

What can the scientist infer about the relationship of the nebula and the pulsars life cycle?

Nebulas are interstellar clouds made of dust and gases and a pulsar is a kind of star. A pulsar is formed inside of a nebula, therefore a scientist could conclude that without a nebula a pulsar could not exist.