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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

When did Nikola Tesla's electric generator patented?

In 1888 Tesla designed the first practical system of generating and transmitting alternating current for electric power. The American rights to this epoch-making invention were bought by the American inventor George Westinghouse, who demonstrated the system for the first time at the World's Columbian Exposition in Chicago. Two years later Tesla's alternating-current motors were installed at the Niagara Falls power project.

Is there information and value available for new-in-box Winchester 94 rifle 94AE cal 356 special anniversity edition 1894 1994?

Regular 94AE rifles in .356 (used, but new condition with box) have sold recently for over $600. I would imagine you could realistically ask $800 for that rifle. Winchester made some special limited edition runs in 1994 to commemorate 100 years of that model. The ones I am most familiar with are the Centennial Limited Edition which was offered in a Grade 1 and a High Grade. Didn't realize they had offered a limited run of the 94AE Big Bore. sales@countrygunsmith.net

What does the atomic mass tell you about parts of the element?

It tells you how many protons are in the element. For example if the atomic number is 5 then the protons of the element is 5.

Can you wear earings at work?

It's up to your employer, but most employers allow it, though they may restrict the number (many employers may not be thrilled about multiple piercings) or length (nothing over, say, 1 inch) for safety or other reasons.

What Are the tools of a life scientist?

Graduated Cylinder Balance Safety Goggles Beaker Forceps Hand Lens Test Tube Holder Petri Dish Tongs Metric Ruler Flask Test Tube Rack Bunsen Burner Test Tube thermometer Medicine Dropper Dissecting Pan Dissecting Probes Forceps Scalpel Dissecting Pin Scissors Microscope Microscope slides/covers

How many scientists are in antarctica?

Rough numbers there are about 4000 that live in the area.

What is migration disadvantages?

Migration means replacement of ones family or an individual to another place forcible with situation or with personal interest . Disadvantages : 1.settling with the climatic condition 2. Getting known to different people 3. Language barrier 4. Chances of being criticised as which ws taking place in australia Etc ,-

Which state has the most engineers and scientists?

California, according to US Census report dated Aug 2013, has over 700,000 Scientists and Engineers. Texas comes in second.

How long would a latex glove take to break down in a septic tank?

It would take around 6 minutes for a latex glove to be dissolved in a septic tank but it mainly depends on how acidic the tanks fluids are

Copy of Eduard Buchner's birth certificate?

Buchner's birth certificate is not available for viewing online.

A German chemist, Eduard Buchner was born in Munich on May 20, 1860 and died on August 13, 1917 in Munich.

How can finding out that a hypothsis is not correct be useful for a scientist?

Hypotheses are based on theories.

If a hypothesis seems incorrect then a scientist knows that she has been mistaken about her understanding of the theory, and that's why she formed the wrong hypothesis to test. Or it might be that she has learned that there are new conditions under which the theory does not hold, and that the theory must be refined. Both of these are useful to scientists.

Why do scientists use sea-exploration robots?

They use the sea-exploration robots to look and explore places in the ocean where it is not safe for human divers. There are certain parts of the ocean where the pressure from the water can crush a human being and ultimately kill them. If the water pressure does not crush the human there is the chance and the equipment could be damaged also ending in termination. Also under the water it can be difficult to sea hence why cameras and technology are involved.

Are Israeli scientists the best?

No country can say they have the best scientists. However, Israel has the most scientists per capita than any other country in the world, including the U.S.

Why working as a group is so important?

Because you need team skills all tne way though your life. For example, when you get a job you most likely will be required to complete tasks as a part of a team. With out team skills, you can't get on well with people!

Why do scientists continue to measure the height of Mount Everest from time to time?

Newer and better methods of measuring the height are invented.

Erosion can cause the height of mountains to decrease.


Changes within the Earth can cause mountains to grow.

All of these


Where did Alfred Russell Wallace travel to?

he went to astralia and he also went to gwynedd to a little place called tywyn in wales.