Questions and Answers

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All Answers by Brian Kross

Is Democritus' theories of atoms still relevant today?

How did you make the detectors work in halls A, B and C?

What do we use to measure mass?

How did you make so much neat stuff?

Why don't atoms weigh anything?

What are the components of an atom? How much does each atom weigh?

How many neutrons can you add to an atom without it getting unbalanced?

How many atoms are in the human body?

What kinds of quarks are protons and neutrons made of? What was the old name for the Top and Bottom quark?

What is a vacuum? Is it matter?

Can you explain why the United States uses Fahrenheit instead of Celsius?

How much money does it cost a year to run Jefferson Lab? Do you get funds from an entrepreneurship?

What is one example of indirect evidence that scientists use to study an atom?

If atoms are 99.999999999999% empty space then why don't things pass right through them?

Why are the hall's in bio-dome shapes?

Which jobs use electromagnets?

What's the melting point of steel?

How does the generator make energy?

What is an accelerator?

How can you tell if a new type of element has been created, especially if only a few atoms of it were created and if they only existed for...

What is plasma?

How do the elements on the element table get there chemical symbol?

How do people really know that atoms exist even though they can't see them?

What kind of charge does a proton have? And what kind of charge does a neutron have?

Where does the word atom come from and who first used this word?

What would you get if you combined one atom each from all the elements in the periodic table?

Where and how do you get your electrons for your accelerator? What kind of machine or process did they use to split the first atom all...

How big around is the tunnel at Jefferson Lab and what do you do in it?

How do lasers work?

What happens when a magnet is cut in two? Does the strength of an electromagnet depend on the number of turns of wire? If you have two...

What would happen if a part of the accelerator or one of the magnets were to break or come off? Would the electrons come out of the...

Could you please explain density? What is it? What is the concept of D = M over V?

Permanent magnets can lose their magnetism if they are dropped or banged on enough to bump their domains out of alignment. Can you turn...

Do you know what an electromagnet is?

Does an atom smasher really smash atoms?

How do you prove air is matter?

What is an electric current?

Do liquids freeze at the same temperature? Why doesn't oil freeze?

What is the fastest type of energy?

Is there anything colder than liquid nitrogen?

Why do you need high energy to look at or observe quarks? Since the accelerator at your facility is linear and can't always get as much...

If every thing around us is matter, what about germs?

Is matter everywhere?

What is the smallest particle of matter known?

Why is a non-permanent, but long lasting, magnet called a permanent magnet?