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The smallest particle that I am aware of is the quark. The quark is the basic building block of hadrons. There are two types of hadrons: baryons (three quarks) and mesons (one quark, one antiquark). Protons and the neutrons are stable baryons.
There are also leptons, a family of elementary particles that include electrons, muons, tauons, and neutrinos. Neutrinos were originally believed to have zero mass, but they have been found to have a very tiny mass, smaller than any subatomic particle.
Calling someone a 'hadron head' would be considered an insult among physicists.
How fast does a blast wave from a nuke travel?
by Zack on April 25th, 2011
| 2 people like this
why do they say you can not change a radioactive half life when that is EXACTLY what we do in nuclear reactors and bombs?
by TAPriceCTR s son is wearing his COAT on December 10th, 2010
| 1 person likes this
How much radioactive material can spill into the Pacific Ocean before the ocean is polluted? Not enough nuclear reactors in the world?
by RosieGHM Jetpacker on April 4th, 2011
| 3 people like this
Does it take much knowledge of science to know how to make a nuclear, or something similar, bomb?
by AlexanderTheGreat on April 25th, 2011
| 2 people like this
How long does it take for a nuclear reactor to cool down naturally even if the coolant supply fails?
by anil m on March 17th, 2011
| 2 people like this
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Comments
This was good too
by Milk Man on October 8th, 2005
I thought leptons were Irish particles that hide deep in the woods.
by Mr_Natural Abstractor of the Quintessence on August 30th, 2008