The red image at the left is an illustration of a proton. You have been learning tiny particles atoms for many years. You probably also remember that atoms are made of protons, neutrons and electrons. Protons themselves are made of quarks and gluons.
Read the article
"Physicists Provide 'Guiding Hands' For Proton Therapy" and see how protons are being used in the treatment of tumors. Do you think this is going to far? What will be the effects of a body bombarded with protons? Where will research on protons lead us next? Many other articles can be found on the same page.
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