TEACH OUT OF COURSE: ENCYCLOPEDIA

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INTRODUCTION When did science begin? Perhaps when early humans, more than a million years ago, picked up rocks and chipped them to form stone tools. someone tried several different kinds of rocks. S/he noticed that a particular type of rock produced […]

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HELIUM-3

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HELIUM-3      (HE-3) Helium-3 (He-3, also written as 3He, see also helion) is a light, non-radioactive isotope of helium with two protons and one neutron(common helium having two protons and two neutrons). Its hypothetical existence was first proposed in 1934 by the Australian nuclear physicist Mark Oliphant while he was working at […]