Sökt på: john ellis
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How Science Works: Evolution
Evolution is just a theory, isn't it? What is a scientific theory anyway? Don't scientists prove things? What is the difference between a fact, a hypothesis and a theory in …
How Science Works: Evolution
Evolution is just a theory, isn't it? What is a scientific theory anyway? Don't scientists prove things? What is the difference between a fact, a hypothesis and a theory in …
Epoch of Galaxy Formation
Scientists in the late twentieth century are not the first to view galaxy formation as a phenomenon worthy of explanation in terms of the known laws of physics. Already in 1754 …
Ocean Reverberation
During the past decade there has been a renewed interest in active sonar systems at both low and medium frequencies. More recently this interest has been extended to very high …