PER

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Articles about PER

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Detecting Earth's core in a super-ionic state
Space science

Detecting Earth's core in a super-ionic state

Scientists from the Chinese Academy of Sciences discovered that the innermost core of the Earth is not in a normal solid state but a superionic state.

February 15, 2022
Earth Weighing Experiment
Science story

Earth Weighing Experiment

In June 1798, the English chemist and physicist Henry Cavendish successfully calculated the mass of the Earth through the experiment measuring the constant of gravity (G…

February 10, 2022