Groundbreaking Study Finally Reveals How Rubbing Generates Static Electricity
For the first time, scientists explain how rubbing a surface creates electrical current. Researchers at Northwestern ...
Astronomers can't agree on how fast the universe is expanding. New approaches aim to break the impasse
It is almost 100 years since scientists discovered the universe is expanding. In the decades that followed, the accuracy of ...
Rarely Seen Early Universe Quasars On Collision Course Via Hubble Telescope
A pair of quasars that existed when the universe was only 3 billion years old has been spotted by the Hubble Space Telescope. The quasars were powered by a pair of supermassive black holes on a ...
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Thousands Of Years After Discovering Static Electricity We Finally Know How It Works
W e have known about the phenomenon of static electricity since at least the time of Aristotle. Aristotle credits fellow philosopher Thales of Miletus, who lived between 640 and 546 BCE, with the ...