After deafness treatment, Yiyi can hear her mother and dance to the music. But why is it so noisy at night?

Originally published at Roots of Progress, based on this thread. Everyone knows the industrial revolution occurred centuries ago and involved steam engines. That was just the warm up. We are now a …

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In 1960, while preparing for the first meeting on the Search for Extraterrestrial Intelligence (SETI), legendary astronomer and SETI pioneer Dr.

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In 1960, Freeman Dyson proposed how advanced civilizations could create megastructures that enclosed their system, allowing them to harness all of their star's energy and multiplying the habitable space they could occupy. In 2015, the astronomical community was intrigued when the star KIC 8462852 (aka Tabby's Star) began to dim inexplicably. While an analysis of the star's light curve in 2018 revealed that the dimming pattern was more characteristic of dust than a solid structure, Tabby's Star focused attention on the concept of megastructures and their associated technosignatures.

Chinese researchers are working on ways to develop their own semiconductor lithography process to compete with ASML.