Thursday, May 30, 2024

The Obtain: mysterious radio power from outer area, and banning TikTok

When our universe was lower than half as previous as it’s right now, a burst of power that might cook dinner a solar’s value of popcorn shot out from someplace amid a compact group of galaxies. Some 8 billion years later, radio waves from that burst reached Earth and had been captured by a complicated low-frequency radio telescope within the Australian outback. 

The sign, which arrived in June 2022, and lasted for below half a millisecond, is certainly one of a rising class of mysterious radio alerts referred to as quick radio bursts. Within the final 10 years, astronomers have picked up practically 5,000 of them. This one was notably particular: practically double the age of something beforehand noticed, and three and a half instances extra energetic. 

Nobody is aware of what causes quick radio bursts. They flash in a seemingly random and unpredictable sample from all around the sky. However regardless of the thriller, these radio waves are beginning to show terribly helpful. Learn the complete story.

—Anna Kramer

The miserable fact about TikTok’s impending ban

Trump’s 2020 govt order banning TikTok got here to nothing ultimately. But the concept—that the US authorities ought to ban TikTok indirectly—by no means went away. It might repeatedly be steered in numerous varieties and shapes. And finally, on April 24, 2024, issues got here full circle with the invoice handed in Congress and signed into regulation.

Rather a lot has modified in these 4 years. Again then, TikTok was a rising sensation that many individuals didn’t perceive; now, it’s one of many greatest social media platforms. But when the TikTok saga tells us something, it’s that the US is more and more inhospitable for Chinese language corporations. Learn the complete story.

—Zeyi Yang

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