Tag: cosmos
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Time crystals. In a timeless world…
It may sound like science fiction, but it’s not: Scientists have created the first time crystal, using a chain of ions. Just as a standard crystal repeats in a regular spatial pattern, a time crystal repeats in time, returning to a similar configuration at regular intervals. (1) Crystals developing in time. Over and over again.…
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Ocean. Rogue waves. Darkness.
Rogue waves are extremely high ocean waves that exceed the significant wave height by more than a factor of 2. Extreme waves are also very rare; less than one in 100,000 waves exceeds the rogue wave criterion. While their existence was long disputed throughout the 1990s, thousands of rogue waves have been recorded on oil…
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Ancient cities, long gone. Microbes. Architects.
When snorkelers discovered what appeared to be ancient stonework off the coast of the Greek island of Zakynthos in 2013, archaeologists sent to the site thought the odd rocks might be the ruins of an ancient city. But among the columns, bagel-shaped rings and paving stone‒like rocks, they found no telltale pottery shards or other…
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Information. Decay. Entropy. Clues…
Information may seem ethereal, given how easily we forget phone numbers and birthdays. But scientists say it is physical, and if a new study is correct, that goes for quantum systems, too. Although pages of text or strings of bits seem easily erased with the press of a button, the act of destroying information has…
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The many, the few, the Truth… [Twitter and correct information spreading]
In the maelstrom of information, opinion and conjecture that is Twitter, the voice of truth and reason does occasionally prevail, according to a new study. Tweets from "official accounts" can slow the spread of rumors on Twitter and correct misinformation that's taken on a life of its own. The research team from the Emerging Capacities…
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