The financial dangers of echo chambers

As ongoing revelations about Facebook's algorithm are showing, social media's ability to shape our attitudes by steering users into echo chambers is raising questions about our national discourse and drawing increasing attention ...

Moths use acoustic decoys to dodge bat attacks

In dark skies around the world there unfolds a nightly battle between bats and the nocturnal insects upon which they feast. You'd have thought bats, equipped as they are with echolocation, in which they navigate using sound, ...

'Bat-sense' tech generates images from sound

By cleverly analyzing the results, the algorithm can deduce the shape, size and layout of a room, as well as pick out in the presence of objects or people. The results are displayed as a video feed which turns the echo data ...

Temporal control of light echoes

Scientists at Paderborn University, the Technical University of Dortmund and the University of W├╝rzburg have for the first time used laser pulses to precisely control photon echoes, which can occur when light waves superimpose ...

Why bats fly into walls

Bats excel in acoustic perception and detect objects as tiny as mosquitoes using sound waves. Echolocation permits them to calculate the three-dimensional location of both small and large objects, perceiving their shape, ...

Mobile phones help Americans encounter more diverse news

In recent years, we've heard a lot about "news bubbles" and "echo chambers," the idea that to validate their own worldviews, liberals read liberal news and conservatives read conservative news. The proliferation of partisan ...

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