A key selling point of the next-gen PlayStation and Xbox consoles can’t be used on the vast majority of TVs

"Marvel's' Spider-Man: Miles Morales" is an upcoming PlayStation game. Sony

© Sony
“Marvel’s’ Spider-Man: Miles Morales” is an upcoming PlayStation game. Sony

  • This November, both Microsoft and Sony are launching next-gen video game consoles.
  • Both companies are promising consoles capable of producing more dazzling visuals than ever before: 4K resolution at 120 frames-per-second.
  • Like previous console generations, that visual leap requires a new type of television that’s capable of supporting such high-res gameplay — and those TVs are rare and very expensive.
  • Visit Business Insider’s homepage for more stories.

This November, Microsoft’s new Xbox and Sony’s new PlayStation are scheduled to go head-to-head in a competition for control over the next generation of video game consoles.

With that new generation comes the next major leap in graphics technology: Both the PlayStation 5 and Xbox Series X are boasting 4K resolution games at a stunningly high refresh rate of 120Hz. What that means in English is extremely crisp image quality paired

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‘Echo mapping’ in faraway galaxies could measure vast cosmic distances

'Echo mapping' in faraway galaxies could measure vast cosmic distances
A disk of hot material around a supermassive black hole emits a burst of visible light, which travels out to a ring of dust that subsequently emits infrared light. The blue arrows show the light from the disk moving toward the dust and the light from both events traveling toward an observer. Credit: NASA/JPL-Caltech

When you look up at the night sky, how do you know whether the specks of light that you see are bright and far away, or relatively faint and close by? One way to find out is to compare how much light the object actually emits with how bright it appears. The difference between its true luminosity and its apparent brightness reveals an object’s distance from the observer.

Measuring the luminosity of a celestial object is challenging, especially with black holes, which don’t emit light. But the supermassive black holes that lie at the center of

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