Good luck watching the Winter Games in 4K

Want to see the Olympics in ultra high definition? You'll need to clear some technical hurdles, but the "sparkles are unreal," an Ars Technica reporter says.
Figure skating really shines with all the benefits of 4K, says Sam Machkovech, a writer for Ars Technica. Above, USA's Adam Rippon competes in the men's free skate event during the Pyeongchang Olympics on Feb. 17.
ROBERTO SCHMIDT/AFP/Getty Images

The darkest building on the planet is at the Olympics

The structure in Pyeongchang is painted with what its maker says is the darkest man-made substance, a material that absorbs 99 percent of light.
The Hyundai Pavilion at the Pyeongchang Winter Olympics in South Korea, designed by Asif Khan, is coated with Vantablack VBx2.
Luke Hayes

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