This story incorrectly reported the size of the particle accelerator. It has a circumference of 17 miles.
We tested 5G speeds in 13 cities. Here's what we found: Faster speed versus more coverage. That's the most important issue for 5G networks today.
We drowned AirPods, Powerbeats Pro and Galaxy Buds: We sprayed them, dunked them and even put them through the wash to find out which one of these three wireless earphones can handle the most water.
Discuss: Don't panic: Large Hadron Collider won't spawn voracious black holes
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