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Games and physics simulations need to detect which objects are touching or overlapping. With nnn objects, checking every pair is O(n2)O(n^2)O(n2) comparisons, which gets expensive fast. A hundred objects means roughly 5,000 pair checks. A thousand means nearly 500,000.
When TCL showed off its RayNeo Air 4 Pro smart glasses at CES 2026, I was impressed, and I wrote at the time that competitors like Xreal should be worried. Despite the relatively affordable price tag, the glasses have super-bright OLED displays that support HDR10, something never seen before in smart glasses. TCL describes them as "head-mounted TVs," and that's what they feel like.