Measuring the time lag (latency) between a mouse click and the muzzle flash in a video game has been an expensive, lab-only capability. But now, Asus and Nvidia say, you can do it with your PC. That ...

If you’re looking to play at the top of your game, it’s key to make sure that low latency is a part of the equation. Latency – the delay between what you do and what you see on screen – is often the ...