Don’t use your M3 MacBook Air with the lid closed — tests reveal 50% speed reduction in clamshell mode as the temperature increases
The latest and greatest M3 MacBook Air is now on sale and that means that people have been putting it through its paces for a little while. The machine has a lot going for it not least an upgraded chip, a thin and light design, and a choice of colors to boot. But one of the notable additions over the previous models is that the latest MacBook Air can be hooked up to two external monitors at once. The limitation? You'll lose access to the internal display, but that could be worth the trade-off if you need extra space with…