Any electric or magnetic field generated by the device inside the cage goes down the coax into your test instrument, typically a spectrum analyzer. [Petteri]’s homebrew TEM is made from a common ...

We test dozens of laptops every year here at ZDNET, and our testing process employs a dual approach. On one hand, we run a series of benchmarking programs to gather important system data and metrics.

These laptops also performed better in Geekbench’s CPU test, compressed a 4K video faster in Handbrake and sped ahead on Photoshop and Premium Pro. In short, the M3 Air offers awesome performance.