This article was featured in One Great Story, New York’s reading recommendation newsletter. Sign up here to get it nightly. The lightbulb was flickering over my head. Not the idealized cartoon ...

If you have read any of What Hi-Fi?’s recent reviews, or checked our best Mini LED TV guide, you will know that we’ve had a repeating problem with many of the sets we’ve tested with the tech recently.

The global LED face mask boom did not arrive quietly. Social media turned red light therapy into a beauty ritual, celebrities posted glowing selfies and at-home devices began appearing everywhere from ...