Why hybrid cars make that weird humming noise in reverse

That unusual noise you hear when a hybrid car is backing up is actually a federally mandated feature aimed at improving safe ...
TwistedSifter on MSN

What’s That Constant Humming Sound You Hear From Some Types Of Electronics?

The electrical hum isn't from the electricity at all.
NPR

What's that humming sound? In music, it's not to be ignored

OK, confession time. I love Teddy Pendergrass. I was on a road trip a few days ago listening to this song... (SOUNDBITE OF HAROLD MELVIN AND THE BLUENOTES SONG, "DON'T LEAVE ME THIS WAY") RASCOE: ...
Game Rant

PS5 Users Report Loud Humming Sound and Other Noises from Console

Dalton Cooper is the Managing Editor of GameRant. Dalton has been writing about video games professionally since 2011. Having written thousands of game reviews and articles over the course of his ...
CNET

iMac G5 (#8): Loud humming/buzzing noises: High CPU usage a culprit? How Apple support is handling the situation

We continue to cover an issue with newly shipping iMac G5s where a humming, buzzing or clicking noise (quite loud in some instances) is emitted from the included power supply. In most cases, the noise ...