Is it possible that your "Structure of an inverter" image is mislabed? NMOS would be on the left and PMOS on the right. My thinking is the PMOS has the extra diffusion step to create the n-well for the channel under the gate.
At my school the password was the person’s username. Someone guessed it one day. Which in hindsight was inevitable when the login screen was exposed to hundreds of bored kids every day.
I can't see gravity perfectly canceling out forward velocity while simultaneously contacting the surface. It would have to come through the body first. Which, I suppose, is terrifyingly possible.
Years ago when I moved for my first job out of school I decided to set my clock radio to the local NPR station (KERA Dallas) to wake up to the news. I had to switch to a hard rock station because I'd fall back asleep to their soft voices.
If it is a female my misophonia suggests it is Mary Louise Kelly. I've gotten used to it. There is also a male voice on one of the weekend shows that might be who you're describing.
I wrote in to a cable TV show a decade ago to call out the nose hair whistling and mouth sounds. They never replied to me, but they rolled off the highs for the remainder of the shows.
It's just an emitter and detector with a fan pushing air between them. It counts any particle large enough to block the light source. If you look up the sensor there is a datasheet which describes how they arrive at the counts.