invisible

“So I thought, ‘Can I come up with a way to execute this in which I’m invisible to the audience but the scene is still moving?’”

She says people used to roll their eyes at her and puff out their cheeks when she was walking down the street - but that the weight loss drugs had now made her "invisible".

She feels "more invisible in a nice way", she continues.

One former commuter posts online: "I miss the days of sitting, staring at the solitary red light, waiting for the mystery invisible traffic to pass in the opposite direction."

But they are equipped with sensors that reveal the extent of methane, turning this invisible gas into concrete numbers on a screen.