We're constantly lighting fires and so spend a lot of time splitting logs for kindling, bringing more wood indoors, and so on.
Once we learn that driving the average car 50km a day consumes 40kWh/d, we can see that this is equal to the power needed to keep 40 40W lightbulbs constantly lit for a day.
Mohseni, a gregarious man with a politician's habits, often stands up to greet visitors with a hug, then returns to his desk, where a BlackBerry, two cell phones, and a MacBook Air laptop are constantly lit up; fifteen small flat-screen TVs, set to mute, are mounted on the office walls.
Gas flares constantly lit up the sky, fouling the air and denying generations a glimpse of a dark night.
The room was constantly lit, the toilet only flushed when they wanted it to, and I had nothing but an overall gown and a mat on the floor.
Our phones are constantly lighting up, telling us we got an email, our tweet has been liked, our friend is messaging us about dinner later and these notifications interrupt whatever we're doing (which is usually work of some kind).
Jonathan had just ended a significant relationship and lived in a tiny studio in a tough part of town, on an alley that literally looked out on a steady stream of pimps, prostitutes, drug dealers, homeless and the police whose flashing lights constantly lit up the Hollywood sky.
I wrote about the torture of Manning, the violations of the Geneva Convention, the way Manning was kept naked in a cell constantly lit, the morning searches (what can be hidden in a naked body?), the refusal to give Manning a pillow or a blanket for fear of... what?
Behavioural tests were performed between 8 a.m. and 11 a.m. in a constantly lit and climatized room.
