tube

His frame is lit from within, head-to-toe, by argon trapped in electrified tubes shaped to resemble the human circulatory system, making his soul visible.

In the study, the scientists observed that these microscopic tubes, known as nanotubes, primarily formed to help neurons expel toxic small molecules such as amyloid-beta.

"We ran so they couldn't follow us to the tube or follow us home, you don't know what their intentions are," she said.

Rehberger takes out a tube of mascara and begins brushing it on his beard for color, smiling as he does so.

Light bulbs come in all sorts of forms—globes, spirals, candle-like tips, and long tubes—but few are truly thin.