invisible

One of the problems with devices designed to make people essentially invisible to sharks is that eyesight isn’t the only tool they use to detect prey: They also use their sense of smell and their ability to detect vibrations in the water.

“I thought maybe Sister Agnes would be nervous too, so I used that. I didn’t have to repress it. She’s not part of the brawl with the men. She doesn’t get into the opinion of who should be the next pope. When she does speak, she speaks what she knows and goes back to her vow of being silent and invisible and obedient.”

We float around the room like an invisible spider, circling and weaving this trio into a diabolical web.

Scientists believe that it evolved to protect human beings from invisible contaminants such as pathogens and parasites.

One of the survivors of domestic abuse, who meets the Queen, talks of the "invisible chains" that stop people escaping, particularly when they have children.