After intercepting the key, she can make it record just the right pattern of bits without any of the telltale errors her eavesdropping was supposed to introduce.

ECONOMIST: Secure cryptography is only as safe as its weakest link

For example, what if there is some, pattern in nature or human behavior that only becomes visible after we begin looking at octillions of bits of sensory data and what if that pattern proves a revelation about humanity or the natural world?

FORBES: Welcome to the Real World

To see which bits of it are dark matter simply requires superimposing the known pattern of visible matter.

ECONOMIST: Cosmology: I spy with my little gravitational lens | The