If that software disappears, the material will no longer be accessible.
At the site of the supermassive black hole at the center of the Milky Way, for example, she says astronomers routinely observe what looks like interstellar material disappearing without a trace.
Like Mr. Depp, she is able to disappear into her material, but on her own terms.
"John Kerry presumes to know something that he could not know: when the material disappeared," Ms. Devenish said.
Slow traffic produced a lot of down time, and the tangy Post material disappeared for long stretches.
They could all disappear, supplying terrific material for six months of nightmares, if the Mets continue this staggering late-season flop.
Infalling material disappears into the black hole, the gravitational field of which is so intense that not even light can escape.
What followed remains a bit of a mystery and an illustration of how regional rivalries can make it tougher to stop trafficking: The Uzbeks complained that the radioactive material disappeared in Kazakhstan and that no arrests were made.
There has been speculation that the new candidate could be the performance artist Simon Farid who has been recreating Shapps's online presence as Green since the original material disappeared from the internet.
Much, though not all, of this material disappeared during the second world war and was considered lost, until it turned up mysteriously in Leipzig in the late 1980s with "Leningrad" tags attached.
