The Negev gets less than 100mm of rain per year, most of which is washed away in flash floods down mountainsides, so the use of irrigation is not necessarily new.

BBC: The Negev desert wine route

To travel undetected in the guise of a standard business letter, the device needed to fit into the most commonly used envelope (a number ten in America, which is about 100mm by 240mm).

ECONOMIST: Monitor

Meanwhile, Mastcam-100 sports a 100mm lens (343mm equivalent).

ENGADGET: Life on Mars: One week of Curiosity Alt