They would hang a DSLR out of the window on a long exposure to get a night shot of the impact and the smoke cloud – when all the naked eye could see was black.
Related: Spy agencies fund climate research in hunt for weather weapon, scientist fears Like so many military experiments, these trials failed but cloud seeding became a reality in 1967/8 when the US's Operation Popeye increased rainfall by an estimated 30% over parts of Vietnam in an attempt to reduce the movement of soldiers and resources into South Vietnam.
The only recent cloud over the scene has been gentrification, which began under Mayor Rudy Giuliani and went into hyperdrive under Michael Bloomberg, forcing up rents beyond the grasp of most artists.
The company has made significant inroads into online video and cloud computing.
Neil Lovatt, director at a financial mutual, Scottish Friendly, reckons anyone who thinks they will get a good deal by cashing in an existing annuity is "living in cloud cuckoo land".
As in this IBM job ad: "The ideal developer will be passionate about cloud computing".
"This is plated with 24-carat gold," says James Clelland, one eye closed against the storm front of cloud tumbling from the holes in his face.
Those words refract like sun from behind a cloud.
It is like a grey day with intermittent bursts of sunshine, and these occasional breaks in the cloud are what we mothers try to focus on.
"At the time he appointed senator Sinodinos to the ministry he told Australians: 'There is no cloud hanging over Arthur Sinodinos.' Well if that's the case did he make inquiries?
Turness's predecessor, Steve Capus, is leaving under something of a cloud, ending an eight-year run after a corporate shakeup in which he was suddenly assigned a new boss.
