hank970's latest activity
-
HAn exposure of granite on the Uncompahgre Plateau in western Colorado, site of a series of Cold War blast tests conducted by the Department of Defense (ca 1948-52). The tests were apparently conducted to determine the seismic properties of...
-
-
Hhank970 replied to the thread has anyone ever seen this before ?.Yes, but after a long and taxing journey across the vastness of interstellar space, I probably wouldn't want to waste any time agitating a soybean farmer in rural North Carolina.
-
Hhank970 replied to the thread has anyone ever seen this before ?.If everyone deleted all of their posts, we could put the mysterious case of the flying walnut shell to rest.
-
Hhank970 replied to the thread Over the past 8 years, drone noise levels have shown no improvement.All things being equal, the higher the RPMs, and/or the greater the number of blades biting into the air per unit of time, the higher the frequency. But all things aren't equal. If you increase the angle of attack of a prop's blades or increase...
-
Hhank970 replied to the thread Drones Blasting AC/DC are helping Biologists Protect Cattle from Wolves..Gotta be something that doesn't offend cows. Maybe Beethoven's 6th (Pastoral) Symphony? Kind of like a John Constable landscape painting set to music -- cows and sheep here and there, but no wolves. Or, on second thought, maybe the soundtrack...
