Spewing like massive tentacular light sabers, steel mill cobbles are unpredictable workplace mishaps that represent "extreme manufacturing danger."
The temperature of molten steel is in excess of 1300°C (2500°F) and it goes without saying that those in the vicinity of strips of molten metal need to be extremely careful. This steel is heated to such temperatures to make it more manageable and allow strips to be gradually reduced in diameter to the required size ... There are images aplenty of steel cobbles because while they are extremely dangerous they happen on a daily basis in many steel plants. Indeed when producing steel via this process you will regularly hear people quote the cobble rate which is in effect the rate of waste.
Some of these videos are weirdly beautiful; all of these are absolutely terrifying.
Here, a stern British man explains what's happening:
— Massimo (@Rainmaker1973) January 22, 2018
Canyon or crack? Crack, obviously, since it's right there in the headline, but isn't it amazing? Especially with clouds photoshopped in to improve its virality coefficient.
There's probably one of these on the plane you just boarded, lurking somewhere the hard-pressed engineers and inspectors might have missed. They have even less time than you do! Metaphorically speaking, of course. Go on, just look out the window, at the wing. Bit of rust around those bolts, eh? Well, they do say that an old, well-maintained plane is safer than a new, badly-maintained one.
If the worst happens, though, and you find yourself plunging into the void of death from 30,000 feet, you can muse over a final flicker of wonderment: maybe in the next life I'll wake up in a tiny canyon.
After World War II and the toppling of the Nazi regime, the Soviets laid claim to much of Germany's highly-advanced metallurgy industry. In so doing they got a head start on the Cold War race for supersonic air superiority. Unwittingly, they also set in motion a larger, and largely forgotten, industrial revolution that shaped the second half of the 20th century and will shape the 21st. This is the story of the birth of the Jet Age — but it’s anchored firmly to the ground.