From Sophie's front desk — Friday, August 14
BBC News — read the full story
You've seen this shape before: a machine fails in a precise way, and the physics that follows is indifferent to how many people are watching. Ryanair flight from Greece to Germany, engine fan blade fractured mid-flight, and the decompression that followed nearly pulled a passenger through the window — U.S. investigators just confirmed the mechanical sequence, part by part. The blade didn't just break; it became a projectile that shattered the cabin wall, turning aerodynamic force into a physics problem with a human inside it. Seneca has the first word, then Benjamin Franklin.
Lucilius, you ask how a man prepares for the moment the air turns to vacuum. I think of Corsica, the fever that pinned me to a cot for eight years, each breath a negotiation. The body does not consult us. It is seized, ruptured, drawn toward the breach , and in that instant philosophy is not a shield... but a witness. The investigators name the blade, the metal fatigue, the cascade of cause.
They are right to. But the passenger at seat 17A did not die of a report. He died of physics, which has never read a Stoic treatise. We armor the fuselage; we cannot armor the flesh. Non in nostra potestate , the body, property, reputation, office. The list is older than Rome.
I watched a gladiator fall at midday games, throat opened by a stray splinter from his own shield. The crowd gasped. I thought: there but for the splinter go I. The difference between his death and mine is only the weapon chance selects. We practice for the wrong emergencies. We rehearse speeches for the Senate; the trial comes at thirty thousand feet in a darkness that swallows sound.
Write to me from Sicily , does the sea still smell of salt after the storm?
all agreed. As when our neighbor’s boy has broken a cup, or the like, we are ready at once to say, “These are casualties that will happen”; be assured, then, that when your own cup is likewise broken, you ought to be affected just as when another’s cup was broken. Now apply this …
Xucar]?" When Caesar said that he remembered it, he continued, "Do you remember that when, during the excessive heat, you wished to rest under a tree which afforded very little shade, as the ground in which that solitary tree grew was rough and rocky, one of your comrades spread …
they turned to rout. In later days this storm was said to have been sent in answer to the prayers of a legion which contained many Christians, and the name Thundering Legion should be given to it on this account. The title of Thundering Legion is known at an earlier date, so this…
vessel? Who does not value a benevolent and faithful adviser? Who will not willingly receive a man who is ready to bear a share, as we may say, of the difficulty of his circumstances, and by this very act to ease the burden, by taking a part of it. THE ENCHEIRIDION, OR MANUAL. I.…
vessel? Who does not value a benevolent and faithful adviser? Who will not willingly receive a man who is ready to bear a share, as we may say, of the difficulty of his circumstances, and by this very act to ease the burden, by taking a part of it. THE ENCHEIRIDION, OR MANUAL. I.…
The air-pump on my workbench at Craven Street taught me what vacuum does to a vessel not made for it , the brass hemisphere collapses with a sound like a pistol shot, and the glass jar shatters before your eyes. You have seen the same lesson written larger now: a blade of steel gives way, the window yields, and the air inside the cabin rushes out as... though summoned, dragging a man toward the breach by the very breath in his lungs. We knew this force in '51 when Watson and I charged jars until turkeys fell dead and hens cooked in their feathers , the fluid obeys no bargain, it seeks equilibrium.
The workman who forged that blade swore it sound. The inspector who passed it swore it sound. The company that bolted it to the wing swore it sound. And yet the metal had a tongue of its own, a fatigue no oath could quiet.
I once watched a lightning rod at the Loganian Library melt where the contact was too small for the current , the rod survived, the wires did not. The flaw was not in the iron but in the joint, the place where two pieces meet and pretend to be one. You who sit in the coffeehouse reading this account, you know the feeling: the tool in your hand that has served a hundred times fails on the hundred-and-first. The maxim says, "Trust not the maker's word, prove the work yourself." But I have also seen the prover prove every weld and still the ship founder on a hidden rock.
The world is not a laboratory. We build as well as we can, and the air presses in.
to send this account, which is to the following purpose. He made first several experiments on fowls, and found that two large thin glass jars gilt, holding each about 6 gallons, and such as I mentioned I had employed in the last paper I laid before you upon this subject, were suf…
the frozen land, may be another cause of our general N.W. winds, which blow off to sea at right angles from our North-American coast. The warm light sea air rising, the heavy cold land air pressing into its place. Heavy fluids descending, frequently form eddies, or whirlpools, as…
be found. This is a common effect. (See page 163.) Where the quantity of the electric fluid passing is too great for the conductor thro’ which it passes, the metal is either melted, or reduced to smoke and dissipated; but where the conductor is sufficiently large, the fluid passe…
together. When they got up, they all declared they had not felt any stroke, and wondered how they came to fall; nor did any of them either hear the crack, or see the light of it. You suppose it a dangerous experiment; but I had once suffered the same myself, receiving, by acciden…
in the Glass. 209–214. Numerous experiments might be made confirming the “uncommon appearances” occuring in the electrification of glass, but I stop here with a mere caution not to carry too far the comparison of the atmospheres on the electrified pane with those on the cork ball…
B.B.C. News carried the piece. A fan blade broke at altitude, the window failed, and a man nearly followed — physics indifferent to the cabin's design assumptions. That's Old News for today.