Geoff Millington

[sportified @sportified25]

🚨When 45-year-old Brian Close stood helmetless and absorbed a lethal West Indies assault in 1976🚨

Question🗣️: Brian, why did you stand chest-on without a helmet against Holding and Roberts bowling at your throat?

Brian Close🗣️: "It was late on a Saturday evening at Old Trafford. The pitch was uneven, the light was fading, and Clive Lloyd unleashed Michael Holding, Andy Roberts, and Wayne Daniel. They weren’t bowling at the stumps; they were hunting heads.

No helmets existed back then. Just a thin cotton cap and thin gloves.

The ball was flying at 95 mph off a ridge, thumping into my ribs, my chest, my arms, and whistling inches past my jaw. Every hit sounded like a rifle shot across the ground.

After one brutal blow to the chest, Tony Greig ran up and asked, 'Are you alright, Closey?' I looked back at him and snapped: 'Of course I'm alright! The ball only has to travel twenty yards back to the bowler; I have to walk ninety yards back to the pavilion if I get out.'

I refused to rub the bruises. I refused to flinch. Giving them the satisfaction of seeing pain was never an option."

[أحمد ♡ @Ahmedxaar0]

شاب ياباني يكشف سر ظل مكتوم لأكثر من 23 سنة 😳

صوّر أحداث 11 سبتمبر 2001 من سطح مبنى يبعد 3 كم عن البرجين، ولما سلّم التسجيل للشرطة رفضوا أخذه أو نشره

وقالوا له إن نشره ممكن يعرّضه للعقاب… وش السبب؟ 🤔

[Math Files @Math_files]

Did you know that NASA does not need hundreds of digits of π for its spacecraft calculations?

π is a transcendental number with infinitely many digits. Humans have calculated trillions of its digits, but NASA's Jet Propulsion Laboratory says that about 15 decimal digits are enough for many high-precision calculations involving spacecraft navigation.

The extra digits make an extremely small difference in practical calculations.

For example, if we calculate the circumference of Earth using π to 15 decimal places, the resulting error is far smaller than what matters for most spacecraft calculations.

Even using just a few decimal places can give very accurate results for everyday measurements. Using more and more digits does not automatically make a calculation more useful.

So, although we can calculate trillions of digits of π, spacecraft missions do not need all of them.

Precision is not about using as many digits as possible. It is about using enough digits for the required accuracy.

[Todd Spence @Todd_Spence]

In 1976, Joe Cocker performed as SNL's musical guest but surprised the live audience when John Belushi came out to duet as his famous SNL impersonation of him 🔥😂 so good

[Cosmos Archive @cosmosarcive]

Euler had a problem that looked almost too simple to be interesting.

1 + 1/2² + 1/3² + 1/4² + ⋯ = ?

Nobody knew exactly what this infinite sum added up to. Then, in 1734, Leonhard Euler found the answer:

∑ₙ₌₁∞ 1/n² = π²/6

And that’s where things get interesting.

Why does π show up in a sum that seems to have nothing to do with circles?

That unexpected connection between simple arithmetic and π is what made the Basel Problem one of Euler’s most beautiful results.

[Physics In History @PhysInHistory]

Nothing in the definitions of e, π, i, 1 and 0 suggests they should be related, and yet they are, exactly.

It falls out of the identity e^{ix} = cos x + i sin x, which is also why complex numbers are unavoidable in quantum mechanics rather than a convenience.

[Mathematica @mathemetica]

Bosons are the integer-spin particles that transmit the fundamental forces and generate mass.

Photons, gluons, and the W and Z bosons mediate electromagnetism, the strong force, and the weak interaction, while the Higgs field supplies mass through spontaneous symmetry breaking.

In quantum field theory they appear as excitations that obey Bose-Einstein statistics, so identical bosons can occupy the same state. Gravity remains the exception: its proposed carrier, the graviton, has never been observed.

[𝓗𝓪𝓷𝓷𝓪𝓱 ☀️سَُ سِِكُسْ_كتَاب MOOD X BOKEP @dixonronald7501]

https://t.co/eF9GfUTR3p
https://t.co/YDWZB0V9Dz

[Alex Carten @AlexCarten_]

Richard Feynman spent 4 days listening to NASA explain why the seal would have worked at that temperature. Then he reached for a glass of ice water.

The night before the launch, the ice team measured the left booster at 25 degrees and the right one at 8. The engineers who built them had spent that evening arguing that nothing below 53 was safe. They were overruled on a 30-minute private call. The manager on site refused to sign the launch recommendation, so a vice president in Utah signed it instead and faxed it to Florida. Challenger lifted off at 36 degrees and came apart 73 seconds later with 7 people aboard.

The report called this a failure of communication. That label is the least interesting thing about it, because the exchange that settles the whole question is 38 seconds long and contains no argument at all.

A NASA official is asked whether anyone understood the seal would stop working at some temperature. He answers in the passive voice and closes on 5 words that hand the decision to nobody in particular.

Then Feynman, who has said almost nothing for hours, runs the only experiment anybody performs on camera during the entire investigation. He clamps a piece of the seal, drops it into the ice water in front of him, waits, and takes it out. The rubber stays squashed. It does not spring back.

He gives the temperature at which this happens, and finishes on 9 words that are the most polite sentence ever used to end an official version of events.

The number underneath the footage is worse than the footage. NASA management had been putting the odds of losing a shuttle at 1 in 100,000. Feynman polled the working engineers anonymously and got answers between 1 in 50 and 1 in 200. Then he found where the management number came from. It was never calculated forward from the hardware at all. It was chosen first, because the vehicle carried people, and the odds of the individual parts were fitted backwards until they produced it. The shuttle went on to fail twice in 135 flights.

The chairman of the commission described him privately in 6 words, and it was not a compliment.

The idea to look at the cold was not even his. It reached him through an Air Force general who asked what cold does to rubber. Who gave it to the general stayed hidden for 27 years, and it turned out to be the person on that commission with the most to lose by saying it out loud.

His own conclusions were kept out of the report until he threatened to take his name off it. They were printed at the back as an appendix and end on a 16-word sentence about the one thing engineering cannot negotiate with. He died 2 years and 4 days after the hearing.

In 2003 a second orbiter came apart on re-entry, and the board that investigated it found the decision process behind the first accident had never been fixed.

The engineers were right, and they said so out loud the night before. It changed nothing, because 1 man in Florida refused to sign and 1 man in Utah agreed to.

Would you have been the one who refused to sign?

[GuilleLombardía @GHLombardia]

CASABLANCA (Michael Curtiz, 1943)
Una jornada llamaron a Humphrey Bogart al estudio para pararse en el set de Rick's Cafe y asentir con la cabeza. No tenía ni idea de que estaba dando su visto bueno para que la banda tocara la "Marsellesa".

[Dire Straits 🎸 @DireStraits77]

Good night to every Dire Straits fan. 🎸🫶
Seize the day with music.
Take care, and stay safe.🫶

Good bye with a real masterpiece ❤️

[fOx @fOx1257067]

I have no idea how they ever managed to finish this movie. 😂

Young Frankenstein was released in 1974, directed by Mel Brooks, produced by Michael Gruskoff, and written by Brooks and Gene Wilder. Wilder starred as Dr. Frederick Frankenstein alongside Peter Boyle, Marty Feldman, Teri Garr, Cloris Leachman and Madeline Kahn.

Brooks shot the movie in black and white as a tribute to the classic Universal Frankenstein films, and they even used some of the original laboratory equipment created for the 1931 Frankenstein.

The finished movie is hilarious enough, but the bloopers show just how much fun this cast was having behind the scenes.

With that much comedic talent packed onto one set, keeping a straight face had to be nearly impossible.

Young Frankenstein turned 50 in 2024 and is still considered one of Mel Brooks’ greatest comedies.

After seeing the bloopers, I’m starting to think getting a usable take was a real challenge.

How many takes do you think it took to finish this film? 😂

[Todd Spence @Todd_Spence]

This outtake from YOUNG FRANKENSTEIN really shows how great Madeline Kahn and Marty Feldman were, and how much fun they had on set 😂 listen for Gene Wilder trying to hold back a laugh at the end

[Andrzej @PopmusicPL]

Michael Jackson - Billie Jean🎶🎤

[Oscar Barbera @OscarBarbera7]

El año es 1986. En el Wembley Arena se juntan Eric Clapton, Phil Collins, McCartney y Elton John para dictar cátedra de #Rock real. Mientras hoy te quieren vender "superbandas" digitales de cartón, acá había sangre y talento. Un #AllStar que no va a volver más. 👑🔥

[🌻Music 🎶🎻🎷 @khalythai]

One of the most unforgettable moments in pop music history. 🕺💃❤️✨

[Rohit @HeyRohhit]

In 1983, a BBC interviewer asked Richard Feynman why two magnets push each other apart — and he refused to answer it.

What he did instead is the best seven minutes on thinking ever filmed.

Bookmark & watch today, no matter what.

[Love Music @khnh80044]

One of the most unforgettable moments in pop music history. 🕺💃❤️✨

[Prof. Carl Sagan @ProfCarlSagan]

How ancient Greeks knew the Earth was round and calculated it's circumference over 2,000 years ago.

[Matheorems @matheorems]

A peak, a fountain, a whirlpool, a dimple: four faces of one symbol.

∇f = ∂f/∂x x̂ + ∂f/∂y ŷ + ∂f/∂z ẑ steepest rise
∇·v = ∂vx/∂x + ∂vy/∂y + ∂vz/∂z net outflow
∇×v local swirl of a vector field
∇²f = ∂²f/∂x² + ∂²f/∂y² + ∂²f/∂z² net curvature

They become Maxwell’s equations, the heat equation, and fluid flow.
∇ is how space itself is differentiated.