#nuclear physics

IF NOT FOR MOUTH WHY HONEYCOMB?

IF NOT FOOD WHY LOOK LIKE FORBIDDEN SNACK?

If you have an old phone in a drawer, and you listen very carefully, you can occasionally hear the occasional tap of an emitted SIM card hitting the side of the drawer as the phone transmutes to a lower-end model.

Decay Chain [Explained]

Transcript

[A decay flowchart, starting with the iPhone 16 Pro Max. It alpha decays into the 14 Pro Max, which alpha decays into 12 Pro Max and beta minus decays into the 15 Pro. The former beta minus decays and the latter alpha decays into the iPhone 13 Pro. The 15 Pro beta minus decays into the 16 Plus. The 16 Plus alpha decays and the 13 Pro [unlabelled] decays into the 14 Plus. The 14 Plus beta minus decays into the 15. The 15 alpha decays into the 13 which alpha decays into the 11 which alpha decays into the X which alpha decays into the 7.]

let me tell you about the most disrespected physicist you've never heard of.

chien-shiung wu was born in china in 1912. her father was radical for his time — he believed girls deserved education and founded a school for them. wu thrived. she moved to the US in 1936 to pursue graduate studies in physics at berkeley. she never saw her parents again. they died during the turmoil in china while she was building a career on the other side of the world.

she became one of the foremost experts on nuclear physics. during the manhattan project — yes THAT manhattan project — she was recruited to help solve a critical problem with nuclear reactors. she fixed it. she was one of the few women involved and her contributions were quietly filed away while the men around her became famous.

but the real betrayal came later.

in 1956 two theoretical physicists — tsung-dao lee and chen-ning yang — proposed something wild. they suggested that parity — a fundamental symmetry law in physics that had been assumed true for decades — might not hold in certain nuclear reactions. basically they were saying the universe might not be symmetrical in the way everyone believed. it was a bold claim. but it was just theory. someone needed to prove it.

they went to wu. because she was the best experimentalist alive. they knew it. everyone knew it.

wu designed and conducted one of the most elegant and difficult experiments in the history of physics. she cooled cobalt-60 atoms to near absolute zero and observed their radioactive decay. the results were clear. parity was violated. a law of physics that had been treated as sacred was wrong. she proved it.

the physics world was shaken. this was a massive deal. one of those moments that reshapes how we understand the universe.

in 1957 lee and yang won the nobel prize in physics. the fastest nobel award in history at the time. they proposed the theory. wu proved it. guess who the committee left out.

chien-shiung wu.

the two men who said "hey what if this law is wrong" got the highest honor in science. the woman who actually demonstrated that it WAS wrong got nothing. not even a shared prize. not even a mention.

let that sit for a second. in physics, theory without experimental proof is just a guess. lee and yang's idea would have remained a hypothesis without wu's experiment. she didn't assist. she didn't support. she DID the work that made the discovery real.

and it's not like she was unknown. she was called "the first lady of physics." her colleagues respected her enormously. lee and yang themselves acknowledged her work was essential. but the nobel committee looked at three chinese-american physicists, picked the two men, and moved on.

she spent the rest of her career continuing to do extraordinary work. she became the first woman president of the american physical society. she received other awards eventually. but the nobel — the one that would have put her in textbooks forever — never came.

she once said "i wonder whether the tiny atoms and nuclei, or the mathematical symbols, or the DNA molecules have any preference for either masculine or feminine treatment." she knew exactly what was happening. she just kept working anyway.

wu died in 1997. her gravestone reads "she was one of the giants of physics." and she was. but the world made her fight for every inch of recognition while handing glory to the men standing next to her.