Paul Halpern

Paul Halpern

@phalpern.bsky.social

Physicist and Science Writer. Author of nineteen books, most recently THE GREAT ATOM DEBATE: ERNST MACH, LUDWIG BOLTZMANN, AND THE BATTLE FOR THE ESSENCE OF REALITY https://greatatomdebate.com/

3.9K followers3.8K following807 posts

Painting of Albert Einstein on violin and Paul Ehrenfest on piano. Ehrenfest was a student of Ludwig Boltzmann, an extraordinary physicist in his own right, and a dear friend of Einstein. Original watercolor by Marijke Kamerlingh-Onnes, courtesy AIP Emilio Segrè Visual Archives #Einstein #science

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Using the Uncertainty Principle to Shield a Shy Quantum Physicist: Heisenberg and Dirac were on a trip to Japan, when a reporter wanted to interview both of them. Knowing that Dirac was very shy, Heisenberg pretended not to know where he was, when he was actually standing close! #science #quantum

Paul Halpern reposted

My heart is heavy. Walter Koenig, our Ensign Pavel Chekov, passed away early today. Walter and I met on the bridge of the Enterprise in the 1960s, and we stayed friends for nearly six decades. When Brad and I married in 2008, Walter stood beside us as our best man.

Using the Uncertainty Principle to Shield a Shy Quantum Physicist: Heisenberg and Dirac were on a trip to Japan, when a reporter wanted to interview both of them. Knowing that Dirac was very shy, Heisenberg pretended not to know where he was, when he was actually standing close! #science #quantum

Paul Halpern reposted

The weird, colourful garden where CERN's obsolete particle detectors enjoy their quiet retirement #science #physics #CERN

Paul Halpern reposted

In this spooky house in Leiden, Holland, so different from other houses in that picturesque city, physicist Paul Ehrenfest once lived. There he hosted friends such as Albert Einstein. #science #physics #Einstein

Paul Halpern reposted

Spooky Physics: In 1933, the New York Times compared Niels Bohr's quantum concept of complementarity to the Strange Case of Dr. Jekyll and Mr. Hyde #HappyHalloween #Spooky #Physics

Paul Halpern reposted

'You know I am in disagreement with most of my colleagues on the quantum theory. They are not facing the facts [and] have abandoned reason! Bohr's thinking is clear but when he begins to write he becomes very obscure and he thinks of himself as a prophet.' -Albert Einstein #science #quantum

Paul Halpern reposted

Albert Einstein moved to the United States on 17 October 1933. Two weeks later, Halloween arrived. When a group of girls knocked on his door that evening and shouted 'Trick or Treat,' Einstein came to the front porch and played the violin for them: capitalcentury.com/1933.html #Halloween

Paul Halpern reposted

'The non-mathematician is seized by a mysterious shuddering when he hears of “four-dimensional” things, by a feeling not unlike that awakened by thoughts of the occult. And yet there is no more commonplace statement than that the world in which we live is a 4D space-time continuum.' -Albert Einstein

Paul Halpern reposted

'If... all of scientific knowledge were to be destroyed, and only one sentence passed on to the next generation... what statement would contain the most information in the fewest words? I believe it is the atomic hypothesis... that all things are made of atoms' -Richard Feynman #GreatAtomDebate

Paul Halpern reposted

The strange, hypothetical notion of Boltzmann Brains, entities assembled by mere chance elsewhere in the cosmos with false memories of lives never lived. Video by Mauritz Wilshusen, starring Paul Halpern greatatomdebate.com #greatatomdebate #BoltzmannBrain #booksky #science #physics #Boltzmann

Paul Halpern reposted

Thinking about what to wear for Halloween? Nuclear shell model pioneer Maria Goeppert Mayer, the second woman to receive a Nobel Prize in Physics, shows off her wonderful bat costume (AIP ESVA) #HappyHalloween #science

Paul Halpern reposted

SPOOKY QUANTUM PHYSICS! 🎃👻 'I cannot seriously believe in [quantum mechanics] because the theory cannot be reconciled with the idea that physics should represent a reality in space and time, free from spooky actions at a distance.' -Albert Einstein to Max Born March 3, 1947

'You know I am in disagreement with most of my colleagues on the quantum theory. They are not facing the facts [and] have abandoned reason! Bohr's thinking is clear but when he begins to write he becomes very obscure and he thinks of himself as a prophet.' -Albert Einstein #science #quantum

Spooky Physics: In 1933, the New York Times compared Niels Bohr's quantum concept of complementarity to the Strange Case of Dr. Jekyll and Mr. Hyde #HappyHalloween #Spooky #Physics

In this spooky house in Leiden, Holland, so different from other houses in that picturesque city, physicist Paul Ehrenfest once lived. There he hosted friends such as Albert Einstein. #science #physics #Einstein

Paul Halpern reposted

I can’t wait to read it!

Paul Halpern@phalpern.bsky.social

Forbes Review of THE GREAT ATOM DEBATE "The Great Atom Debate by Paul Halpern is a truly fun dual biography about two eminent 19th-century scientists who had a long-running, almost cutthroat rivalry centered on the question of whether atoms exist." www.forbes.com/sites/rebecc... #science #BookSky

Albert Einstein moved to the United States on 17 October 1933. Two weeks later, Halloween arrived. When a group of girls knocked on his door that evening and shouted 'Trick or Treat,' Einstein came to the front porch and played the violin for them: capitalcentury.com/1933.html #Halloween

Carve your Halloween pumpkins into scary versions of scientists (Symmetry Magazine): Paul Dirac-ula Mummy Noether Albert Frank-Einstein Werewolfgang Pauli Scary Curie (Photo for Symmetry by Reidar Hahn, Fermilab with Sandbox Studios) #Halloween #science

Thinking about what to wear for Halloween? Nuclear shell model pioneer Maria Goeppert Mayer, the second woman to receive a Nobel Prize in Physics, shows off her wonderful bat costume (AIP ESVA) #HappyHalloween #science

The strange, hypothetical notion of Boltzmann Brains, entities assembled by mere chance elsewhere in the cosmos with false memories of lives never lived. Video by Mauritz Wilshusen, starring Paul Halpern greatatomdebate.com #greatatomdebate #BoltzmannBrain #booksky #science #physics #Boltzmann

Paul Halpern reposted

'It is nothing short of a miracle that modern methods of instruction have not yet entirely strangled the holy curiosity of inquiry.' -Albert Einstein #Einstein #science #physics

Paul Halpern reposted

Forbes Review of THE GREAT ATOM DEBATE "The Great Atom Debate by Paul Halpern is a truly fun dual biography about two eminent 19th-century scientists who had a long-running, almost cutthroat rivalry centered on the question of whether atoms exist." www.forbes.com/sites/rebecc... #science #BookSky

Paul Halpern reposted

Albert Einstein moved to the United States on 17 October 1933. Two weeks later, Halloween arrived. When a group of girls knocked on his door that evening and shouted 'Trick or Treat,' Einstein came to the front porch and played the violin for them: capitalcentury.com/1933.html #Einstein

Paul Halpern reposted

Albert Einstein, in his final years, was a fan of comedian Sid Caesar, and invited him to visit. Sadly, Einstein died before that could happen. But Robert Oppenheimer later met with Caesar, after a lecture he gave, and conveyed Einstein's deep appreciation web.archive.org/web/20111229... #Einstein

Paul Halpern reposted

'It was Ernst Mach who, in his History of Mechanics, upset [my] dogmatic faith [in Newtonian mechanics]... I see Mach's greatness in his incorruptible skepticism and independence.' -Albert Einstein #Einstein #Mach #GreatAtomDebate #science #physics

'If... all of scientific knowledge were to be destroyed, and only one sentence passed on to the next generation... what statement would contain the most information in the fewest words? I believe it is the atomic hypothesis... that all things are made of atoms' -Richard Feynman #GreatAtomDebate

SPOOKY QUANTUM PHYSICS! 🎃👻 'I cannot seriously believe in [quantum mechanics] because the theory cannot be reconciled with the idea that physics should represent a reality in space and time, free from spooky actions at a distance.' -Albert Einstein to Max Born March 3, 1947

Albert Einstein moved to the United States on 17 October 1933. Two weeks later, Halloween arrived. When a group of girls knocked on his door that evening and shouted 'Trick or Treat,' Einstein came to the front porch and played the violin for them: capitalcentury.com/1933.html #Einstein

Albert Einstein, in his final years, was a fan of comedian Sid Caesar, and invited him to visit. Sadly, Einstein died before that could happen. But Robert Oppenheimer later met with Caesar, after a lecture he gave, and conveyed Einstein's deep appreciation web.archive.org/web/20111229... #Einstein

Paul Halpern reposted

7 mind-bending comparisons between the Universe and the human body The Universe is too vast for our minds to comprehend, while the cellular, molecular, and atomic world within us is mind-numbingly small. These 7 comparisons help bridge that gap. bigthink.com/starts-with-... #space #astro #human

bigthink.com7 mind-bending comparisons between the Universe and the human bodyCompared to the scale of the cosmos, a single human body might seem insignificant. But there's an entire Universe within each of us, too.