Charles Oppenheimer Profile Banner
Charles Oppenheimer Profile
Charles Oppenheimer

@choppen5

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Investing in the energy transition, global unity, software. Representing the family of J. Robert Oppenheimer ☮️⚛️

San Francisco, CA
Joined April 2008
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@choppen5
Charles Oppenheimer
1 month
"That's it??" - @rypan This is about 40 years of spent fuel that powered~ 9% of California's electricity, and > 50% of its carbon-free energy (and could even be recycled to retrieve the >90% of energy left in it). After being told over and over in media headlines with absolutely
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@choppen5
Charles Oppenheimer
1 year
Tough choice..
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@choppen5
Charles Oppenheimer
1 month
Another interesting look: if you imagine this much land covered in solar panels compared to the tiny (and beautiful!) footprint of the Diablo Canyon Nuclear Power plant, it is easy to see why the energy density of nuclear energy should be considered at least equal environmental
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@choppen5
Charles Oppenheimer
1 year
Ok, I read it - it's pretty good!
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@choppen5
Charles Oppenheimer
1 year
It would have been kinda nice for @TIME to @ me in this. @elonmusk - should I break out the big $$ for Twitter Blue so I can get more than 23 views??
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@choppen5
Charles Oppenheimer
1 month
Diablo Canyon was a lot more beautiful than I expected.. kind of a cathedral to honor our industrial age - a massive spinning rotor, powered by the pinnacle of human understanding of our physical world, pumping out entropy-fighting juice, adding energy to a closed system.
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@choppen5
Charles Oppenheimer
1 year
@hankgreen That story isn't true. There is no record of it, its absurd to think an attempted murder would have no record. If you read the footnotes more carefully his friends, interviewed 60 years later said, in the first telling "I don't know what he was talking about".
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@choppen5
Charles Oppenheimer
8 months
What's the worst nuclear energy disaster you can think of in the United States - Three Mile Island? If you think that's bad, I'd avoid bananas. "Area residents received a smaller exposure of 1 millirem (10 μSv), or about 1/3 the dose from eating a banana per day for one year."
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@choppen5
Charles Oppenheimer
4 months
Happy birthday, grandpa! It’s JROs 120th birthday. And Earthday. And now - Nuclear Energy Spring Day. Harnessing fission, and unlocking the strong force of the atom will always be with us. We can use that power for war - and the destruction of society as we know it. Or a
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@choppen5
Charles Oppenheimer
1 year
@hankgreen No peer of his living ever heard that, not his powerful enemies. It didn't happen in his life. It was resurrected 85 years after his college spring break, as a rumor. It irresponsible of American Prometheus authors to portray it as a fact, they admit they don't know what
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@choppen5
Charles Oppenheimer
3 months
POV: As an Oppenheimer in Japan
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@choppen5
Charles Oppenheimer
1 month
@Michael63930721 @rypan We can recycle it, it has over 90% of the energy left in it. We choose not to, currently.
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@choppen5
Charles Oppenheimer
1 year
Oppenheimer No. 1 thinker in Atomic Energy
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@choppen5
Charles Oppenheimer
9 months
"This is to certify that I have no first name other than the letter J, and that my full and correct name is J Robert Oppenheimer.”
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@choppen5
Charles Oppenheimer
1 year
I want to a Twitter Spaces as the first live media event hosted by the Oppenheimer family. @MarioNawfal or @elonmusk - would consider attending or even hosting to get some 👀 on it?
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@choppen5
Charles Oppenheimer
9 months
@MattLoszak Memes FTW! So strong. I was writing a multi-paragraph essay about this topic, should have just read this thread!
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@choppen5
Charles Oppenheimer
9 months
The US will lead a push at the COP28 climate summit to triple the amount of installed nuclear power capacity globally by 2050!
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@choppen5
Charles Oppenheimer
6 months
@vkhosla @pmarca We are not in tech economic war with China. War is hell. This is no Manhattan project. You don’t win arms races - everybody looses. Objectively, we are in the midst of massive peaceful cooperation, with goods and services and money and culture and people flowing back and
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@choppen5
Charles Oppenheimer
1 month
@MikeStraka2 @rypan The real alternatives are coal and gas, which are cheaper and baseload, but have unaccounted-for carbon costs (and fuel costs). Solar and wind aren't equal alternatives (and certainly weren't in 1985 when Diablo was built), more like intermittent compliments that go well with
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@choppen5
Charles Oppenheimer
1 year
Great analysis by Scott Sagan. The policies that would have adverted an arms race were right infront of us. Need to use that as a bridge to understand what to do today: more unity, more energy, less weapons.
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@choppen5
Charles Oppenheimer
8 months
I created a flow chart for decision-makers about war.
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@choppen5
Charles Oppenheimer
1 year
Truman: "When will the Russians get the bomb?" Oppenheimer: "I don't know" (he had just explained fission was unconcealable) Truman: "I know" Oppenheimer: "When"? Truman: "Never." Couldn't have been more wrong.
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@choppen5
Charles Oppenheimer
8 months
Wow Oprah is shouting my name
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@choppen5
Charles Oppenheimer
9 months
Times have changed in nuclear energy politics. California parties are accusing their opponents of not being sufficiently *pro* nuclear!
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@choppen5
Charles Oppenheimer
3 months
It has been a pretty special trip to Korea, then Japan.  In Japan, I had an opportunity to do something my grandfather didn’t - visit Hiroshima and talk with survivors.   My impression of Hiroshima is beautiful and healed - and it was an honor to sit with survivors and hear their
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@choppen5
Charles Oppenheimer
1 year
Great breakdown by @MattLoszak
@MattLoszak
Matt Loszak
1 year
The new Oppenheimer film looks amazing!… But it may rekindle public confusion between nuclear reactors and the bomb  - confusion that set the energy sector back decades in the 70s. Here’s how engineers turned Earth’s deadliest weapon into one of our SAFEST energy sources ⬇️
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@choppen5
Charles Oppenheimer
6 months
Oppenheimer #trending
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@choppen5
Charles Oppenheimer
10 months
This Veterans Day, I'm thinking of both my grandfathers who served in World War 2. My mother's father, Major William Wilson Mitchell told me stories of serving in Burma and China - and eventually returning alive, unlike the 70+ million people who lost their lives in World War
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@choppen5
Charles Oppenheimer
1 year
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@choppen5
Charles Oppenheimer
6 months
Highly recommend (thanks @curiouswavefn )
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@choppen5
Charles Oppenheimer
6 months
This is a fantastic statement from Christopher Nolan "Our film ends on what I think is a dramatically necessary note of despair. But in the real world there are all kinds of individuals and organizations who have fought long and hard to reduce the number of nuclear weapons in
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@choppen5
Charles Oppenheimer
11 months
"While we have been investing in technologies like wind and solar, we have completely underinvested in the role nuclear energy could play in scaling a swift and dramatic energy transition. You can’t run an electricity grid with only the variable energy generation of
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@choppen5
Charles Oppenheimer
5 months
Offensive summary.. great cover art tho.
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@choppen5
Charles Oppenheimer
8 months
"I also know you can’t know anybody by their public persona. It’s impossible. I mean you may think you do, but I guarantee you don’t" Wise words from @JeffBezos about @elonmusk . I'm often surprised how often people forget that, even those who are in the public eye. Who feel
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@choppen5
Charles Oppenheimer
1 year
Great analysis from @dr_kkjetelina I'm hopeful that the effect of the Oppenheimer movie are the discussions about what we should do now. …
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@choppen5
Charles Oppenheimer
7 months
Headed to NYC right now. #newenergy
@NEI
Nuclear Energy Inst.
7 months
💲 💲 💲 #NuclearFinancingSummit has its keynote speakers: - @choppen5 - James Walker, @nano_nuclear - Jared Woodard, @BankofAmerica Check out the full agenda and register for this NYC event later this month:
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@choppen5
Charles Oppenheimer
1 year
@PhysInHistory
Physics In History
1 year
Niels Bohr's 1944 letter to Winston Churchill explaining him the scale of the Manhattan Project ✉️ 22nd May 1944 The Rt. Hon. Winston S. Churchill, C.H., M.P. Sir, In accordance with your kind permission, I have the honour to send you a brief report about my impressions of the
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@choppen5
Charles Oppenheimer
6 months
It’s time for a Nuclear Energy Spring. Spring brings with it a new season, a rebirth, new hope. J. Robert Oppenheimer saw that the emergence of nuclear energy in the form of a bomb required new levels of cooperation. After many mistakes - such as creating tens of thousands of
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@choppen5
Charles Oppenheimer
1 year
I'm filmed in this documentary. Sunday, July 9th 10pm EST (I think it is 7pm PST?). Haven't seen it yet.
@msnbc_films
MSNBC Films
1 year
Sunday, July 9th, watch “To End All War: Oppenheimer & The Atomic Bomb,” an @NBCNewsStudios production. The feature documentary examines physicist J. Robert Oppenheimer and the weapon that changed the world. Airs Sunday, July 9th at 10pm ET on @MSNBC and streaming on @Peacock .
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@choppen5
Charles Oppenheimer
1 year
Well done documentary from @LosAlamosNatLab Look for a special guest in the 3rd episode!
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@choppen5
Charles Oppenheimer
1 year
Great interview of Richard Rhodes by @dwarkesh_sp A highlight: 2hr 26 mins when Dwarkesh asks who has been the "wisest political leader" since the development of the bomb. Rhodes says: "There is no question that Oppenheimer’s advice to the government after the war was really
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@choppen5
Charles Oppenheimer
1 year
@begheen @hankgreen This story originated from American Promethus - who note there is no record of it, and the authors didn't know if it happened (and nobody else in the world ever heard of it). Gladwell didn't read the footnotes, and the game of telephone prints it in New York times doesn't make
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@choppen5
Charles Oppenheimer
5 months
It was quite an honor being included in the IAEA Summit on nuclear energy "Establishing a Level Playing Field for Financing Nuclear Power" panel. The day began with national statements - many from prime ministers including @EmmanuelMacron and Belgium De Croo reaffirming the
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@choppen5
Charles Oppenheimer
1 year
@Benioff I just hosted a twitter space. A space-x??
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@choppen5
Charles Oppenheimer
6 months
One thing about live interviews I usually regret is that I'm not very precise in my language. When I write things, I almost always want to edit a million times (where I'm also not very precise, riddled with typos). Maybe I can edit my video responses in the future with a gen
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@choppen5
Charles Oppenheimer
1 year
I keep wanting to say "fission energy". Instead of Nuclear Energy. Which is hard to pronounce, and associated with bombs. Reckon it has any legs? @ryan_pickering_ @isodope @ParisOrtizWines ? #LegalizeNuclearEnergy
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@choppen5
Charles Oppenheimer
1 year
Roasted New Mexico green chilie @molliestonesSF !
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@choppen5
Charles Oppenheimer
1 year
"In the 1950s, the United States and Soviet Union abandoned secrecy and began sharing nuclear technology internationally." Little known fact that nuclear energy has always been a source of cooperation, even in the midst of an insane arms race.
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@choppen5
Charles Oppenheimer
1 year
I like this interview an most of Nolan’s points.
@WIRED
WIRED
1 year
Step into the intriguing world of Christopher Nolan. We unravel his captivating journey into the past, and the filmmaker's insights into the relationship between science, government, and the looming threat of nuclear weapons. 📷: Magnus Nolan 1/8
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@choppen5
Charles Oppenheimer
1 year
About 1hr - 5pm pst - tune into this! with @curiouswavefn
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@choppen5
Charles Oppenheimer
6 months
These guys did a good, sincere job interviewing. And I enjoyed the conversation, went into more detail than the CNN one where we were limited by a few minutes. I stand by the optimism: I have an unreasonable belief that if we build any kind of discussion at the very top, most
@TMZLive
TMZ Live
6 months
Is artificial intelligence a threat to mankind? @choppen5 came on TMZ Live to talk about an open letter he signed warning of the dangers of unregulated AI, climate change, nuclear weapons & more!
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@choppen5
Charles Oppenheimer
9 months
@sapitonmix Speaking of decoupling - a brilliant if a bit long analysis of this @Dr_Keefer I loved the physics part from @jbkrell - but it ends with a crystal clear description of why we need more US production of enriched uranium
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@choppen5
Charles Oppenheimer
3 months
I enjoyed this video of my grandparents visiting Japan -I've never seen it. Also this one
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@choppen5
Charles Oppenheimer
8 months
"The built world and its material inputs are itself another body, an extension of our own physical bodies." We need more philosophy to solve our problems. Looking at our condition as humans. This is spot on.
@Dr_Keefer
chris keefer
8 months
Steel is the skeleton, concrete its flesh, copper is the nervous system, oil its food, fossil energy its life force. The built world and its material inputs are itself another body, an extension of our own physical bodies. Birds build nests, wombats tunnel but humans… we
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@choppen5
Charles Oppenheimer
10 months
Get #nukepilled ! This is an excellent podcast from @packyM and @juliadewahl Podcasts/citizen media have been very important for delivering information about nuclear energy instead of the superficial fear-based media interpretation that most people have. Great editing, and
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@choppen5
Charles Oppenheimer
9 months
Compelling description of the cost differences between solar and nuclear. If you count the full cost of capacity factor, replacement cost, and dealing with intermittency by building backup (fossil fuel systems!), and 75 square mile land leases - even over-budget projects like
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@choppen5
Charles Oppenheimer
7 months
“This thing will never get on the rails unless there is a place where people can talk to each other and work together on the problems of the bomb. And this could be at Oak Ridge, it could be some California desert, but someplace, there has got to be a place where people are free
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@choppen5
Charles Oppenheimer
1 year
I’m honored to have my second piece published in the “Bulletin of the Atomic Scientists” today. Is there a value in looking back, at a different time, different threats, and the wisdom of our ancestors?    I think so - it's something humans need to do.
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@choppen5
Charles Oppenheimer
1 year
An important report by @nytimes It includes a report by @jbkrell - that includes recommendations that if the US scales uranium production it will aid global decarbonization AND reduce proliferation risk:
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@choppen5
Charles Oppenheimer
9 months
"Oppenheimer After Trinity". Way way after Trinity. Great film by @LarrySheffield - it won multiple awards in film festivals. I enjoyed being interviewed for this. Links in comments.
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@choppen5
Charles Oppenheimer
9 months
@GeneDannen The family maintains that was a mistake by the clerk at the hospital. And as Robert said himself, in writing to the US Government, that is the answer. Ah poor JRO.. not even his name could be simple!
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Charles Oppenheimer
6 months
Great article by @JerryBrownGov and @ErnestMoniz .
@NTI_WMD
NTI
6 months
"We must wake up to the reality of today’s nuclear threats, raise our voices and seize the opportunity to build a more peaceful world," write @ErnestMoniz and @JerryBrownGov . #MakeNukesHistory
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@choppen5
Charles Oppenheimer
9 months
Some great discussion and zingers from Tim Gitzel @cameconews and @isabelleboemeke
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@choppen5
Charles Oppenheimer
1 year
April 22nd is J. Robert Oppenheimers birthday - and it is #earthday . Need more science and facts nuclear energy, not using political/media bias used for dis-inviting @standupfornuclear to an #earthday celebration. "The people of the world must unite..."
@ParisOrtizWines
Paris-Ortiz-Wines
1 year
Nuclear Energy is part of the climate conversation - it provides 52% of our low-carbon energy in the U.S. & YET, SF Earth Day denied my friends & I from representing & advocating for one of the greatest low-carbon energy sources - nuclear energy. 🧵
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@choppen5
Charles Oppenheimer
2 years
As an Oppenheimer: “A grave miscarriage of justice has been corrected, portending a new era of...” As a New Mexican: “You talkin’ sh*t about my grandfather ese??”
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@choppen5
Charles Oppenheimer
1 year
@pmarca @bhorowitz You’ve said the lesson of Oppenheimer is that we shouldn’t listen to scientists in policy because… he had some commie friends? And were impressed by Truman talking shit behind his back (while being completely wrong about the US ability to have a monopoly on fission)? That a
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@choppen5
Charles Oppenheimer
10 months
"Those loyalty hearing that the government held on my in 1954. The records printed in so many hundreds of pages of fine print in 1954. My big year, I've heard people say, and my life story complete in those records. But it isn't so. Almost nothing that was important to me
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@choppen5
Charles Oppenheimer
1 year
Fantastic summary from @AngelicaOung about the @jbkrell talk on @DecoupleMedia . Summary: big nuclear is a big deal. I’m a big believer that we can learn from our past and ancestors. And nobody knows more about our nuclear energy past than @jbkrell . And just wait till you
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@choppen5
Charles Oppenheimer
1 year
@curiouswavefn My view of deterrence and MAD "strategy" is that it was accidental. The US blundered our way into it by trying to have a monopoly: "US should have all the bombs and nobody else will have any" was the actual strategy we pursued. When that failed as the scientists said it
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@choppen5
Charles Oppenheimer
6 months
“I am a lot more concerned about a defeatist mentality than I am about the complex problems we currently face. “ One of the many excellent observations 👇
@isabelleboemeke
isabelle 🪐
6 months
Like many in my generation, I used to despise humans and feel hopeless about the future. The book “The Beginning of Infinity” single-handedly turned me into an optimist. It made me see humans and the universe in a completely different way. Here are some of the most important
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@choppen5
Charles Oppenheimer
1 year
@sophieemuirhead That’s great! Maybe that will be the highest purpose of that movie? For pure Oppenheimer stuff I would recommend Letters and Recollections of JRO - his own writing. The Making of the Atomic bomb is a masterpiece - if you can get through that you deserve a Masters.
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@choppen5
Charles Oppenheimer
9 months
I'm creating a holding company. I definitely found the design.
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@choppen5
Charles Oppenheimer
4 months
@kellyjohnj64 In the photo - my grandfather, J. Robert Oppenheimer, my father Peter, and my aunt Toni. ~ 1946 in Berkeley CA. This photo hasn't been published in any public material/biographies, only on here on X.
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@choppen5
Charles Oppenheimer
11 months
I'm trying to write a few sentences sentence that highlights the need to invest in fission energy to complement renewables without being too pejorative about the renewables industry.
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@choppen5
Charles Oppenheimer
9 months
@Dr_Keefer @CanadiansEnergy Fantastic work on this Chris! Change begins with discussion - and you’ve certainly been central in that 🙌
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@choppen5
Charles Oppenheimer
1 month
@alizardx If we account for the total system cost it is competitive:
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@choppen5
Charles Oppenheimer
6 months
@rafaelmgrossi @mission_rf Good to see the dialog. Look forward to it being US, China, and Russia in the same room.
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@choppen5
Charles Oppenheimer
1 year
"there are many truths about the world and many ways of seeing it. These truths might appear divergent or contradictory, but they are all equally essential in representing the true nature of reality; they are complementary." Bohr from @curiouswavefn
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@choppen5
Charles Oppenheimer
8 months
I'm looking forward to this event at the Exploratorium on March 19th. It illustrates the value of building institutions. The founding of the Exploratorium was 100% Frank Oppenheimer, his teaching style came to life. But instead of building a for-profit business, he created an
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@choppen5
Charles Oppenheimer
11 months
@Dr_Keefer @ryan_pickering_ - any thoughts on that? Or summary articles?
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@choppen5
Charles Oppenheimer
1 year
@Yousra_Fettach @MarioNawfal @elonmusk When you do interviews with a media establishiment, which I've been doing, you hand over control to them. The timing, editing, message. A Twitter space is a direct open conversation with the audience.. closer to our family values.
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@choppen5
Charles Oppenheimer
3 years
@alex Wrote a little about this: mentioned you @collectionist !
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@choppen5
Charles Oppenheimer
6 months
To the Secretary of War August 17, 1945
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@choppen5
Charles Oppenheimer
5 months
@AnnieJacobsen Great book
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@choppen5
Charles Oppenheimer
1 year
@Jason @IMAX We did it at AMC Metreon (thanks @UniversalPics ) I can ping AMC for you.. main question is limited availability, once they sell some seats they can’t use it for private events. Dates?
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@choppen5
Charles Oppenheimer
1 month
“There is no simple and direct correlation between the three parts that of the NPT bargain—nuclear disarmament, nonproliferation of nuclear weapons, and the expansion of the peaceful uses of nuclear science and technology.” Great article by
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@choppen5
Charles Oppenheimer
10 months
Roads in San Francisco turned into space for public art for humans instead of vehicles - especially in parks - this is the way ❤️‍🩹
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@choppen5
Charles Oppenheimer
10 months
Scarcity can lead to war; Abundance leads to peace.
@aperturescale
aperture
10 months
(1/2)🌎 We are pleased to announce the release of our collaborative #energy manifesto, a joint effort between Aperture and Oppenheimer Project. Co-written with Robert Oppenheimer's grandson @choppen5 .
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