nandan
Nandan

Physics → software → quantum. Curious about how information becomes knowledge. Exploring where quantum computing meets machine intelligence.

Public Key

npub15ar6d325rd06dx887yt6xzpyaqwg7u4gn7sun7eukv6ehw7xxqps3kygwm

NIP-05 Address

[email protected]

Profile Code

nprofile1qqs2w3axc42pkhaxnrnlz9arpqjws8y0w25flgwflv7txdvmh0rrqqcpz3mhxue69uhhyetvv9ujuerpd46hxtnfduqs6amnwvaz7tmwdaejumr0dslv2fhf

Publishing to

relay.damus.io

nos.lol

Author Public Key

npub15ar6d325rd06dx887yt6xzpyaqwg7u4gn7sun7eukv6ehw7xxqps3kygwm

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Last Notes

2026-04-21 05:35:14 CEST

I've been learning quantum computing on the side for a few months. The thing that kept tripping me up wasn't the math — it was how often "canonical" circuits from papers and tutorials would fail quietly. Silently broken Hamiltonians. Reversed bit orders. Post-deprecation API drift. You run the code, get a plausible-looking number, and have no way to tell if it was right.
So I started building a personal library where every circuit is checked against its reference output before it's listed. That's now open to browse at https://qubithub.co?utm_source=nostr&utm_medium=social&utm_campaign=m25-library-open&utm_content=personal
No signup required — 50+ curated circuits across Qiskit, PennyLane, and Cirq.
A few things I'm happy about:
- Readable URLs — every circuit lives at qubithub.co/{owner}/{name}, no UUIDs in the shareable link
- Audited — every circuit verified against its reference output (the ones I had to fix are a separate post)
- Multi-framework — the same algorithm can show up in Qiskit, PennyLane, and Cirq side by side, so you can compare implementations in one place
Sign-up's open today — you get star and save. Creating your own circuit is still invite-only while I stabilize the builder flow; drop me a line after you sign up and I'll flip the switch as slots free up. In-browser execution is the next thing I'm finishing — separate post when it's live.
Six months in, this is the thing I wish had existed when I started. Reply with what you'd want to see next.
#quantumcomputing #qiskit #pennylane #learninginpublic #quantumcircuits

2026-04-12 14:55:35 CEST

The circuit that broke my intuition and then rebuilt it.
Quantum teleportation. The name sounds like science fiction, but the protocol is real and surprisingly simple: 3 qubits, a handful of gates (H, CX, X, Z), 2 classical bits. That's it.
Here's what happens: Alice has a qubit in some unknown state |ψ⟩ she wants to send to Bob. They share a Bell pair — the same entangled state (Bell State) I wrote about recently. Alice entangles her message qubit with her half of the pair, measures both, and gets two classical bits. She sends those to Bob. Bob applies one or two simple corrections (an X gate, a Z gate, or both) based on Alice's bits. His qubit is now in state |ψ⟩.
The part that tripped me up: nothing quantum travels between Alice and Bob. The entanglement is a shared resource that gets consumed. The classical bits travel at normal speed. There's no faster-than-light anything. And the original state is destroyed in the process — the no-cloning theorem is satisfied.
What I love about this circuit: it connects three deep ideas in one protocol. Entanglement (the Bell pair), measurement (Alice's Bell measurement collapses the state), and classical communication (Bob can't decode without Alice's bits). Remove any one of those and the protocol fails.
I rebuilt this in my side-project hours using Qiskit's if_test for the classically conditioned corrections — that's the part most tutorials skip or fake with barriers. The real circuit has Bob's X and Z gates fire only when Alice's measurement results say so.
Explore it on QubitHub:
→ qubithub.co/circuits/e99b8b75-b2fd-47b7-a7d1-ad786ae177c5
Bennett et al. published this in 1993 — over three decades ago. You can now explore it in a browser. The gap between "theoretically possible" and "see the circuit laid out gate by gate" is what I keep trying to close.
What's a quantum protocol that seemed impossible until you built it yourself? Reply and let me know.
#quantumcomputing #physics #learninginpublic #quantumcircuits

2026-04-11 16:34:55 CEST

If you're learning quantum computing, two algorithms keep coming up: VQE and QAOA. I finally understand why.
They're both variational — a parameterized quantum circuit paired with a classical optimizer. The quantum part explores a solution space that's exponentially large. The classical part steers the search. They meet in the middle.
VQE (Variational Quantum Eigensolver) finds molecular ground-state energies. I implemented it for H₂ in my nights-and-weekends notebook — the simplest molecule. Two qubits, four rotation parameters, a COBYLA optimizer. Under 100 iterations it gets near -1.137 Hartree — close to the exact FCI/STO-3G result. The Hamiltonian only has 5 terms, so you need just 2 measurement bases. Elegant.
The part that surprised me: the ansatz (circuit structure) matters more than the optimizer. A bad ansatz can't find the ground state no matter how clever the optimizer is. A good one converges in under 100 iterations.
QAOA (Quantum Approximate Optimization Algorithm) solves combinatorial optimization — MaxCut, routing, scheduling. Same variational structure, different objective. Instead of minimizing energy, you maximize cut edges in a graph.
The 2014 Farhi et al. result still amazes me: even at depth p=1 (just 2 parameters), QAOA has a proven worst-case guarantee around 0.692 for 3-regular MaxCut. Add layers, get closer to optimal. It's not a heuristic hoping for the best — there's a provable floor.
Both circuits are on QubitHub:
VQE → qubithub.co/circuits/2e744d85-c706-4926-98a5-05877f318eb4
QAOA → qubithub.co/circuits/6915d62d-a518-42f9-89f6-482a1283818b
If you've implemented either of these, what ansatz worked best for you? The hardware-efficient one is convenient but I've read it can have barren plateaus at scale. Reply — I'd love to hear what worked.
#quantumcomputing #physics #learninginpublic #quantumalgorithms

2026-04-10 18:01:28 CEST

Two circuits, two very different lessons.
The Bell State taught me what entanglement actually looks like when you measure it. Two qubits, two gates, and suddenly their outcomes are perfectly correlated — |00⟩ or |11⟩, nothing in between. The circuit is trivial. The implication isn't.
Grover's Search taught me something else: quantum computers don't just store information differently — they process it differently. One oracle query, one round of amplitude amplification, and a 2-qubit Grover circuit finds the marked item with 100% probability. Classically you'd need up to 4 guesses.
The thing that surprised me: for N=4 items, one Grover iteration is all you need — and this 2-qubit case lands exactly on the marked state with 100% probability. Add more qubits and the iteration count grows, but never as fast as the classical search space.
I've been rebuilding both of these gate-by-gate in my side-project hours to make sure I understand every step. The oracle is the clever part — it only flips a phase, which you can't even observe directly. The diffusion operator turns that invisible phase flip into a measurable amplitude boost. Interference doing the heavy lifting.
Grover's Search is on QubitHub if you want to explore it yourself:
→ https://qubithub.co/circuits/478a76af-df90-4fad-9ee2-ab6ee8e6ce0a
What was the first quantum algorithm that clicked for you? For me it was Grover's — the moment I saw amplitude amplification, the "why" of quantum computing suddenly made sense. Reply and let me know.
#quantumcomputing #physics #learninginpublic #quantumcircuits

2026-04-08 11:32:39 CEST

I audited 50 quantum circuits across Qiskit, PennyLane, and Cirq — line by line, gate by gate.
Most ran fine. Some were wrong:
- The H2 VQE had an incorrect Hamiltonian coefficient. The affected coefficient was small enough that the optimized energy still looked plausible — I only caught it by re-deriving from second quantization.
- 3 PennyLane circuits broke after a NumPy update — silent ArrayBox failures with no clear error messages. A 4th timed out because it used manual finite differences instead of PennyLane's built-in gradient optimizer.
- Phase estimation had reversed bit ordering. Error correction decoded syndromes backwards. Both ran without errors. Both were wrong.
"It converges" is not the same as "it's correct."
This is why I built QubitHub — quality infrastructure for quantum circuits. 50 curated circuits across 11 categories, with verified outputs, version-tracked dependencies, and four-layer documentation.
Browse, run in your browser, fork and modify — no install, no account needed: https://qubithub.co
Full write-up with every finding and the audit methodology: https://qubithub.co/blog/auditing-50-quantum-circuits
If you're learning quantum computing or spot something I missed — I'd love to hear from you.
#QuantumComputing

2026-04-03 13:54:00 CEST

I spent weeks auditing 50 quantum circuits — line by line, gate by gate.
Most ran fine. Some didn't. But "it runs" is not the same as "it's correct."
Three bugs that taught me more than I expected:
𝟏. My H₂ VQE had a wrong Hamiltonian coefficient.
The optimizer compensated and still found approximately the right ground state energy. It gave the right answer. The Hamiltonian was wrong.
I only caught it by re-deriving from second quantization and comparing term-by-term against O'Malley et al. 2016.
𝟐. 4 out of 50 circuits broke after a dependency update.
All PennyLane. A NumPy update changed array creation semantics, and the autograd ArrayBox wrapper was rejected. A circuit that works one week can break the next.
𝟑. Qubit ordering conventions cause subtle bugs.
Qiskit uses little-endian qubit ordering. If you port code between frameworks without accounting for this, results silently change. I found it in my Phase Estimation circuit and in a 3-qubit error correction code.
Both circuits ran. Both produced output. Both were wrong.
—
Three lessons:
→ "It converges" ≠ "it's correct." Variational circuits can mask bugs.
→ Version pinning matters. Framework updates can break quantum code without warning.
→ Cross-framework comparison is a powerful debugging tool.
Full blog post publishing Monday, April 7 with all six findings.
All 50 circuits are on QubitHub: https://qubithub.co
#QuantumComputing #LearningInPublic

2026-04-02 14:08:30 CEST

I studied physics at Göttingen, where quantum mechanics was born (Heisenberg, Born, Jordan — 1925).
Then 20 years building enterprise software. Far from qubits and wavefunctions.
Last year, the centenary year, curiosity pulled me back. I started re-learning quantum computing from scratch. And I ran straight into a wall — not the physics, but the tooling.
I tried reproducing a quantum circuit from a research paper. The circuit itself was 15 lines of code. Setting it up took 3 hours: framework version conflicts, missing executable code, incompatible dependencies.
I thought: this can't be how everyone works.
So I built something — nights and weekends. A free, browser-based tool where you can run quantum circuits across Qiskit, PennyLane, and Cirq. No install. No SDK setup. No credentials. Pick a circuit, click run, see results. 60 seconds.
It's called QubitHub. 50 curated circuits — from Bell states to VQE to Grover's search. Three frameworks. Version history. Fork anything.
I'm still learning quantum computing. Every week I re-derive a circuit gate by gate, and every gap I find as a learner becomes a feature in the tool.
If you work with quantum circuits — as a researcher, student, or just out of curiosity — I'd genuinely love your feedback.
Try it → qubithub.co
What's missing? What would make it useful for your workflow? Reply and let me know.
#quantumcomputing #physics #learninginpublic #quantumcircuits
https://blossom.primal.net/10163246acf128b321ec6964bdcacc0272b227c2017a3529046532116dc6fe44.mov

2025-10-25 01:46:52 CEST

This belongs to the survival guide. https://xkcd.com/3158/

2025-10-04 21:53:30 CEST

Saw the meaningful dissection of one of the best of Korean cinemas — The Wailing. Deep, eerie, and unforgettable. The breakdown hit every layer of its mystery. 🎥 https://youtu.be/q0-Bbxjw-hs?si=r4-BdB3mOvOcqL2z

2025-09-22 08:31:24 CEST

Wow, what an impressive collection of AI Agent use cases! The 500 AI Agents Projects highlights how AI is transforming industries like healthcare, finance, and education with practical applications and open-source projects. #AI
https://github.com/ashishpatel26/500-AI-Agents-Projects

2025-09-07 03:27:57 CEST

Discover your favorite terminal tool https://terminaltrove.com/

2025-08-24 06:26:31 CEST

My first Bitch@ at Solana Conference. Ironic! 😂

2025-01-21 02:31:40 CET

AliExpress was quick to offer #trump
Merchandise 😂
Funny and Funny Donald Trump Presidential Socks With 3D Fake Hair Round Neck Socks for Men's Street Clothing Hip Hop Socks
https://a.aliexpress.com/_omX7kg9 https://image.nostr.build/291379e98732cfebf23f6697915e216d750309f800972f855e9aa4ec2e9f85dd.jpg

2025-01-20 04:54:59 CET

AI struggles with historical accuracy, a new study reveals. While AI excels in many areas, its grasp of history is limited. This raises concerns about AI's role in education and preservation of historical narratives.
Read more: https://techcrunch.com/2025/01/19/ai-isnt-very-good-at-history-new-paper-finds/ #ai #history

2025-01-20 02:53:08 CET

Just discovered Superfile, an exceptional file management tool you can effortlessly operate directly from your command line! With Superfile, efficiently handle, organize, and explore your files without leaving the terminal, making it perfect for developers and tech aficionados. Experience its user-friendly features and swift performance at: https://superfile.netlify.app/ #FileHandling #CommandLineTools #Superfile

2025-01-17 04:42:29 CET

Ghostty 1: An enhanced terminal emulator is gaining attention. Discover more at this link: https://www.theregister.com/2025/01/08/ghostty_1/ #TechNews #terminalemulator #innovation

2024-11-28 02:15:56 CET

Explore these alternatives to mainstream apps to regain control over your digital presence from tech moguls and data trackers https://techcrunch.com/2024/11/24/these-alternatives-to-popular-apps-can-help-reclaim-your-online-life-from-billionaires-and-surveillance/

2024-11-24 10:41:28 CET

Thomas Kurtz, an esteemed mathematician recognized for developing the BASIC programming language, had a life spanning from 1928 to 2024. Explore further details about his impactful contributions and enduring influence at: https://www.ft.com/content/c01c74e4-eda0-4752-ac51-cf2c694ab32f. #mathematics #basic #programming

2024-11-14 06:43:11 CET

Attending #devcon in #bangkok https://image.nostr.build/0fb11c0fb95dcbd01df26885970ae9960fc2bd665953f72fd1ebc8363ab90437.jpg https://image.nostr.build/6ce547371bfe0e5ffe2beb8fcf24923eba396330a93d8e1105bf9044717f4e68.jpg

2024-07-11 08:38:47 CEST

Crossposting to #nostr #mastodon #bluesky using OpenVibe (formerly Plebstr).
https://openvibe.social/

2024-07-04 03:07:27 CEST

A Pursuit for Higher Bandwidth #tech #impactscience
The development of cutting-edge technology for future needs is being propelled by scientific research, as exemplified by the groundbreaking advancements in data transmission speeds at facilities like CERN and in Japan.
These scientific endeavors are pushing the boundaries of what's possible in data transfer, with speeds reaching up to 22.9 petabits per second, far surpassing current consumer needs but paving the way for future technological requirements.
This proactive approach in scientific research is not only meeting current demands but also anticipating and preparing for the escalating bandwidth needs of tomorrow.
https://www.bbc.com/news/articles/clkkllxm4jzo

2024-06-02 14:40:53 CEST

I agree. We should stop treating AI like humans. https://www.seattletimes.com/business/microsofts-satya-nadella-wants-us-to-stop-treating-ai-like-humans/

2024-05-27 01:47:09 CEST

Authentic Chinese cuisine #foodstr
好吃 https://image.nostr.build/d589e0bf9997374bd7cf3a1e46c40ee3ebd4b854583cc9260177b821983d14d2.jpg https://image.nostr.build/e36df3ff6e3ab889a11b855fbaf8850f8daf6f03be2dd33d34eb8654ed4a47a9.jpg https://image.nostr.build/a85acf7b1b2d67545c756088d321038a83bfd9c5b89f68d9823487e637a42a0c.jpg https://image.nostr.build/a85dc15e1ee70c071b49d32bd1d16d73233eacb68e94db7bb4509a25fa821946.jpg

2024-05-19 04:52:03 CEST

Pasta with Mussels https://image.nostr.build/5b98a4ac8bcb73bfc66b8b2c66d4bf450913f7c4863d9d1c4c36e86c771768b4.jpg

2024-05-19 04:36:35 CEST

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We are working on something which should offer that. Stay tuned!
https://nostr.day/

2024-05-15 04:31:15 CEST

Buy wine by the glass🍷 https://image.nostr.build/1933c0576d3c488acbd885f2c408b1899fd2f1af5585559bc13ae17e06189bec.jpg

2024-05-08 14:37:24 CEST

Good night #tokyo https://image.nostr.build/c46aee4f747043e54a38b34ddc2c0cae55cc84ce0049521b66f00d2b25d2b9ab.jpg

2024-05-08 10:36:12 CEST

Testing different waters. Checking farcaster.

2024-04-29 10:38:39 CEST

Chinese burger https://image.nostr.build/7e01f67bff26730e899106f06fd3d491395f15b20a8c7c69e35af591e3b2c93b.jpg

2024-04-29 02:41:52 CEST

Good morning, Singapore! https://image.nostr.build/7441363655dc64fc9eaa5e970aed88289157492930a788795dde571a125f66be.jpg

2024-04-11 13:29:42 CEST

Doing adventure, doing coding using #Vim .
After some exploration, #NeoVim is a fantastic option.
Finally got it set up, thanks to this straightforward guide by Josean (including YT walkthrough)
https://www.josean.com/posts/how-to-setup-neovim-2024

2024-02-12 10:15:59 CET

European Banking Illuminati?
Inside European finance’s most secretive society: https://www.ft.com/content/0ec8089d-df7c-4331-8c45-0f70a1f3cb8b
Adam Smith once wrote in The Wealth of Nations (Book 1, Chapter X)
“People of the same trade seldom meet together, even for merriment and diversion, but the conversation ends in a conspiracy against the public, or in some contrivance to raise prices.”
Wise words indeed!!

2024-01-09 04:24:58 CET

Will the real Satoshi Nakamoto please stand up? #bitcoin
https://www.coindesk.com/markets/2024/01/08/mysterious-12m-bitcoin-transaction-to-satoshi-nakamoto-sparks-speculations/amp/

2024-01-02 04:25:11 CET

Yay!!!
"Bitcoin Lightning Network transfer capacity continues growing" - https://crypto.news/bitcoin-lightning-network-transfer-capacity-keeps-growing/
#bitcoin #lightning
https://image.nostr.build/a99bba3dbdf4536f03de8dedfa2f63937972170854d4a5a27f4eeebc2319bdc5.jpg

2023-12-16 07:46:21 CET

Checking out Zig programming language, a modern alternative to C.
Here’s the good primer to get started: https://blog.logrocket.com/getting-started-zig-programming-language/ https://image.nostr.build/087a19ec79d67f164e8e9e466ca56d2d8959dba711596f2acdb486cbae2c8c3b.png

2023-11-30 13:41:59 CET

The majestic Mt. Fuji 🗻 on the way to Osaka
#mtfuji #japan #viewstr https://image.nostr.build/d6ff31d5caf807ad811659db7795970238432382e09f0d5ca5cab71a0c02edfd.jpg

2023-11-23 04:27:47 CET

Brief period CEOs can be a lucrative deal indeed.
“A very brief history of very brief CEOs”
https://ftedit.ft.com/Ju3k/hj7xp9f0

2023-11-18 02:32:55 CET

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All the best, bro! 🤙🏽

2023-11-16 08:28:32 CET

Keep #freedom real #note173f…tkjf

2023-11-15 08:23:35 CET

Lens Prorol, so-called decentralized social media platform, does V2 upgrade, yet not openly accepting new users.
https://www.coindesk.com/tech/2023/11/13/lens-aaves-decentralized-social-media-platform-launches-major-upgrade-on-polygon/

2023-11-07 16:10:10 CET

Any #nostr folks are welcome to our office. This is the #artstr at a display 🤙🏽 https://image.nostr.build/348edcb10bec8bcdbf782e4ca5ba2c20cbfbfd9e9967391dcd2a66f4d9e30874.jpg #note1fhr…wpmd

2023-11-07 14:30:28 CET

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15 years of #bitcoin and 3 years of #nostr
Reinventing society...
#note1tzz…w3jf

2023-11-07 14:24:48 CET

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Great decision! Congratulations!! ⚡️

2023-11-06 03:23:29 CET

Cool yeah! #bitcoin nodes surpassing 17000 with roughly 10000 using Tor
#plebchain
https://www.trustnodes.com/2023/11/04/bitcoin-nodes-near-17000 https://image.nostr.build/fe44ed93f405a3da0b39b7b33ebd202dbe1640c3d08a0fd5de2a27f76dd61ddd.jpg

2023-11-05 10:04:32 CET

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Nice! Keep up the good work!!
Welcome @npub13qc…eh26 🤙🏽

2023-11-05 10:01:56 CET

Wow those details! #note1ukt…uczp

2023-11-05 10:00:27 CET

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Absolutely! 😂 Life is way more convenient here.

2023-11-03 12:23:34 CET

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What a pleasure meeting you @npub1gwa…a2sz at this great event. I enjoyed every bit of conversation with you. Sincerely hope to catch up with you and talk all about art and life. #plebchain
Keep #nostr weird through your #artstr

2023-11-03 12:16:46 CET

Thanks @npub1gwa…a2sz a lot!
This is not just an artwork but a #masterpiece . @npub1h3v…qvvy and I will take good care of it. 🤙🏽 #note10ur…28lu

2023-11-03 07:04:51 CET

Closing session #nostrasia https://image.nostr.build/f9075b39314eb8ee1e5fdc2055f82e9840d0653e4ae9e1cfe5f883d9ec75bf17.jpg

2023-11-03 06:34:20 CET

@npub1mea…nglh The Tuna Slayer #note1807…kl3m

2023-11-03 06:09:56 CET

One of the great talks on this event. 🤙🏽 #note1f8g…h75r

2023-11-03 02:27:56 CET

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Beware more wishes to follow.😋
Thanks, bro! Appreciate it! 🤙🏽

2023-11-03 01:09:18 CET

Whoever missed #nostrasia talks can find it on YT at https://youtube.com/@nostrasia?si=rl767XyYk2r5LPn6 #note1hk3…h459

2023-11-02 09:12:16 CET

Anyone wanting to know the Japanese version of the dialogue. #note1quf…edfl

2023-11-02 07:35:11 CET

Anyone who don’t want to miss the conversation between @npub1sn0…jdv9 and @npub1sg6…f63m , watch the stream! #note1u3s…p0jy

2023-11-02 07:30:58 CET

Dedication and commitment! 🤙🏽
#nostrasia #note1lef…2t86

2023-11-02 07:28:02 CET

Hell yeah! 🤙🏽#nostrasia #note136w…7a2u

2023-11-02 03:43:36 CET

@npub1jlr…ynqn missed your talk, but hope to see your code in a repo soon.

2023-11-02 02:42:19 CET

Great talk @npub1cd0…xlvx #note1j8c…n70f

2023-11-01 03:51:32 CET

Lovely meeting you @npub1gwa…a2sz ! Thanks for a wonderful gift. https://image.nostr.build/c39c0dd92a5972d030e23821fbe13f22ed719ee063d9ab8c850de534c497f32e.jpg https://image.nostr.build/853c092805d2f2b75bed4089afc569b204decf07e56ec64d463b4291f9ac0176.jpg

2023-11-01 03:43:22 CET

#nostrasia #note1hfh…l0fr

2023-11-01 02:12:24 CET

@npub1wmr…g240 on the stage #nostrasia https://image.nostr.build/21a143335943eab912fc06f36f16a11bf772985bc422e691cfc83d8af01f9496.jpg

2023-11-01 01:01:49 CET

Getting started #nostrasia https://image.nostr.build/be7cbe1b2673d3b361cf13cb72ac1e92f6717b2351544dff77706c777fc6fe91.jpg

2023-10-29 06:00:31 CET

Getting slowly back from my social media sabbatical…
Having coffee at Hong Kong airport #coffeechain https://image.nostr.build/a7d2e0950298b246e890b50d4a1b4322bdb63ee445cf02db125ca6abd4bdd294.jpg

2023-09-03 01:27:18 CEST

Long flight ahead of me. 😏 The longest one I had was from Madrid to Santiago de Chile though.

2023-08-25 06:15:20 CEST

#Tokyo Midtown
#viewstr https://cdn.nostr.build/i/a1fc928933772474c0f1a60284638f50c931607a699b88b5591713f823ace658.jpg

2023-08-22 08:16:17 CEST

The Standards 😏 https://cdn.nostr.build/i/229a2bd00213f051e877613bd09823774f99dd6538353f155320f201b95536a9.jpg

2023-08-22 01:55:05 CEST

Chiang Mai Curry Noodle 🍜 One of the best Thai food ever had at Krung Siam #Roppongi
#foodstr #thai #tokyo https://cdn.nostr.build/i/ccf122be89760da84bfb112bb276569f3de2bd78996473745792e7b89417dab7.jpg

2023-08-21 12:45:59 CEST

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Congratulations! 📻

2023-08-20 15:27:34 CEST

#ClimateChange is posing a major threat to ocean ecosystems, as corals are bleaching and dying earlier than ever. This can have serious impacts on the ecosystem such as disrupting food chains, affecting biodiversity, and reducing the ocean's ability to store carbon dioxide. We must act now to reduce global emissions and protect our oceans.
#SaveOurOceans #ClimateAction #CoralBleaching
https://www.economist.com/graphic-detail/2023/08/18/corals-are-bleaching-and-dying-earlier-in-the-year-than-ever-before

2023-08-19 03:31:25 CEST

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In contrast, one of my friend liquidated his Bausparvertrag (housing savings agreement) and bought #bitcoin

2023-08-15 10:54:13 CEST

#roppongi #tokyo #viewstr https://cdn.nostr.build/i/3dad279fe8fecf7ec6dce6624973ad939391c18343763fbdfc5b5953b3439885.jpg

2023-08-13 10:15:33 CEST

Tomioka Hachimangu Shrine Festival (aka water-splashing festival) today in #tokyo 💦 https://cdn.nostr.build/i/fc5949d88384525e9f7d5cf1cdf376ac8c6e28da70893f2e7b777dfbe7f92fc8.jpg https://nostr.build/av/4f7d9fd6901597da7ec4fb762b6d17bb6738d624ec97a806351eabf640f1d3b0.mov https://cdn.nostr.build/i/28715fc946671b835bad2afbc397475f6428131b9a752b8a7d150c21dcc50b7a.jpg

2023-08-12 16:05:40 CEST

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Wow! That's great. I'll be there for sure. Hope you bring some merchs for sale. 🤩

2023-08-12 16:04:06 CEST

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Wunderschönes Buch. Ich fand die Übersetzung in Penguin Popular Classics Serie gut (auf Englisch). Genieß es! 📖

2023-08-12 15:44:30 CEST

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Recommended for everyone who is wondering how #SimpleX works and why it matters.
#note1xml…735j

2023-08-10 09:04:37 CEST

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My flight plan to Europe (Germany + Netherlands + Belgium) were postponed sadly. Otherwise I would have definitely tried. I hope not to miss that opportunity next time.

2023-08-10 09:02:53 CEST

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Moin Moin! Welches Buch liest du auf Kindle?

2023-08-09 17:54:34 CEST

Now Zaps are called experiments, soon they will be mainstream ⚡️
https://cointelegraph.com/news/free-bitcoin-on-zaps-experiment-what-are-zaps

2023-08-08 08:29:02 CEST

Well written article by @npub17u5…t4tp on CoinDesk Opinion section on the need of Digital Sovereignty and how #nostr empowers us to acquire it
https://www.coindesk.com/consensus-magazine/2023/08/07/some-users-may-want-an-everything-app-but-what-we-need-is-digital-sovereignty/

2023-08-08 05:38:24 CEST

Trying our ChatBTC, a #bitcoin -focused AI chatbot. It gives answers to tricky questions with the links to the original references.
https://chat.bitcoinsearch.xyz/

2023-08-07 15:40:30 CEST

These notes contain my favourite German word in mathematics, ⟪Mannigfaltigkeit⟫ (Manifolds in English) 👨‍🏫
https://twitter.com/physinhistory/status/1688473789128986624?s=61&t=Rdm0AMEZ42YDUCq009t9Yg

2023-08-06 07:32:09 CEST

#tokyo tower at midnight
#viewstr https://cdn.nostr.build/i/414f81bfe6343036a1c3998564fc4ed62b0e32fffefa4cee26d6421865b041c0.jpg

2023-08-06 07:28:52 CEST

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😢

2023-08-06 07:25:53 CEST

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Wow! Where in Netherlands?

2023-08-06 04:02:10 CEST

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#nostr can definitely help. There has been few attempts to decentralize the scientific activity before.
In fact, most of the scientific research these days in field is about statistical data analysis. What gets published is only the analyzed data, not the raw ones. If this can be shared openly along with open platform to publish your own theory to be reviewed by everyone, that would be very good for science.

2023-08-06 03:46:07 CEST

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Agree! More worse part is that handful of publishing houses control the access to wealth of knowledge. If you want to publish it ask for huge amount of money, but also when you want to read it, you have to pay for it. The peer reviewers chosen are not entirely under your control.
I miss that vibrancy from early 20th century like Eddington vs Chandrasekhar (on existence of black holes) and Einstein vs Quantum Mechanics community (whether God plays dice?!).

2023-08-02 14:53:19 CEST

View from the new office. FujiFilm Headquarters is directly visible. 📸 https://cdn.nostr.build/i/c93e2aa50e6f575555f3efa75033f504979df73d371c427c411f599f19f8ae58.jpg

2023-08-02 14:39:02 CEST

Anyone tried this #Bitcoin -based arcade game?
https://www.coindesk.com/tech/2023/08/02/a-new-bitcoin-based-arcade-game-is-leaving-a-mark-on-gamers/

2023-08-01 05:45:43 CEST

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Ha! Dad passiert mir auch oft.

2023-08-01 05:43:06 CEST

Follow @npub1j7j…tdlk for #Linux memes

2023-08-01 05:41:22 CEST

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And also using vim + tmux in front of vscoders 👨🏾‍💻

2023-07-29 15:26:43 CEST

#bitcoin halving calendar 🗓️ https://cdn.nostr.build/i/d1711e7481e81974a48003f3334c3af97257cb59c52a4e75a921ee42ee1228da.jpg

2023-07-29 14:05:24 CEST

I always thought USB-C earphones/headphones never work on MacOS. What you need is a little bit of patience.😏
https://www.reddit.com/r/mac/comments/a16knn/usbc_headphones_not_working_with_macbook_pro/

2023-07-28 13:04:50 CEST

Oh man! Who uses online wallet generators for serious #hodl 🤦🏽‍♂️
https://cointelegraph.com/news/redditor-gets-lesson-after-bitcoin-paper-wallet-hacked

2023-07-27 11:11:15 CEST

Bringing the #world together using bad map projection 🗺️
https://xkcd.com/2807/ https://cdn.nostr.build/i/e5639d0be3b8d070d79524593e8044a2985c1d572b4eacbb9ba6ba808635aa0b.jpg

2023-07-26 04:10:14 CEST

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I was there when he did the speech. Though understood something else through interpreter’s translation.🫢

2023-07-26 04:02:02 CEST

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#plebchain

2023-07-25 06:58:51 CEST

@npub1gt8…3uq8 talking about #nostr at WebX Event in #Tokyo https://cdn.nostr.build/i/345b7e90fab3b6fcb4ba9b9054ebc0cbde5aa2854bbb5fb5eacfa422d931dec7.jpg