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Christian Keil Profile picture
Christian Keil
@pronounced_kyle
Chief of Staff @Astranis, building internet satellites ◦ investing in deep tech startups ◦ the future will be amazing if we make it so
Feb 13, 2024 • 6 tweets • 2 min read
So GitLab posts their internal Zoom call recordings on YouTube, and some have HUNDREDS OF THOUSANDS of views...

Because people use them to pretend like they're working.
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Image Example:
Jan 14, 2024 • 5 tweets • 2 min read
Still blows my mind that you can take ANY MIT COURSE you want, online, for free.

Machine learning? Nuclear physics? Quantum computing? All there.

Truly unreal.
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Image Link: ocw.mit.edu
Jan 7, 2024 • 4 tweets • 3 min read
All human knowledge can be compressed into ~40 GB.

We're not that smart. Yet. Image FWIW I mean this to be a reason for optimism.

We have so much left to discover; we are still at the very beginning of the growth of human knowledge
Jan 3, 2024 • 18 tweets • 9 min read
The two Chinese labs working on replicating LK-99 appear to have found a room-temperature superconductor.

At first blush, here's what's different from last time:

• it's more like "room temperature" than room temperature, the paper says 250K which is -10 F or -23 C. That's still HUGE IF TRUE, because we can get things that cold with liquid nitrogen

• we have actually discovered a superconductor at this temperature before, but it was at high pressure. This paper says it's potentially superconductive AT AMBIENT, NORMAL PRESSURE

• it has *already* replicated, with two separate labs in China confirming the results. Last time the big question was "will it replicate." And the answer this time seems to be "it already has"Image
Image The chemical difference appears to be that this thing has sulfur where LK-99 did not.

Interestingly, the first floating LK-99 was rumored to have been contaminated with sulfur... That was bad then, but it might have been what turned the researchers onto this new material.
Dec 19, 2023 • 12 tweets • 3 min read
THIS BOOK IS A TRAVESTY.

Someone just bought it for my soon-to-be-born son.

Here is a replay of my internal monologue as I gave it a first read: Image Not a bad start. Seems like it's going to talk about momentum here, and then, presumably, equal and opposite reactions. Image
Oct 26, 2021 • 8 tweets • 3 min read
This is a thread of threads of threads. (And they're actually awesome.)

Exponential insights await you 🧵👇 Thread of threads from @SahilBloom on accelerating your career: