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Heat vs wave equations. en.wikipedia.org/wiki/Heat_equa… en.wikipedia.org/wiki/Wave_equa…
Here’s another photo captured from my 12” telescope. Nebulae are infinitely complex and fractal in nature- the closer you look, the more you see. Zooming into this photo you’ll see complex shapes and structures not found anywhere else in nature.
Nothing is magic - not even life.
Watch the strange, life-like behavior of small ball bearings in castor oil when exposed to an electric field—a fascinating display of self-organization. 📽: Stanford Complexity Group
This chart tells you why we wont be getting critical minerals like lithium or rare earths from space. You're not brining back 100s of thousands of tons and if you tried you'd fill the atmosphere with nitrous oxides from reentry. Space resources are for space.
First experimental confirmation of a chemical reaction enabled by quantum tunnelling after 15 years of effort: scientificamerican.com/article/bizarr… Hydrogen reacts with deuterium at an extremely slow rate but it does match theoretical predictions of 1 in 100 billion collisions.
Einstein on the importance for scientists of studying the philosophy of science, which is "the mark of distinction between a mere artisan or specialist and a real seeker after truth."
What is ChatGPT doing ... and why does it work? From the lore of neural nets to what Aristotle didn't get to ... here's my version of the story: writings.stephenwolfram.com/2023/02/what-i…
In this thread we'll take a trek (swim?) into the nitrogen cycle, it's influence on home aquaria , and the life and death effects it has on everything living inside your little glass water box.
Simplified animation of a 5-speed Manual transmission: 🟢 input shaft, connected to the motor via the Clutch 🔴Layshaft 🔘output shaft 🔵constant-mesh wheels of the gears 1, 2, 3 and 5 🟠 reverse [source: buff.ly/2JVSuRX]
NASA and Boeing's study on cutting edge of efficient subsonic flight in 2040: ntrs.nasa.gov/citations/2012… Truss-braced wings with L/D>16, methane fuel-cells and unducted turbofans augmented with superconducting motors show a -64% fuel burn when combined.
The Fourier Transform explained in one sentence [source and read more, by Stuart Riffle: buff.ly/3ILfsdD]
![Rainmaker1973's tweet image. The Fourier Transform explained in one sentence
[source and read more, by Stuart Riffle: buff.ly/3ILfsdD]](https://pbs.twimg.com/media/FmcB_hWXkAA7Hav.png)
While not particularly well written, this new paper introduces architectural forms that minimize tensile stresses for structures built in-situ on Mars. Neat idea. nature.com/articles/s4159…
This infographic visualizes the difference between Euclidean, spherical and hyperbolic geometry [source: buff.ly/3hHuy9j] [read more: ow.ly/AO0630q1yht]
![Rainmaker1973's tweet image. This infographic visualizes the difference between Euclidean, spherical and hyperbolic geometry
[source: buff.ly/3hHuy9j]
[read more: ow.ly/AO0630q1yht]](https://pbs.twimg.com/media/Fk15QjpWYAM4HVN.jpg)
"Mother, cart and children". Photograph by Antoni Arissa. Spain, 1927.
1/On the 4th November 2010, while climbing over Indonesia, Qantas flight QF32 reported a problem on their Airbus A380, the world’s largest passenger aircraft. Engine 2 had just exploded. This thread runs through it all, and how a tiny 0.5mm manufacturing defect was the cause.
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