adeledeweylopez

5 ms·

1.
by adeledeweylopez 5y ago
That's probably because they are 3D printed prototypes. He says in the link that they're working on creating the molds for injection molding.
2.
by adeledeweylopez 5y ago
Sure, but when urgency suddenly became necessary, mRNA technology was pursued quickly, which indicates that we already knew it was promising.
3.
by adeledeweylopez 6y ago
Hitler was not good, much less great, for technology. Germany was the scientific center of the world before the Nazis took power, so their successes are mostly attributable to inertia. The Nazis destroyed this on their own with the 1933 Nur
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by adeledeweylopez 6y ago
Everything on that website is good like that, but unfortunately I wish I had more like it to recommend.
5.
by adeledeweylopez 6y ago
Yeah, it is different, but once you know what you're after you can measure. It's a "type error" to ask for the number of bits of entropy in a baseball, but if you ask for the bits of entropy of a baseball given everythin
6.
by adeledeweylopez 6y ago
Yeah! You can derive the second law from "conservation of information". This is a great resource about thermodynamics which goes into some of these ideas: http://www.av8n.com/physics/thermo
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by adeledeweylopez 6y ago
Entropy is a measure of the uncertainty that an observer has over the microstates (i.e. the exact state of every atom) given their knowledge of the macrostate (i.e. what they are capable of describing: like "the water is just above fre
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by adeledeweylopez 6y ago
And they're getting bought by Intuit (TurboTax)...
9.
by adeledeweylopez 6y ago
One of the major aims of physics is to try to describe reality with mathematical constructs. If you start with what can be directly observed or experienced, then that's phenomenology. Those are both valid and interesting ways of trying
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by adeledeweylopez 6y ago
"The Many-Worlds Interpretation has it that each time we make a measurement, reality splits into several alternative versions, identical except for the measurement outcome." That's not right, the Many-Worlds Interpretation is
11.
by adeledeweylopez 6y ago
Memory engrams are thought to be DNA methylation patterns in a neuron's DNA. http://learnmem.cshlp.org/content/23/10/587.full https://www.nature.com/articles/s41467-020-14498-4
12.
by adeledeweylopez 6y ago
Nope, black holes have entropy proportional to the surface area of their event horizon. So the more stuff they engulf, the more their entropy increases, and thus they satisfy the 2nd law of thermodynamics just like everything else. It'
13.
by adeledeweylopez 6y ago
The Bullet Cluster ( https://en.wikipedia.org/wiki/Bullet_Cluster ) is a big reason why: it's a collision of two clusters of galaxies. We can see where the gas and stars are, but gravitational lensing indicates the
14.
by adeledeweylopez 6y ago
But we know that is very possible to do already, via relativistic effects.
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by adeledeweylopez 6y ago
I think it's just because hispanic people are poorer and thus more likely to be essential workers.
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by adeledeweylopez 6y ago
Honestly I think that will be harder for this kind of system than writing this sort of code. It takes a certain kind of creativity to think of ways that code could potentially fail, and it also requires fairly deep understanding of the inte
17.
by adeledeweylopez 6y ago
As a teen, I was obsessed with knot theory, and Conway's knot notation always felt like magic to me. The notation works by counting the number of twists in a segment, and then looking for another twist directly connected to the previou
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by adeledeweylopez 9y ago
For women considering Modafinil, note that it interferes with hormonal birth control.
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by adeledeweylopez 10y ago
Terry Tao has a really great post where he depicts group actions (every Rubik's cube move sequence is a group action) as arrows in a graph, and with this picture, commutators can be seen as arrows that make a relatively small change:
20.
by adeledeweylopez 10y ago
Keisler has a introductory text book (available free here: https://www.math.wisc.edu/~keisler/calc.html ) that uses non-standard analysis, which he claims is easier for beginners to understand than the notorious delta-e
21.
by adeledeweylopez 11y ago
It seems like they address this issue as well: "Another key advantage is that most of the solid blanket materials used to surround the fusion chamber in such reactors are replaced by a liquid material that can easily be circulated and