There are no aliens[1] or alien technologies at Area 51.
1. Other than a gag mannequin or few.
Ask HN: Teach me something new
31–40 of 782 posts
Re: Ask HN: Teach me something new
#32Earlier quoted context omitted.
Very interesting. whats the use case of this?
Well, no particular use case I can think of. The OP asked for anything that you find interesting so here we are. =)
I'm sure there is a use for it, that pattern may be representative of some other phenomenon in the universe that we haven't correlated it to as of yet.
Re: Ask HN: Teach me something new
#33Re: Ask HN: Teach me something new
#34In "Magic the Gathering Old School 7 Points Singleton" you play the card game Magic the Gathering but only with cards printed in the first 2 years (93/94) and only maximum 1 copy of each in your deck. And power cards are limited to 7 points according to a table found here https://ligaoldschoolmadrid.wordpress.com/2021/03/25/7-point... A wonderful nostalgic way to play the game.
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Re: Ask HN: Teach me something new
#35In "Magic the Gathering Old School 7 Points Singleton" you play the card game Magic the Gathering but only with cards printed in the first 2 years (93/94) and only maximum 1 copy of each in your deck. And power cards are limited to 7 points according to a table found here https://ligaoldschoolmadrid.wordpress.com/2021/03/25/7-point... A wonderful nostalgic way to play the game.
I wish Arena had a mode for that. It sounds like a lot more fun than the modes they currently have. I’m still a beginner in MtG, would you say the way you described is easier than modern Magic?
Re: Ask HN: Teach me something new
#36Here's mine, the Pareto principle or the 80/20 rule. You will find that it applies in MANY ascpects of life and knowing it may give you an `edge'.
https://en.wikipedia.org/wiki/Pareto_principle
Re: Ask HN: Teach me something new
#37I've described this on HN before; forgive me if you've already seen it. I have chronic migraine. It sounds worse than it is; I rarely suffer attacks anymore, and when I do, they're usually mostly harmless, as in the case I'll describe below. Contrary to popular belief, migraine is not a headache. It's something a little more like an epileptic seizure. Intense headaches are one common symptom, but there are a lot of o…
I did find this very interesting. When you experienced the Scotoma, was that combined with pain by the eyes? I get migraines from time to time, but could never imagine pushing through the inability to focus my eyes because it usually comes with pain/nausea.
Re: Ask HN: Teach me something new
#38The Boltzmann brain hypothesis suggests that it would be more likely for a single brain to spontaneously and briefly form in a void (complete with a memory of having existed in our universe) rather than for the universe to come about in the manner cosmologists think it actually did.
In this physics thought experiment, a Boltzmann brain is a fully formed brain, complete with memories of a full human life in our universe, that arises due to extremely rare random fluctuations out of a state of thermodynamic equilibrium. Theoretically, over an extremely large but not infinite amount of time, by sheer chance, atoms in a void could spontaneously come together in such a way as to assemble a functioning human brain. Like any brain in such circumstances (the hostile vacuum of space with no blood supply or body), it would almost immediately stop functioning and begin to deteriorate.
By one calculation, a Boltzmann brain would appear as a quantum fluctuation in the vacuum after a time interval of 10^10^50 years. This fluctuation can occur even in a true Minkowski vacuum (a flat spacetime vacuum lacking vacuum energy). Quantum mechanics heavily favors smaller fluctuations that "borrow" the least amount of energy from the vacuum. Typically, a quantum Boltzmann brain would suddenly appear from the vacuum (alongside an equivalent amount of virtual antimatter), remain only long enough to have a single coherent thought or observation, and then disappear into the vacuum as suddenly as it appeared. Such a brain is completely self-contained, and can never radiate energy out to infinity.
Sources:
https://en.wikipedia.org/wiki/Timeline_of_the_far_future https://en.wikipedia.org/wiki/Boltzmann_brain
Re: Ask HN: Teach me something new
#39Mind Uploading - AKA Whole Brain Emulation
Re: Ask HN: Teach me something new
#40The Boltzmann brain hypothesis suggests that it would be more likely for a single brain to spontaneously and briefly form in a void (complete with a memory of having existed in our universe) rather than for the universe to come about in the manner cosmologists think it actually did. In this physics thought experiment, a Boltzmann brain is a fully formed brain, complete with memories of a full human life in our univer…
Intriguing yet terrifying at the same time.