oh i always assumed that the squeeze bottles are safer because they barely let any oxygen into it. if you mean those aluminum squeeze tube ones.
Hallo ich mache Philosophie, Technik und Gesellschaft.
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i’ve never actually seen oil turn bad. and that’s after i keep them without refrigeration for months.
Only way to know for sure is to read the original point.
well, no, you could also implement something like a checksum …
that’s because they already did that on their home planet
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Showerthoughts@lemmy.world•teleportation machines might be possible, but not economically meaningful
0·2 hours agonah, like, i mean, exponentially more expensive. rocket equation

as you go faster, you need exponentially more fuel (with chemical rockets). so it gets really expensive really fast.
you could improve the speed somewhat by switching to electric / nuclear propulsion or by using a solar sail. While electric / nuclear propulsion just increases the effective exhaust velocity, which gives you greater Δv achievable, solar sails fundamentally change the game because they don’t require exhaust to accelerate the spaceship. Instead, any star’s light pushes the ship forward through the pressure that radiation exerts on a surface (thus the name solar sail). Yet while it allows arbitrary maximum speeds, acceleration itself is a very slow process this way, so it might take thousands of years to reach peak speed, which only pays off if you do interstellar travel.
my personal opinion is that instant (i.e. arbitrarily close to speed of light) teleportation machines could be built in theory, but doing so is really expensive and there’s just no economical reason to do so.
for example, for fast travel, we already have aircraft and rockets. Yet nobody would use them to ship objects produced in china to europe, e.g. cars, if there’s no time-critical component (i.e. food that spoils very quickly etc.). So the fastest way of travel is typically also the most expensive one, while cheaper modes of transport take more time.
Then, you can think of a teleportation device as a mode of transport where the speed approaches the speed of light. If our previous experience is anything to go by, that means that the cost of transport would increase enormously, and thus practically nobody would use it anyways. So that’s the practical side to this thing.
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Showerthoughts@lemmy.world•have you ever thought about how lichen are like plants
0·14 hours agophysics is all about boiling water!
bad taste in decoration, i guess. lmao
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No Stupid Questions@lemmy.ca•What does grace mean to or has been experienced by you?
0·16 hours ago“grace” is just not in my dictionary. it can be as simple as that
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Showerthoughts@lemmy.world•black holes can provide energy to nearby planets
0·18 hours agoyeah, i’ve actually calculated that about 50% of the rest mass of the object can be converted into useful energy that way.
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Showerthoughts@lemmy.world•have you ever thought about how lichen are like plants
0·19 hours agoyeah but mold destroys the thing that it grows on. lichen do not.
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World News@lemmy.world•Mexico cuts workweek, bans after-hours contact, and guarantees no worker will take a pay cut in the most sweeping labor reform in a generationEnglish
0·20 hours agoa free-market approach is only tolerated by the people as long as it benefits the masses. as soon as the people see that they’re losing, they’re violently gonna take what they need; i have faith in that. so i don’t think that neoliberalism is long for this world.
that’s what i tell all my patients. i could un-curse them in a moment, but that’s bad because lots of curses are actually load-bearing, especially if they’ve been there for a long time. you gotta remove them slowly, give the healthy tissue a chance to fill up that hole.
two through, so far so good
country music can be really good
i think the decline in quality is mostly because music producers try to appeal to a broader audience, which necessarily makes it dumber
damn
you’re right
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World News@lemmy.world•Mexico cuts workweek, bans after-hours contact, and guarantees no worker will take a pay cut in the most sweeping labor reform in a generationEnglish
0·21 hours agoOur only means of gaining resources to survive is to interact with the market economy that has captured everything, and do so through the exchange of money we earn selling our labour.
that’s neoliberal thought; not everything should be traded on the market.
IIRC typical online live video streaming today typically has a delay of at least 2-3 seconds, to avoid jitter and stuttering.











me