Leave these fields empty (spam trap):
Name
You can leave this blank to post anonymously, or you can create a Tripcode by using the format Name#Password
Subject
Comment
[i]Italic Text[/i]
[b]Bold Text[/b]
[spoiler]Spoiler Text[/spoiler]
>Highlight/Quote Text
[pre]Preformatted & Monospace Text[/pre]
[super]Superset Text[/super]
[sub]Subset Text[/sub]
1. Numbered lists become ordered lists
* Bulleted lists become unordered lists
File

Sandwich


Harm Reduction Notes for the COVID-19 Pandemic

fractals are the way secrets of the universe ?

View Thread Reply
- Sat, 29 Jun 2019 13:14:33 EST AO8Gahk0 No.57752
File: 1561828473859.jpg -(555646B / 542.62KB, 1899x1105) Thumbnail displayed, click image for full size. fractals are the way  secrets  of the universe ?
fractals are the way secrets of the universe ?

https://www.youtube.com/watch?v=1fYCaC3hcc8

https://www.youtube.com/watch?v=4ZTpEtWikoY
3 posts omitted. Click View Thread to read.
>>
Anders Angstrom - Sun, 08 Mar 2020 00:52:02 EST f2ZZbPdY No.58012 Reply
>>57752
I'm sure it's the programming code of the universe
>>
justin bryant - Sun, 24 May 2020 16:25:55 EST HeCUPa43 No.58075 Reply
>>57752
kolidascrocpes are not the showing of the univerise im pretty sure your able to see thatt once in yoyr life.

JWST Canceled?

View Thread Reply
- Tue, 28 Apr 2020 09:53:18 EST 7lnt4VT8 No.58056
File: 1588081998493.jpg -(265726B / 259.50KB, 1359x740) Thumbnail displayed, click image for full size. JWST Canceled?
NASA hasn't updated the status page on JWST in over two months, so its pretty safe to say that work on the project has been suspended. I guess it'll never launch after all, what a total waste of 15 billion dollars.
https://jwst.nasa.gov/content/status/index.html
User is currently banned from all boards 3 posts and 1 images omitted. Click View Thread to read.
>>
Caroline Herschel - Tue, 19 May 2020 17:47:08 EST hHA8k8ZO No.58069 Reply
>>58062
Man i so want this to work, that would be frikkin dope
>>
Friedrich Bessel - Wed, 20 May 2020 16:53:55 EST pNbTjc9M No.58070 Reply
>>58056
Why is OP banned? What is this thread? Is it worth looking at?
>>
Bernard Burke - Sat, 23 May 2020 21:55:16 EST EZOyjhDZ No.58074 Reply
>>58070
The James Webb is worth looking at.
OP was probably banned for something else.

What is the point of Star Trek Picard???

View Thread Reply
- Mon, 17 Feb 2020 02:17:34 EST aVozUNfZ No.57977
File: 1581923854545.png -(313044B / 305.71KB, 783x669) Thumbnail displayed, click image for full size. What is the point of Star Trek Picard???
I mean both in universe and out of universe?

just watched the 4 episodes and It's like ok robots are bad the federation is and picard is old and wants to go on an adventure, romulans are bad and broken and its all just like what is all this in service of???

like even if it ends with "jeez we stopped the plot and blew up the fake borg cube" then what was the point? just nothing has any impact on anything
FEMA ALERT!!! 🚨🚨🚨🚨🚨
FEMA ALERT!!! 🚨🚨🚨🚨🚨
FEMA ALERT!!! 🚨🚨🚨🚨🚨
FEMA ALERT!!! 🚨🚨🚨🚨🚨
FEMA ALERT!!! 🚨🚨🚨🚨🚨
FEMA ALERT!!! 🚨🚨🚨🚨🚨
FEMA ALERT!!! 🚨🚨🚨🚨🚨
FEMA ALERT!!! 🚨🚨🚨🚨🚨
FEMA ALERT!!! 🚨🚨🚨🚨🚨
FEMA ALERT!!! 🚨🚨🚨🚨🚨
FEMA ALERT!!! 🚨🚨🚨🚨🚨
FEMA ALERT!!! 🚨🚨🚨🚨🚨
FEMA ALERT!!! 🚨🚨🚨🚨🚨
7 posts omitted. Click View Thread to read.
>>
Friedrich Bessel - Wed, 20 May 2020 16:54:47 EST pNbTjc9M No.58071 Reply
>>57977
>fema
Just make Alex Jones the head of FEMA. Whatever happens, it will be amusing.
>>
Joseph Lockyer - Wed, 20 May 2020 17:09:28 EST EZOyjhDZ No.58072 Reply
>>58071
Don't jinx it the clown might actually do it by the end of his 2nd term.
>>
William de Sitter - Thu, 21 May 2020 23:59:19 EST pNbTjc9M No.58073 Reply
>>58072
Fuck you, it would be incredible. Alex Jones for permanent position as head of FEMA! Do it now! Best timeline ever!
>imagine it...
imagine it... I bet first thing jones does is order a bunch of water filters and bodybags, the true essentials for FEMA.

Candy Rockets!

View Thread Reply
- Sun, 29 Mar 2020 00:56:38 EST n+7z5RVF No.58034
File: 1585457798883.jpg -(11322B / 11.06KB, 138x365) Thumbnail displayed, click image for full size. Candy Rockets!
I just bought some KNO3 (stump remover) at the hardware store today and will be making my first attempt at DIY rockets in the very near future. I'll be starting with the standard 65/35 ratio and then working in other additives to fine tune. I'm using Spectricide brand KNO3 and cheap, grocery store table sugar purchased at Walmart. I'll be doing the cooking in a motel room that my employer rents for me when I travel, because if I blow myself up it'll be way more entertaining to do it in a motel. I plan on using heavy cardboard tubes (scrap material from work) for motor casings plugged on the ends with bentonite clay (kitty litter).

I'll post pics of my work as I go along assuming my IP doesn't get highjacked and give updates on mixes and results. If you are already doing this, chime in, post pics and rock(et) on!
1 posts omitted. Click View Thread to read.
>>
William Lassell - Thu, 07 May 2020 20:25:17 EST EZOyjhDZ No.58061 Reply
Never built sugar rockets.
From what I know about it the risky part melting the sugar and oxidizer together.
You could inadvertently ignite the mixture.
If you go with the common hot plate & spatula method make sure your hotplate's thermostat is accurate, and check for hotspots.

Also this thread probably belongs to /stem/

If you want to do this right you'd use a method that removes you, the operator from the procedure.
Like for example build one hotplate with multiple heating elements that are controlled electronically so it is heated uniformly.
>>
Tadashi Nakajima - Sun, 17 May 2020 00:32:34 EST /GUFbL88 No.58068 Reply
I suppose this thread is less "spaec piccs" than most of /sagan, but c'mon, what's more space than motherloving rockets?

As for the heating being risky, yeah, it can be. Mostly the trick seems to be to use the lowest effective setting on the hotplate and bail if your mix starts to get too dark or smokes. I just watched a YouTube video that demonstrates using sorbitol, which has a much lower melting temp than sugar. Watching those videos is dangerous though because now I have the urge to use perchlorates which dials up the risk dramatically. Basics first though, I'm not even working with machined nozzles yet.

Also I just want to say, whatthe goddamn fucking hell is with the suddentotal lack of availability of coffee grinders in the various retail places ie: Walmart, Target, Kohl's etc? Is there some sort of grind-your-own revival going on? I'm still waiting for my eBay purchase to show up and my propellant mix thus far has been an embarrassing failure for lack of adequate pulverizing and blending.

Dark Matter

View Thread Reply
- Fri, 17 Jan 2020 23:41:50 EST Q2er1WFU No.57963
File: 1579322510429.gif -(5253041B / 5.01MB, 600x300) Thumbnail displayed, click image for full size. Dark Matter
This is probably pretty dumb or has already been proposed but what if large masses move space along with them?
I've had the idea after stirring my coffee, noticing that if you didn't know about the coffee you'd wonder why the cream won't stop rotating.
10 posts and 2 images omitted. Click View Thread to read.
>>
Johann Encke - Wed, 22 Apr 2020 13:02:02 EST iJcoyZ+q No.58052 Reply
Dark Matter is weird
The Universe works in weird ways
>>
Edward Pickering - Thu, 14 May 2020 21:13:32 EST R+NnEwcz No.58065 Reply
>>58050
I wanted to say something negative about your post, but my tolerance is gone apparently and I think you are probably right here... though I suspect that whatever the greater topic is, you are likely wrong. Though, the point of science is to always get praised when you find out you are wrong, before someone else finds that out first.
>>
Edward Pickering - Thu, 14 May 2020 21:14:37 EST R+NnEwcz No.58066 Reply
>>58052
Dark matter is just a numerical placeholder to keep models working for unrelated tasks.

Astrophotography

View Thread Reply
- Mon, 23 Mar 2020 19:03:30 EST zhzC7ZYp No.58017
File: 1585004610644.png -(2842084B / 2.71MB, 1366x1154) Thumbnail displayed, click image for full size. Astrophotography
How many of you do astrophotography? Anyone down to share photos and discuss setups? Any outsiders to the hobby interested and have questions? Git on in here.

Pic related, my most recent, and probably best shot of a galaxy- NGC2903. Taken on a Canon T6i through a 6" f/5 Newt on a Meade LX85 mount @ ISO 1600, 61x32sec exposures + 142 bias frames, 23 dark frames, 91 flat frames. Processed in DeepSkyStacker, PixInsight, and RawTherapee.
14 posts and 6 images omitted. Click View Thread to read.
>>
Molniya - Wed, 13 May 2020 11:55:09 EST ZuMF7RSe No.58064 Reply
1589385309943.png -(533432B / 520.93KB, 336x264) Thumbnail displayed, click image for full size.
ISS with the japanese HTV-7 next to it. Took it ~2 years ago with a 60mm refractor and a phone

Floating colonies on Venus

View Thread Reply
- Sun, 06 Dec 2015 16:45:02 EST vB+y87GU No.55850
File: 1449438302494.jpg -(34599B / 33.79KB, 556x334) Thumbnail displayed, click image for full size. Floating colonies on Venus
What does /sagan/ think of this?
I think it's a pretty fucking sweet idea. I wonder what sort of materials you could use that are both light weight and durable enough for a floating Venusian colony. I had an idea that could help with the buoyancy of the thing: non essential parts of the structure (floors and walls) could be made out of brick like objects that are either vacuum hollow or filled with a gas like helium at very low pressure. They would be brick like objects because many could be punctured without jepordizing the integrity of the station. one could also vent waste heat out the bottom and sides to create a bit of thrust.
The only major problem would be in getting people and materials to and from the colony. Then again, I suspect by the time we're in a position to build something like this, navigating the haze of the Venusian atmosphere safely won't be much of a challenge.
16 posts and 1 images omitted. Click View Thread to read.
>>
Robert Dicke - Tue, 08 Dec 2015 18:00:55 EST vB+y87GU No.55873 Reply
>>55867
>The asteroid belt is where its at.
Well obviously colonization of Mars and Venus and the construction of space habitats would take place within the context of a well established and rapidly expanding space economy. I don't have to tell you that there is an incredible abundance of resources between Mercury and suburban Jupiter. In the midst of taking advantage of this tremendous windfall, it only makes sense to put habitable places where we can. If for no other reason than as a way station and a refuge. (think a stop for fuel or something at a space station orbiting Venus on your way from Earth to Mercury or something)

>I wouldn't want to go to Venus, there isn't anything there. You can't land on the surface, no moons, no nothing, bbbbooring
The most brutal hellscape in the solar system is boring to you? I don't want to insult you or anything, but whaaa? I don't know how any place in our solar system could be considered boring (well, aside from the MASSIVE expanses of literally nothing, but that goes without saying)
>you can't land on the surface
With currently existing caveman tech it's not a very good idea.

>Given our lives now, i know in 300 years there will be a miserable dick job of 'asteroid miner'. So you didn't go to college and you are a physically capable young person, get your ass to space and go get some stuff.
Frankly neither of us can imagine what human societies will look like in three centuries. If neo-liberal capitalism is still the default system, I'm not sure we'll even be around in three hundred years. Anyway, asteroid mining will likely be almost entirely automated. It makes more sense to have a bunch of durable, easy to produce machines hacking up rocks in space, not a bunch of frail bloodsacks who can't function in an irradiated, freezing, vacuum.

> I like realistic sci-fi
Me too. I love Star Wars, but the lore of franchises like Star Trek and Mass Effect is so much more interesting BECAUSE so much of it is plausible.

>In your universe, I want magic powers like the force and shit.
I'm not operating within a magic universe. I'm talking about something that will become achievable within the context of a future space based economy. I see the point in your criticisms. There isn't a direct need for a Venusian colony when you could just have a few ring habitats orbiting the planet. Still, a floating colony could be useful for tourism and scientific research. And when you've got a massive economy and advanced technology, it's inevitable that some people will think "hey, lets do thing."

>>55868
Brah, the sun isn't a rare earth metal.
>>
Johann Encke - Wed, 22 Apr 2020 13:03:01 EST iJcoyZ+q No.58053 Reply
it could work but the gasses on Venus are toxic so you can't breathe it

Type 2 & 3 Civilizations

View Thread Reply
- Tue, 12 Nov 2019 21:04:20 EST gskNGeFw No.57852
File: 1573610660903.jpg -(70405B / 68.75KB, 728x410) Thumbnail displayed, click image for full size. Type 2 & 3 Civilizations
I've been pondering on embroaching my skilltelect at writing passable sci-fiction into a book that dwelges the line between a, let's say type 2 civilization and a type 3 civilization. I was thinking having maybe a the type 2'ers at much better than the civ 3 people at like a noteworthy skill or aspect, but the level 3'ers of course being so, so much more far advanced, what with having the entire planet system harvested, when so surely the 2'ers only control one star.
Please strike me up on this what could be an ever fading dividing line there.
4 posts and 1 images omitted. Click View Thread to read.
>>
Jacob Kapteyn - Sun, 29 Dec 2019 16:35:19 EST 7HuTlPCo No.57945 Reply
>>57915
I had a bit of a shower thought on this the other day.

It strikes me that no one would use the entire output of a thing. I mean maybe a star but planets and galaxies have differing returns on different chunks. If you have the ability to harvest the entire power of a planet I can't see how you'd be unable to instead just get the bits with decent returns and then harvest other bits. If you need the entire planet the odds are you are about to need more. So you'll need multiple planets. So why not start a bit earlier and get the easiest/highest yield bits then move on? Get 80% with 20% of the effort or whatever the particulars are.

A type 1 or 2 or 3 civilisation isn't a civilisation that consumes the entire power output but merely one that could and/or consumes the equivalent.

It's a subtle difference but I think it's more they could than they do. By the time you need to use every planet in the galaxy if you can't reach further shit is about to get fucked up.
>>
ON 'THE OFF' SMITH !8NBuQ4l6uQ - Fri, 10 Apr 2020 13:31:35 EST gskNGeFw No.58044 Reply
1586539895541.jpg -(20032B / 19.56KB, 564x423) Thumbnail displayed, click image for full size.
This is a particularly insightful glance at what it could come up to.

I mean, the space aliens would have to have some of the rocks in space
being a completely dull ones of energising their space shuttles, So
that'd always keep them away from the one hundred percent up-using.
>>
Riccardo Giacconi - Mon, 13 Apr 2020 13:05:41 EST Y5FPmIuT No.58046 Reply
>>58044
What the fuck are you trying to say
Stick to making shitty pipes dude

spass

View Thread Reply
- Wed, 01 Apr 2020 20:14:53 EST bHTAKgXq No.58037
File: 1585786493965.jpg -(12498B / 12.21KB, 600x248) Thumbnail displayed, click image for full size. spass
Hello nerds, can you tell me what exiting space projects are going right now, and what upcoming missions are in the pipes?

Thank you!

End of the universe

View Thread Reply
- Thu, 30 Apr 2015 21:22:45 EST ZJgVev/f No.55263
File: 1430443365769.jpg -(9277B / 9.06KB, 306x164) Thumbnail displayed, click image for full size. End of the universe
I know science doesn't care about our feelings, but tell me of any alternate theories other than everything freezing to death or being ripped to shreds that allows something, anything to keep on going and surviving.

Can we eventually develop the technology that allows us to "jump" to a new, younger or possibly truly unending universe with different laws of thermodynamics to carry ourselves on?

Hold me, /sagan/.
19 posts and 2 images omitted. Click View Thread to read.
>>
Joseph von Fraunhofer - Sun, 29 Mar 2020 00:34:37 EST n+7z5RVF No.58032 Reply
>>55263
I like the hypothesis of what might come after universal heat death. If you know anything about Bose-Einstein condensates, you know that matter starts to act really weird when it gets close to 0°K. Groups of atoms and even molecules begin sharing quantum wave functions. Now imagine this on a universal scale. The whole universe and everything in it, whatever that might be, all having a single unified wave function. What might happen then? Given the untold eons of time available (assuming time will even still exist at that point) is is possible that the entire universe might experience some quantum event, say, tunnelling to "somewhere else"?
>>
Ejnar Hertzprung - Sat, 04 Apr 2020 08:48:51 EST IrtaaTPb No.58038 Reply
kek. you guys are replying to a thread from 2015.

>>57831 nice necro

Frightening sound of space and at the same time soothing

View Thread Reply
- Fri, 10 Jan 2020 13:23:33 EST 70mxgl7D No.57955
File: 1578680613397.jpg -(73279B / 71.56KB, 500x333) Thumbnail displayed, click image for full size. Frightening sound of space and at the same time soothing
https://www.youtube.com/watch?time_continue=309&v=lRkPfsLg9Mc&feature=emb_logo
With what program did he create this sound?
1 posts omitted. Click View Thread to read.

Cool shit in our Solar System!

View Thread Reply
- Mon, 22 Jul 2019 14:41:25 EST 51a1lc6j No.57761
File: 1563820885533.jpg -(116780B / 114.04KB, 2000x2000) Thumbnail displayed, click image for full size. Cool shit in our Solar System!
First one is Saturn's Hexagon on its north pole.
Essentially formed because of a turbulent storm near the vortex creating two weird waves that makes hexagons naturally.
45 posts and 37 images omitted. Click View Thread to read.
>>
Vesto Slipher - Sat, 21 Mar 2020 13:37:03 EST 0faxo4BS No.58015 Reply
>>57761

All of you out there are the absolute coolest shit out there.
>>
Joseph von Fraunhofer - Sun, 29 Mar 2020 00:36:13 EST n+7z5RVF No.58033 Reply
>>57761
This picture of Saturn looks like a boob with a weird areola.

jwst

View Thread Reply
- Sat, 14 Mar 2020 05:06:15 EST 1VbhD5eY No.58013
File: 1584176775190.png -(294030B / 287.14KB, 580x441) Thumbnail displayed, click image for full size. jwst
how much longer until JWST launches?
User is currently banned from all boards
>>
Bernard-Ferdinand Lyot - Thu, 19 Mar 2020 10:28:59 EST mh8YYYW3 No.58014 Reply
>>58013
The best answer anyone has is, "however long you think it'll take, it'll be after that."

Earth is Level.

Locked View Thread Reply
- Sat, 27 Jul 2019 20:29:01 EST hcfmzt0R No.57767
File: 1564273741505.png -(803401B / 784.57KB, 960x960) Thumbnail displayed, click image for full size. Earth is Level.
Earth is demonstrably level.

God and Jesus are bullshit.

Be woke.

https://www.circlejerk.com/r/Earth_Is_Level
2 posts and 2 images omitted. Click View Thread to read.
>>
Joseph Taylor Jr. - Sun, 23 Feb 2020 11:53:20 EST PatfY1t6 No.57983 Reply
1582476800169.webm [mp4] -(1601257B / 1.53MB, 720x720) Thumbnail displayed, click image for full size.
>>57767
Mike hughes attempted to build a rocket so he could launch himself in space to prove the earth was flat.

He died, which is pretty fucking hilarious.

To all flat earthers, please follow his footsteps.
>>
John Wheeler - Sun, 23 Feb 2020 16:39:59 EST Vs9Ktpy0 No.57984 Reply
>>57983
>To all flat earthers, please follow his footsteps.
bruh
>>
Bruon Rossi - Sun, 23 Feb 2020 16:58:53 EST wOheI74K No.57985 Reply
>>57983
Remember those quantum experiments where the outcome changes depending on whether its observed or not?
There are some ideas that follow up from that and state that universe itself exists in its current state because there is an active consciousness observing it, and that it can be altered by said observations.

If flat earthers have their way, we'd all be living in fucking star wars, and not even the 'good' kind, the Disney kind, constantly full of retcons, bullshit asspulls, general irrationality and incompetence, as well as hand-waving mary sues destroying everything cuz they magic paladins.

Report Post
Reason
Note
Please be descriptive with report notes,
this helps staff resolve issues quicker.