Search found 930 matches

by jewish_scientist
Sun Jul 15, 2018 6:09 pm UTC
Forum: Science
Topic: Cooling gas by expansion
Replies: 17
Views: 1648

Re: Cooling gas by expansion

If you are writing a story and want stealthy propulsion you should check out this thread . The idea is really straight forward and simple. Thrust is generated the exact same way as a chemical rocket, but the atoms are replaced with neutrinos. All that is required [I think] is a nuclear generator and...
by jewish_scientist
Sun Jul 15, 2018 5:44 pm UTC
Forum: Language/Linguistics
Topic: Oxford comma query
Replies: 26
Views: 5215

Re: Oxford comma query

Just use powerpoint with bullet points. The survivors [ included picture ] thanked: * Their rescuers [ woosh from the left] * The Olympian gods [ woosh from the right] - [nested bullet] Also their shield bearers! [Blink Blink] One day, I would like to stand up at the front of a classroom and explai...
by jewish_scientist
Thu Jun 14, 2018 12:09 pm UTC
Forum: News & Articles
Topic: The Thread To Remind Me We're Living In The Future
Replies: 1798
Views: 285117

Re: The Thread To Remind Me We're Living In The Future

Reviver Auto says the company never shares data "with the DMV, law enforcement , or any other third party," and says users can turn off location data at any time. This is false. There is no maybe or some gray area; this statement is false. Reviver Auto will have to share data with law enf...
by jewish_scientist
Tue May 22, 2018 3:00 am UTC
Forum: News & Articles
Topic: Judea Pearl's Critism of Machine Learning
Replies: 11
Views: 1988

Judea Pearl's Critism of Machine Learning

I read this really interesting article on how Judea Peral sees current AI research is stuck. Advancements have all been in "curve fitting", interpreting data to find the most probable cause. He sees this as distinct from causal reasoning. The big difference, as he describes it, is that cur...
by jewish_scientist
Wed May 09, 2018 3:06 pm UTC
Forum: Computer Science
Topic: Formally, What is P and NP?
Replies: 18
Views: 4219

Re: Formally, What is P and NP?

Thank you all for helping me understand the machine definition of the N = NP problem. Can we now discuss the verifier definition?
by jewish_scientist
Wed May 09, 2018 3:01 pm UTC
Forum: News & Articles
Topic: Police misbehavior thread
Replies: 6248
Views: 901273

Re: Police misbehavior thread

Ah, I see now. I think that the most (not all) cases of unarmed minorities being shot by police are the result of unconscious racism and that the most pragmatic solution to this is mandatory training designed to help officers overcome their biases. The reason I pointed out the improper handling of f...
by jewish_scientist
Wed May 09, 2018 2:47 pm UTC
Forum: News & Articles
Topic: Police misbehavior thread
Replies: 6248
Views: 901273

Re: Police misbehavior thread

Zohar wrote:Yes, that is certainly the most critical issue the police needs to face, and the most glaring lesson from this incident. You are not helping your case.

I am a little confused by this, particularly the underlined part. Can you please explain yourself again? Thank you.
by jewish_scientist
Wed May 09, 2018 2:43 pm UTC
Forum: Mathematics
Topic: Name of Rounded Triangle
Replies: 8
Views: 2230

Re: Name of Rounded Triangle

And it occurred to me that while the Reuleaux triangle is not a degenerate example of the shape we're interested in, a standard triangle is : it's the result if the length of the loop of string is equal to the perimeter of the triangle you've looped the string around. :lol: Yeah, it is. I never tho...
by jewish_scientist
Wed May 09, 2018 2:22 pm UTC
Forum: News & Articles
Topic: Police misbehavior thread
Replies: 6248
Views: 901273

Re: Police misbehavior thread

Zohar wrote:And once again what you find appalling about a police misbehavior incident as the inefficiency in killing people of color. Wonderful.

What I find appalling is the blatant disregard for safety standards any course in proper firearm use would emphasis.
by jewish_scientist
Wed May 09, 2018 12:58 pm UTC
Forum: News & Articles
Topic: Trump presidency
Replies: 6177
Views: 465080

Re: Trump presidency

Here is my prediction of what will happen: 0) Trump said he is going to impose sanctions on anyone who trades with Iran. 1) The majority of Trump's advisors completely freak out. 2) Other countries with powerful economies, including several that are also are allies, will continue to trade with Iran....
by jewish_scientist
Wed May 09, 2018 12:38 pm UTC
Forum: News & Articles
Topic: In other news... (humorous news items)
Replies: 14720
Views: 2249116

Re: In other news... (humorous news items)

Went to fact check this and couldn't find evidence of it actually being true. Still great though. Mythbusters disproved this. Mythbusters is to science what CSI:Miami is to forensic entomology. It is your ad hominem verses 2 experiments done in a NASA facility and 1 done by skydiving. I know who I ...
by jewish_scientist
Mon May 07, 2018 3:43 pm UTC
Forum: News & Articles
Topic: Police misbehavior thread
Replies: 6248
Views: 901273

Re: Police misbehavior thread

My favorite part is when he struggles to to pull a gun out of his pocket. If the dangerous candy thief was armed and wearing a holster, he would have had plenty of time to draw his weapon and shoot. Carrying a gun in your pocket is a fatal accident waiting to happen.
by jewish_scientist
Mon May 07, 2018 3:32 pm UTC
Forum: School
Topic: Review my Paper
Replies: 4
Views: 1280

Review my Paper

This is a paper I passed in for my social ethics class and I was wondering what you guys thought about it. First some background: Warren wrote this essay arguing that all abortions are moral do to a fetus not being a person. My assignment was to summarize her position, offer criticism, and then pres...
by jewish_scientist
Mon May 07, 2018 12:52 pm UTC
Forum: News & Articles
Topic: Police misbehavior thread
Replies: 6248
Views: 901273

Re: Police misbehavior thread

You see, there was no evidence that they did not have a gun, therefore it is safe to assume he is carrying an assault weapon and is willing to use it in order to get his candy.
by jewish_scientist
Mon May 07, 2018 12:34 pm UTC
Forum: News & Articles
Topic: In other news... (humorous news items)
Replies: 14720
Views: 2249116

Re: In other news... (humorous news items)

heuristically_alone wrote:Went to fact check this and couldn't find evidence of it actually being true. Still great though.

Mythbusters disproved this.

Which country is missing?

North Korea
South Korea
Taiwan

I am guessing the BBC is not on friendly terms with China.
by jewish_scientist
Mon May 07, 2018 12:27 pm UTC
Forum: Science
Topic: neutrino question
Replies: 18
Views: 1704

Re: neutrino question

I saw the word "superposition" there, is it perhaps a quantum weirdness thing... You know how Schoniger's cat is dead and alive at the same time? The word for that is superposition. Though as Schrodinger* died in 1961, and cats don't often live much beyond a decade, maybe two, I think we ...
by jewish_scientist
Mon May 07, 2018 12:26 pm UTC
Forum: Science
Topic: Relative Light Speed
Replies: 15
Views: 2157

Re: Relative Light Speed

Say you have a room 20m long, with two perfectly reflective mirrors facing each other. Now say that this room is travelling at 50% of c down it's long axis. Then the question is, how fast is a photon bouncing between the mirrors? Is it travelling at c relative to the room, or is it travelling at c ...
by jewish_scientist
Fri May 04, 2018 3:51 pm UTC
Forum: Science
Topic: neutrino question
Replies: 18
Views: 1704

Re: neutrino question

p1t1o wrote:I saw the word "superposition" there, is it perhaps a quantum weirdness thing...

You know how Schoniger's cat is dead and alive at the same time? The word for that is superposition.
by jewish_scientist
Fri May 04, 2018 3:47 pm UTC
Forum: Science
Topic: Quick Burning Paper
Replies: 47
Views: 3593

Re: Quick Burning Paper

Soupspoon wrote:Can I interest you in this frozen block of FOOF instead?

I have never said no to that question.
by jewish_scientist
Fri May 04, 2018 12:36 pm UTC
Forum: Computer Science
Topic: Formally, What is P and NP?
Replies: 18
Views: 4219

Re: Formally, What is P and NP?

If P is a set of the puzzles that a deterministic Turning machine can solve in polynomial time and NP is a set of the puzzles that a non-deterministic Turning machine can solve in polynomial time, then P ⊂ NP.
by jewish_scientist
Fri May 04, 2018 12:26 pm UTC
Forum: Science
Topic: Quick Burning Paper
Replies: 47
Views: 3593

Re: Quick Burning Paper

Flash paper (nitrocellulose) burns cleanly without leaving behind traces of the text. I've seen it recommended for key storage that can be quickly destroyed if your door is busted down by government agents, to be used in combination with a hand cipher like Solitaire. Flash paper is the same things ...
by jewish_scientist
Wed May 02, 2018 3:21 pm UTC
Forum: Computer Science
Topic: Formally, What is P and NP?
Replies: 18
Views: 4219

Re: Formally, What is P and NP?

Is this true: If I find the truth value of that really long statement I gave, then I have solved P = NP according to the machine definition of P = NP.

If so, can we talk about the verifier definition of P = NP?
by jewish_scientist
Wed May 02, 2018 3:09 pm UTC
Forum: Science
Topic: Quick Burning Paper
Replies: 47
Views: 3593

Re: Quick Burning Paper

I think that any cryptographic approach to secrecy is going to be vastly superior to an option where you have to be physically present to set something on fire. It's probably superior against most attacks, but it has a downside: encryption does not destroy information. Technically , nothing a perso...
by jewish_scientist
Wed May 02, 2018 3:02 pm UTC
Forum: General
Topic: libertarianism, socialism and other wonderful but clearly off-topic matters
Replies: 98
Views: 627

Re: In other news... (humorous news items)

I just realized something huge. Libertarianism is undeveloped Hobbian philosophy. Hobbs said that the reason people in the Natural State will inevitably surrender some rights in order to create a Social Contract is that man's greatest fear is the fear of death; all forms of government eventually ris...
by jewish_scientist
Wed May 02, 2018 2:44 pm UTC
Forum: News & Articles
Topic: Trump presidency
Replies: 6177
Views: 465080

Re: Trump presidency

Over the past twelve months, he has lost at least fifteen pounds, Mr Trump takes 81 mg of aspirin daily and a low dose of a statin . His PSA test score is 0.15 (very low) . His physical strength and stamina are extraordinary . Mr Trump has suffered no form of cancer, has never had a hip, knee or sh...
by jewish_scientist
Wed May 02, 2018 2:16 pm UTC
Forum: Science
Topic: Quick Burning Paper
Replies: 47
Views: 3593

Re: Quick Burning Paper

You might be better off using a dissolving paper , which can dissolve quickly in water or acid... so you can just flush your important documents down the toilet or something and they'll be gone forever. Thats a pretty good idea. Much safer that magnesium-infused flammable material. There is the dow...
by jewish_scientist
Tue May 01, 2018 6:40 pm UTC
Forum: General
Topic: libertarianism, socialism and other wonderful but clearly off-topic matters
Replies: 98
Views: 627

Re: In other news... (humorous news items)

I don’t think they could effectively argue annulment — from Paxton’s statement, it seems like they’re gonna argue that setting the minimum wage is a task that only should fall upon the state legislature, and cities have no right to supplement it, and that mandating sick leave is equivalent to a cha...
by jewish_scientist
Tue May 01, 2018 3:47 pm UTC
Forum: General
Topic: libertarianism, socialism and other wonderful but clearly off-topic matters
Replies: 98
Views: 627

Re: In other news... (humorous news items)

In reality the are libertarians who are not brave enough to openly admit it. They are against a power federal government, because they are against any powerful government. They may have standing in court if the argue that the City Counsel is relying on annulment, which is the idea that small governm...
by jewish_scientist
Tue May 01, 2018 3:16 pm UTC
Forum: Computer Science
Topic: Formally, What is P and NP?
Replies: 18
Views: 4219

Re: Formally, What is P and NP?

Just double checking: If P is a set of the puzzles that a deterministic Turning machine can solve in polynomial time and NP is a set of the puzzles that a non-deterministic Turning machine can solve in polynomial time, then P ⊂ NP.
by jewish_scientist
Tue May 01, 2018 3:03 pm UTC
Forum: Science
Topic: Quick Burning Paper
Replies: 47
Views: 3593

Re: Quick Burning Paper

Messages sent to and between spies generally are intended to be destroyed after reading. But you don't need anything fancy to do that. Regular paper is already flammable enough, or you could just crumple it up and drop it into the ocean. I was thinking more along the lines of the 1979 Iran Hostage ...
by jewish_scientist
Mon Apr 30, 2018 6:53 pm UTC
Forum: Science
Topic: Quick Burning Paper
Replies: 47
Views: 3593

Quick Burning Paper

Imagine you are a researcher dealing with extremely dangerous things. I mean Manhattan Project level. You obviously want to keep all the documents away from the enemies. How would you go about doing this? An idea I had was to make the paper out of gun-cotten . If someone tried to forcible take the p...
by jewish_scientist
Mon Apr 30, 2018 6:29 pm UTC
Forum: News & Articles
Topic: Police misbehavior thread
Replies: 6248
Views: 901273

Re: Police misbehavior thread

I agree. Tying politics and entertainment together results in an unstable system. Each politician has to be funnier than the last. Eventually, all the politician's energy is going into the performances and none goes into doing their job. Obviously, this is when the system comes crashing down. cough ...
by jewish_scientist
Mon Apr 30, 2018 3:48 pm UTC
Forum: News & Articles
Topic: Police misbehavior thread
Replies: 6248
Views: 901273

Re: Police misbehavior thread

Plus the election cycle in the US is just crazy, with politicians having to spend about half their time in office campaigning and becoming beholden to special interest groups as well as having to buy off the electorate with short-term bribes... What really annoys me about the underlined part is tha...
by jewish_scientist
Mon Apr 30, 2018 3:12 pm UTC
Forum: The Help Desk
Topic: Compressing video and photo or I lose my job
Replies: 7
Views: 1374

Re: Compressing video and photo or I lose my job

There is no other computer for me to send the data to. The reason I would lose my job is not so much that there was an IT problem. My job is to make and upload the pictures and videos, so I technically spent 2 days not working while charging my boss. If gets worse if he knows that the majority of co...
by jewish_scientist
Sun Apr 29, 2018 5:52 pm UTC
Forum: The Help Desk
Topic: Compressing video and photo or I lose my job
Replies: 7
Views: 1374

Re: Compressing video and photo or I lose my job

What is a lossy compresser that I can use on Windows?

Is there any other way to significantly increase free memory (already cleaned out temp file and emptied the trashcan)?
by jewish_scientist
Sun Apr 29, 2018 5:02 pm UTC
Forum: The Help Desk
Topic: Compressing video and photo or I lose my job
Replies: 7
Views: 1374

Re: Compressing video and photo or I lose my job

They are from December 2017 to January 2018. Although I do not have permission to use lossy compression and I cannot ask for it, I think it is acceptable.

P.S. Files are .JPG and .MOV
by jewish_scientist
Sun Apr 29, 2018 4:42 pm UTC
Forum: The Help Desk
Topic: Compressing video and photo or I lose my job
Replies: 7
Views: 1374

Compressing video and photo or I lose my job

I am going to make this as short as I can: I need to compress a bunch of videos (~1 GB each) and photos (a few MB each) 143 GB total need to be compressed Computer literally has no memory left (adding new video results in error) I taught myself as much about compression as I could and adjusted the s...
by jewish_scientist
Fri Apr 27, 2018 6:13 pm UTC
Forum: Computer Science
Topic: Formally, What is P and NP?
Replies: 18
Views: 4219

Re: Formally, What is P and NP?

What is being compared?
by jewish_scientist
Fri Apr 27, 2018 2:34 pm UTC
Forum: Mathematics
Topic: Name of Rounded Triangle
Replies: 8
Views: 2230

Name of Rounded Triangle

I read about this shape a little while ago, but I forget what it is called. I do remember how to construct it though. Draw an equilateral triangle on the ground and put a pole at each corner. Now surround the whole thing with a rope that has its ends knotted together. Put a pen inside the rope and m...
by jewish_scientist
Fri Apr 27, 2018 2:11 pm UTC
Forum: Computer Science
Topic: Formally, What is P and NP?
Replies: 18
Views: 4219

Re: Formally, What is P and NP?

The P = NP Problem is to answer the question, "Can a non-deterministic Turning machine solve a puzzle such that a function describing how long it will take the machine to solve the puzzle is not a polynomial?" Iff the answer is yes, then P =/= NP.

Is this correct?

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