Flying is impossible, so is timetravel.

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In the 1800s, many believed flight was impossible due to the challenges of physics, yet technological advancements eventually made it a reality. Similarly, while time travel currently seems prohibited by physical laws, some argue that future discoveries in quantum physics could change this perception. The discussion highlights skepticism about time travel, comparing it to past misconceptions about flight, emphasizing that established physics keeps scientific inquiry grounded. Critics of time travel speculation argue that it lacks a basis in current scientific understanding, while proponents suggest that breakthroughs could redefine possibilities. Ultimately, the conversation reflects a tension between skepticism and the potential for future scientific advancements.
  • #51
ZapperZ said:
Oh, so now you're psychic also?
Note that I have never mentioned anything about your age? What does THAT have anything to do with anything?
And you still have no clue when I said that there's a difference between learning physics, and learning ABOUT physics. You got the latter, not the former. This is not physics. All you got was similar to receiving a description through 2nd hand channels about the color "blue" without ever seeing the color itself.
Time travel? Based on our current understanding, there is no such thing. Is it possible ever for human beings? Based on our current understanding, no human can survive such a thing.
I thought this answer was given WAY early in this thread already! Now does this put this idea to rest finally?
Zz.

Age corresponds with knowledge. The older you are, the more you understand. That is why there are different IQ tests for older people .

OK< I'll admit it, I'm stupid. I am a retard. In fact, i am so stupid I am a disgrace tot hi forum because everyone is smarter than me. So I'm not posting here anymore. Have a good day.
 
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  • #52
QuantumTheory said:
Age corresponds with knowledge. The older you are, the more you understand.
Well, aren't we a bit optimistic about the intellectual level of adults here?
Sigh.
(You're excused, you're only 17..)
 
  • #53
arildno said:
Well, aren't we a bit optimistic about the intellectual level of adults here?

optimistic is definitely a nice way of putting it.
 
  • #54
Dear QuantumTheory,

I suggest that if you are truly sincere about learning physics that you enter the discussion with an open mind and prepare yourself for a little criticism. You should learn that if you want to raise a "shakey" topic in front of a highly-esteemed audience when you yourself are still learning, you must anticipate being "smacked-down." In fact, it is the way some people learn. In college, you are encouraged to challenge your professors to arguments only to find that you've been disproven! I suggest that instead of being immature and saying you'll never post here again that you first acknowledge what other people say with an open mind.

PF is a wonderful place for the discussion of science, simply put. As a newcomer to PF, you will find youself unknowing of a lot of the things discussed here, as do a great number of PFers-- it's normal. In essence, you should reconsider not partaking in discussions anymore, if you are truly devoted to science, and learn how to accept criticism without causing difficulty.
 
  • #55
Of course time travel is possible!

I can travel through time! One second at a time...:-p
 
  • #56
Cosmo16 said:
Of course time travel is possible!
I can travel through time! One second at a time...:-p

We've already gone over this joke :wink:
 
  • #57
oops, now you tell me. :blushing:
 
  • #58
z-component said:
Dear QuantumTheory,
I suggest that if you are truly sincere about learning physics that you enter the discussion with an open mind and prepare yourself for a little criticism. You should learn that if you want to raise a "shakey" topic in front of a highly-esteemed audience when you yourself are still learning, you must anticipate being "smacked-down." In fact, it is the way some people learn. In college, you are encouraged to challenge your professors to arguments only to find that you've been disproven! I suggest that instead of being immature and saying you'll never post here again that you first acknowledge what other people say with an open mind.
PF is a wonderful place for the discussion of science, simply put. As a newcomer to PF, you will find youself unknowing of a lot of the things discussed here, as do a great number of PFers-- it's normal. In essence, you should reconsider not partaking in discussions anymore, if you are truly devoted to science, and learn how to accept criticism without causing difficulty.

Thank you , I will take your advice. My mom read one of the responses, adn she agreed I was taking it too seriously, she said there was a lot of good helpful information on it. I guess I overreacted, sorry. But she didnt agree when he said "There's no way you can understand the concepts of algebra." of course i man, I've taken high school algebra, I know how it works, why you have to balance equations, etc. You can't just go through math and memorize it, or you'll never get very far :-p

Alot of people on this forum have different views on science and philophy than me. For example, I find this 'do we exist' thing, in essence, very, very stupid. It's a nice philopsical question, but come on? I have depression and have had serious suicidal thoughts in the past, and honestly, I hate life. It makes things feel very difficult, and I feel like no one likes me. It's like having a constant cloak over you, making everything worse than it actually is. Many people in real life (in fact everyone) tells me I'm smart, it's just people here seem VERY hesitant to due so. Perhaps it's because I'm "wrong" on a lot of counts, and they always try to disprove me. The truth is on anything but science, I'm not "wrong", its just my opininon. ON a second note, if we don't exist, I'll just go kill myself. I mean, why is life worth suffering for if we don't exist? Heck, I don't want to work my whole life for nothing. One person, ultimately, can't make a difference anyway. Also, since religion 'doesn't exist', and evoltuion is always right, why should we live? There's no reason to life. It's a freak accident. really. No one here even believes in 'god designed evolution', heh. Of course, with a condition like the one I have, I really do like to believe I will go to heaven, there is a god, etc, it makes you feel comfortable. This is probably why many people want to believe there's a heaven. Unfortunately, the evidence in the theory of evolution is staggering, while there's no way to prove religion is right.

But one thing I have noticed, 90% of christian people (evenin chatrooms) are the nicest people I've known. Believing in the bible, and being with god, really does make you a good person, of course, there are exceptions, but it seems it can hellp you.

The most someone's said about my intelligence is, "You're fine." What is that supposed to mean? My IQ is below average, I'm worthless. Admit it.
 
  • #59
QuantumTheory said:
Thank you , I will take your advice. My mom read one of the responses, adn she agreed I was taking it too seriously, she said there was a lot of good helpful information on it. I guess I overreacted, sorry. But she didnt agree when he said "There's no way you can understand the concepts of algebra." of course i man, I've taken high school algebra, I know how it works, why you have to balance equations, etc. You can't just go through math and memorize it, or you'll never get very far :-p

I assume that you are referring to a comment I made in the IQ thread. I did not say "there's no way you can understand the concepts of algebra." Read my post again. I said there is no way you would be able to understand Calculus. I also told you that it was not your fault and that you should not feel bad -- you just don't have the background yet.

How do I know that you don't have an adequate algebra background? You made a post in the Academic section telling us that you do not know how to factor. Factoring is not advanced algebra like you seem to think. It is a fundamental topic learned in beginning algebra.

Read my post in the IQ thread over again a few times.

QuantumTheory said:
The most someone's said about my intelligence is, "You're fine." What is that supposed to mean? My IQ is below average, I'm worthless. Admit it.

PS -- he was trying to tell you this: DO NOT WORRY ABOUT YOUR IQ. DO NOT COMPARE YOURSELF TO OTHER PEOPLE. WORK HARD AND YOU WILL SUCCEED!
 
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  • #60
QuantumTheory said:
Many people in real life (in fact everyone) tells me I'm smart, it's just people here seem VERY hesitant to due so.
Have you seen anyone tell anyone else they're smart here? I've been here since 2003 and have seen such a thing maybe two, or three times.
 
  • #61
zoobyshoe said:
Have you seen anyone tell anyone else they're smart here? I've been here since 2003 and have seen such a thing maybe two, or three times.

oh zooby, you're so smart!

And quantum, I swear I could chart your self-confidence on a sine-wave. It's like first you think you know time travel must be possible despite what physicists say even though they pretty much know the ins and outs of the universe then you say you're worthless and wrong on everything then back to saying 'everyone says I am smart so i must be smart' and right back down to 'my iq is horrible, I am stupid, i want to kill myself'

I'm going to say something that may just be an utter shock to you and blow your mind away... so be prepared! Ready? Here we go. Open up a textbook! Yes! It is that simple! You wan't proven answers? There in paperback! (ok well there not really in paperback because those aren't easy to handle for us) Want to know why people don't think time travel is possible? The answers are out there! Proof and all! It's like you're asking us for a way to convert your hard work into some sort of accepted paper form usable around the country and we're pointing you right to the mint!
 
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  • #62
Pengwuino said:
oh zooby, you're so smart!

And quantum, I swear I could chart your self-confidence on a sine-wave. It's like first you think you know time travel must be possible despite what physicists say even though they pretty much know the ins and outs of the universe then you say you're worthless and wrong on everything then back to saying 'everyone says I am smart so i must be smart' and right back down to 'my iq is horrible, I am stupid, i want to kill myself'

I'm going to say something that may just be an utter shock to you and blow your mind away... so be prepared! Ready? Here we go. Open up a textbook! Yes! It is that simple! You wan't proven answers? There in paperback! (ok well there not really in paperback because those aren't easy to handle for us) Want to know why people don't think time travel is possible? The answers are out there! Proof and all! It's like you're asking us for a way to convert your hard work into some sort of accepted paper form usable around the country and we're pointing you right to the mint!

Mind you, I HAVE. Heh, what's your problem? It doesn't shock me! I've read "A briefer history of time" by Stephen hawkings, as well as his first ones. He does say it is theortically possible, and we will never know because there is no way to know if we have met a time traveller.

Most scientist believe it may be theortically possible, but it is not pratical.
 
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  • #63
QuantumTheory said:
Mind you, I HAVE. Heh, what's your problem? It doesn't shock me! I've read "A briefer history of time" by Stephen hawkings, as well as his first ones. He does say it is theortically possible, and we will never know because there is no way to know if we have met a time traveller.

Most scientist believe it may be theortically possible, but it is not pratical.

That is not by any means a textbook as far as I can remember. And no, most physicists do not believe it is possible, have you not taken in anything anyone has told you in this thread?
 
  • #64
Pengwuino said:
That is not by any means a textbook as far as I can remember. And no, most physicists do not believe it is possible, have you not taken in anything anyone has told you in this thread?

HELLO? Do you NOT UNDERSTAND I said STephen hawking wrote it?? Are you trying to prove, this man, a genius, one of the best scientist of all time, is wrong??

What the heck? Do you believe because it WASNT FULL OF EQUATIONS, it's wrong?

I also JUST TOLD YOU, it is probably THEORTICLALY POSSIBLE, general relativity allows it. But it is NOT PRACTICAL. Do you understand? FOr the love of god, just spare me from this torture. You people are ridiculous.

Here, I'll say it:
I AM WRONG WITH EVERYTHING I SAY
YOU PEOPLE ARE ALWAYS RIGHT (Which means when I do state my opinion, whether it be right or wrong, I will ONLY get critism, and not constructive critism either)
THIS IS *DEFINITELY* NOT THE NICEST FORUM. Here, I'll define the word for you, since you people are sooooo stubborn:
Indisputable; certain: a definite victory.
Yes, you sure do like 'victories' don't you? In your little mind, a victory is when you try to disprove, flame, harass, and otherwise insult a 17 year old. Grow up, get a life (Yes, I said that. I have a life, quitting this forum, and doing something in the real world, unlike you, who spend all your time on a stupid forum.) learn physics or something. Read a book, like I do.

Go ahead, 'warn me ' again for speaking in another language. Whooooaah. That's amazing, I can't speak in japanese (something nice) but other people can speak chinese or latin and get in no trouble.

Honestly, I don't care. You can go ahead and say I'm arrogant, whatever, I am just PISSED OFF of you stupid, arrogant, egostitical people. Sure, I've gotten lots of GREAT ADVICE in the past, and GREAT consructive critims (Which is wonderful, I like it) but WAYYYYYYYYYYYYYYYY too much crap, and harassment. I can play complex music by ear? What do I get? "You're not talented, ANYONE can do this." This is complete bullcrap. Not everyone can do this! When I ask for advice, what do I get ? "You belong in a remedial high school at best." That's a high school for DUMMIES, IDIOTS you people! You think I'm an iidiot? I doubt an idiot would be interestd in tihs forum, even.


Here's the word stubborn for you:
Characterized by perseverance; persistent.

Yes, you are so persistant, that you are driving me nuts, crazy. I don't ned you people. In fact, get this, people on the playstation forum (Yes, most people there are only in middle school) are more MATURE than you sick minded people. That is sad. Yes, I know this is a flat out insult, etc, but you've done this to me MANY times, and I've tried to explain this to you many times (and others) in a rational, reasonable way. In fact, my mom has even written posts for me, yet I was still critized, very unfairly. This is not to say I won't receive critism, or harassment, of course I will. I UNDERSTAND THIS. But I shouldn't receieve harassment, insultment, this much.


And now, some japaense, since I CANNOT SPEAK A FOREIGN LANGUAGE HERE MR.MENTOR WHO DOESNT LIKE TO TELL ME WHY I CAN'T, AND DOESN'T STAte it in the GUIDELINES EITHER.

watashi wa wakarimasen. Yes, that is "I don't understand." Why? "Shirimasen." I DONT KNOW.

I shouldn't have to understand you people, you may be smart, but there are different levels of smart. 90% of you people are smart one way; analyitcal. You know alota bout philopshy, science, etc. But when it comes to people, you treat them like crap, at least me, and many others. Surely, you aren't smart.


I should also mention the ridiculous rules ont his forum:
1) If I post in the wrong topic, I get warned, which eventually means banned
2) If I use all caps, at all, You get warned
3) If I speak in another language, albeit it nice or not, I get warned. (Others dont)
4) The list goes on and on

Ludacris.
 
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  • #65
Relax and stop being so dramatic?
There have been plenty of people who have been nice to you and you only focus on the people who haven't been so nice or you believe haven't been so nice. It happens, get over it. Converse with the nice people and quite allowing others to goad you or just take it elsewhere.
 
  • #66
TheStatutoryApe said:
Relax and stop being so dramatic?
There have been plenty of people who have been nice to you and you only focus on the people who haven't been so nice or you believe haven't been so nice. It happens, get over it. Converse with the nice people and quite allowing others to goad you or just take it elsewhere.


Sorry, i just couldn't handle it anymore. My mom also agrees with me, as well as my dad and everyone else. There has been many heplful people (I just mentioned this), and YOU, my friend, are indeed very helpful. I appreciate your help!

I will just Shut the hell up, and go study my algebra story book. I don't need this forum.
 
  • #67
QuantumTheory said:
Grow up, get a life. (Yes, I said that. I have a life, quitting this forum, and doing something in the real world, unlike you, who spend all your time on a stupid forum.) Learn physics or something. Read a book, like I do.

Well. That's cute.
 
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