Idea Definition and 803 Threads
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High School What are some good formulas for a c.at@pu.It project in physics class?
because in phys!.cs class, our project is to build a c.at@pu.It (to protect from any search). so i need any ideas that can help me become successful in this project and also bring my grade up. it's competition with the entire class, also. what are some good formulas that are a go with the...- TuRbOxChAz
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- Idea Project
- Replies: 1
- Forum: Other Physics Topics
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Free energy: please chew and digest idea
free energy: please "chew and digest" idea Hi, I am new to this board.. but I've read enough about the nut-theories pertaining to "Vacuum energy", macro-quantum teleportation, and many out there ideas.. I do have an idea, that does pertain to "free energy", but before I am debunked.. let's...- The Amazing Idiot
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- Energy Free energy Idea
- Replies: 6
- Forum: Computing and Technology
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Revolutionizing Jet Engine Design: A New Idea to Increase Efficiency?
What do you think of this?. I was a brainwave when I sat on the toilet :smile: . A typical jet engine compresses the air when it comes into the compressor, burns it with fuel, and expands it in the turbine. Approximating there is no difference of static pressure between the entrance and the...- Clausius2
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- Engine Idea Jet Jet engine
- Replies: 9
- Forum: Aerospace Engineering
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Graduate Can Matter be Created from Nothing? - Adam's Anti-Gravity Idea
hi just tinkering around with the idea of anti-gravity and i think i came up with something disproving it's possible, i can't explain right now (homeowrk) but i need to know if anyone has any ideas on how to break einsteins theory that matter cannot be created or destroyed. is there any way to...- Arsonade
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- Anti-gravity Idea
- Replies: 31
- Forum: Other Physics Topics
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Undergrad Just a weird idea, friction-less materials
I just wondered, that our view of how the universe is is ussually WRONG. We've made zero-viscosity fluids, materials with no electrical resistance, and just all together "non-sense" things. Is anyone willing to suggest then that there are materials that do not provide friction(when...- Silverious
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- Idea Materials Weird
- Replies: 1
- Forum: Atomic and Condensed Matter
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Graduate What is the idea behind the string theories?
hello, from sometime in past i was in contact of the string theories. But one thing that clicked in my mind that how does the physicst started the idea of the string theories (all of them) like Newton formulated the law of gravitational force after he observed the motion of the moon...- aekanshchumber
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- Idea String Theories
- Replies: 3
- Forum: Beyond the Standard Models
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Undergrad Can High Powers Revolutionize Data Compression Techniques?
I was reading the science fiction story "the gold at the starbow's end" by poul anderson (I think) which contains an idea for data compression. Poul Anderson suggested that a large number be compressed to the sum or difference of a few high powers of numbers. In the story it was something like...- Bartholomew
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- Compression Data Idea
- Replies: 18
- Forum: General Math
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News Someone versed in economics explain what's wrong with this idea please.
I was discussing why I think the minimum wage should be raised with someone, and I came to this conclusion. I think the minimum wage should be raised, but not universally. I think that there's no problem with paying teenagers a small wage, considering their parents are paying for most everything...- wasteofo2
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- Economics Explain Idea
- Replies: 29
- Forum: General Discussion
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Graduate Finding Total Area of Intersecting Planes
hello grp... is there any algorithm of findin the total area of an intersecting plane. i have tried with set theory if a n b r two planes, area(a)+Area(b)-Area(a intersection b) but it takes such a long computation when u go on adding planes to the existing ones. I want to have something...- nash_81
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- Idea
- Replies: 5
- Forum: Differential Geometry
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Graduate Smolin's 1995 Landscape of Physical Law idea
It's interesting that Lee Smolin used the idea of an evolutionary Landscape of physical law back in 1995 http://arxiv.org/gr-qc/9505022 We just had that young quantum gravity researcher Leonardo Modesto at Marseille remove the Black Hole singularity so that spacetime extends thru the...- marcus
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- Idea Law Physical
- Replies: 56
- Forum: Beyond the Standard Models
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Graduate Is Hawking’s new idea on Black Hole original or adopted?
Dear lovers of Physics Forum, Hawking’s statement on his new theory of Black Hole, which he delivered at the 17th International Conference on General Relativity and Gravitation in Dublin, Ireland on Wednesday the 21st July 2004 stunned the world when he admitted his mistake which he had been...- shashi
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- Black hole Hole Idea
- Replies: 14
- Forum: Astronomy and Astrophysics
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High School What Are the Properties of a Point and a Line?
Hello everybody, Between two points on a line there are infinitely many points. Reason: A point have no dimension(no width,length or height) Do you have another idea ?- Didd
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- Idea
- Replies: 21
- Forum: General Math
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Undergrad What Are the Top Resources for Science and Space Travel Exploration?
Book and site recommendations? Please post links to everything you know about space travel, quantum mechanics, theoretical physics of all kinds, rocket science, classical physics, psychology, computer science, geology, chemistry, parapsychology, and marine biology. Be sure to include not only...- Esran
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- Idea
- Replies: 8
- Forum: Other Physics Topics
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High School What C/C++ Programming Project Ideas Relate to Physics?
Hi! I need to make a project in C/C++ for next year. I thought it would be nice if it will relates to physics. Right now, my only ideas are a virtual physics lab or a billiard game. Do you have any ideas/tips for me? Thanks, Or Ozery- Or Ozery
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- Idea Programming Project
- Replies: 2
- Forum: Other Physics Topics
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Graduate Is Negative Mass the Key to Understanding Exotic Matter and Antigravity?
Strange idea for exotic matter / antigravity I have spent quite some time on an idea I'd like to present here. Before I start, I'd like to make some points clear (due to some reactions I witnessed on other threads): 1. This theory has not been tested in any way, so I'm not trying to present...- Muddler
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- Idea Matter Strange
- Replies: 33
- Forum: Beyond the Standard Models
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Graduate Is Cold Fusion a Feasible Energy Source or a Dangerous Concept?
Over the past year, I've evaluated my own research and observations and matched them up with some statements from a pair of friends. One worked on a nuclear sub, and the other worked on an aircraft carrier. Both worked in the nuclear engine rooms. As I've been refining the concept of...- shintashi
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- Cold Fusion Idea Stupid
- Replies: 15
- Forum: High Energy, Nuclear, Particle Physics
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Undergrad Advancing Physics: Is It a Good Idea?
Can I get an opinion on whether it is a good idea to go ahead in my physics courses? My idea was to cover material that I will be studing next simester...considering I have taken the prerequist math class.- Alem2000
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- Idea Physics
- Replies: 10
- Forum: Other Physics Topics
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Are Alternate Realities Just a Result of Our Choices?
It's called alternate realities. I think alternate realities are a bunch of fun. As I understand it, an alternate reality could, theoretically, be created when there is a choice. Like right now I could choose to post this, or I could choose not to. And as I understand alternate realities, it's...- NiBu
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- Idea
- Replies: 12
- Forum: Beyond the Standard Models
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Graduate Structure of Matter/Energy Crazy Idea
If particles of energy and matter can be described as spherical standing waves, vibrations emerging out of of the vacuum itself, the equivalence of inertial mass and gravitational mass could be easily explained? (<-(<-(P)->)->) and (->(->(P)<-)<-) becomes (<-(->(P)<-)->) A particle is...- PFanalog57
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- Idea Structure
- Replies: 37
- Forum: Beyond the Standard Models
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Idea of powerlines kind of dated?
I been thinking... isn't the idea of powerlines kind of dated? I mean... Tesla did propose this idea of wireless power transmition like ages ago... Yet, today, we are using the same stuff they were using ages ago, nothing new... And, of course, wasting 1/3 of our nation's power plants to make up...- Ebolamonk3y
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- Idea
- Replies: 4
- Forum: Electrical Engineering
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Graduate What is the Purpose of Topology in Mathematics?
I have an idea of what topology is but I am clueless as to what applications it has? Anybody have any idea what topology is used for?- FulhamFan3
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- Idea Topology
- Replies: 3
- Forum: Topology and Analysis
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Undergrad What are some interesting topics for a calculus paper?
Help. i have to write a paper for my calc class and i have no idea what to write about. i was going to write it on fracture mechanics of different materials but that just got too boring. any ideas? it just has to use calc somehow. i know it should be really easy to pick a topic but i am just... -
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Could someone give me an idea for a proof of this
Let f ( x ) = {0, if x = 1/n for some natural number n or 1, otherwise Note: Natural number would refer to the set of positive integers Z+ that is 1,2,3,... Prove that this function is integrable on [0,1] and it's integral is 1 Certainly there are an infinite number of dicontinuities...- stunner5000pt
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- Idea Proof
- Replies: 5
- Forum: Introductory Physics Homework Help
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Graduate Extended idea of diffeomorphism
Rovelli has introduced an extended idea of diffeomorphism which is smooth except at a finite number of points. The group of extended (or 'almost smooth') diffeomorphisms plays a role in the Fairbairn/Rovelli paper that just came out and also in the key chapter 6 of the new book "Quantum...- marcus
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- Diffeomorphism Idea
- Replies: 68
- Forum: Beyond the Standard Models
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Graduate Woit's idea of a Better Holy Grail
-----quote from Woit, March 19 blog---- The Holy Grail of Physics It's pretty common these days for people to refer to successfully quantizing general relativity as "the Holy Grail of Physics", but it seems to me that there is a different problem that better deserves this name: "Why...- marcus
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- Idea
- Replies: 2
- Forum: Beyond the Standard Models
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Undergrad Elemental half-life: novel idea?
I was wondering if there were any known solid elements, natural or synthetic, which radioactively decay into a gas. It would be cool to watch a block of it become more and more sponge-like, and therefore less dense, as it decayed - structurally crumbling until finally no solid could be...- zforgetaboutit
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- Half-life Idea Novel
- Replies: 3
- Forum: Atomic and Condensed Matter
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Am I Understanding the Basic Theory of Evolution Correctly?
Don't know if this belongs in Social Sciences or here, so I apologize if it is in the wrong category. I need someone to tell me about the basic theory of evolution. I remember learning it during the 7th grade, and now I have a bunch of names and facts jumbled in my head. As far as I...- Dagenais
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- Idea
- Replies: 15
- Forum: Earth Sciences
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Graduate He wrote a book called Geons, Black Holes, and Quantum Foam: A Life in Physics
Everyone keeps discussing some forms of the big bang models for the creation of the universe, however upon reading hawkings The theory of everything, he discussed many models for the creation of the universe. One, that i found particularlly interesting was the idea of the No-Boundary Universe...- Tom McCurdy
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- Boundary Idea Universe
- Replies: 10
- Forum: Cosmology
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Graduate Another idea for observing dark energy
http://arxiv.org./abs/gr-qc/0402066 these people (at U British Columbia) study an idea for observing the effect of the cosmological constant (dark energy, negative pressure...) on the spectrum of Xrays coming from a black hole their conclusion is disappointing, the test they study...- marcus
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- Dark energy Energy Idea
- Replies: 1
- Forum: Astronomy and Astrophysics
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Seeding the atmosphere with aluminum oxide: A good idea?
Let's assume for the moment that beyond any doubt, global warming is real. Does this offer a viable solution to reduce global warming? Could this create another environmental disaster by loading the biosphere with aluminum oxide [apparently the preferred choice to be used in jet fuel]. The...- Ivan Seeking
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- Aluminum Atmosphere Idea
- Replies: 3
- Forum: Chemistry
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Kissing Electric Shocks, No Idea Whats Causing It
I just don't get it, I've noticed that over the last three days when my girlfriend and I kiss we both get a nasty electric shock, and a crack sound can be heard, its driving us crazy, I've tried wearing different clothes, different shoes, having a shower and bath, touching metal objects, nothing...- Superfly108
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- Electric Idea No idea
- Replies: 13
- Forum: Electromagnetism
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Idea concerning the direction of science.
Imagine you are a computer programmer, and you have knowledge of the theory of everything and decide to put this equation into the computer to find out the most efficient way of living your life in opulent splendour. You plug in the equation and the compuet scans the surroundings and plots...- the_truth
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- Direction Idea Science
- Replies: 2
- Forum: General Discussion
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Here's an interesting idea on predestination.
Here's an interesting idea I had today. Not trying to say it's true necessarily, just found it interesting and thought I should post it. It's adapted from an msn conversation (heh), so the style is probably a tad odd. :) We may be destined to live, but if we're stupid and make a choice...- Sikz
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- Idea Interesting
- Replies: 9
- Forum: General Discussion
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Graduate Smolin contributes idea about testing String
This just out: http://arxiv.org/hep-th/0401087 Joao Magueijo <j.magueijo@ic.ac.uk> Lee Smolin "String theories with deformed energy momentum relations, and a possible non-tachyonic bosonic string" Smolin is one of the inventors of Loop gravity but also has authored and co-authored a...- marcus
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- Idea String Testing
- Replies: 8
- Forum: Beyond the Standard Models
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Stargazing Revolutionizing Telescope Technology: The Potential of Analog Nano-Tech Mirrors
Some may be aware that 10 years ago or so, Texas Instruments began manufacturing a display device using nano-technology. It consists of a two dimensional array of mirrors. Each mirror can be actuated to lie at a different angle. It is strictly a binary device; a mirror is at one or the other...- GENIERE
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- Idea Telescope
- Replies: 1
- Forum: Astronomy and Astrophysics
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What would be your idea of a DREAM vacation?
My first choice, for pure relaxation and scenery, would be Tahiti. Otherwise, I would really like to tour England. Can't afford it though.- timejim
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- Idea
- Replies: 13
- Forum: General Discussion
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Is a Quantum Universe Computer Possible?
Me and my other school friend have developed an idea for the perfect computer. It is not practical at this point in technology, and has some far fetched ideas. We were wondering if this could even be remotely possible. Plz Post comments. Ok, here is the computer. First, the computers mobo...- TARSIER
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- Computer Idea
- Replies: 4
- Forum: Computing and Technology
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Einstein's E=mc2 'was Italian's idea'?
Is this true? Einstein's E=mc2 'was Italian's idea' Rory Carroll in Rome Thursday November 11, 1999 The Guardian The mathematical equation that ushered in the atomic age was discovered by an unknown Italian dilettante two years before Albert Einstein used it in developing the theory of...- Carlos Hernandez
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- E=mc2 Idea
- Replies: 7
- Forum: Special and General Relativity
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Graduate Opinions on the idea of rishons
I would like some opinions on the idea of rishons (Harari and Seidberg) please. Am I correct that this idea groups all sub-atomic particles in bunches of three? If so, wouldn't this come into conflict with the idea of mesons?- Adam
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- Idea Opinions
- Replies: 1
- Forum: High Energy, Nuclear, Particle Physics
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Who came up with the term 'multiverse'?
Anyone know just who (and when?) came up with the term 'multiverse' to describe the parallel or multiple universe theories? thanks.- madcat11
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- Idea Multiverse
- Replies: 3
- Forum: Astronomy and Astrophysics
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An idea on dreams and their function (more)
I know that this is a subject of much debate among the fields of metaphysics, general philosophy, neuroscience, psychology, etc. Today I came up with an idea, I'm really not sure if others have, unbeknownst to me, thought of the same previously, or if I have come up with a new possibility. In...- Sikz
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- Dreams Function Idea
- Replies: 1
- Forum: Biology and Medical
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Waves - I just need to confirm an idea
Hello everyone! I've got a question from the book "Fundamentals of Physics/Halliday, Resnick, Walker" - 6th ed, page 395, #23P. A uniform rope of mass m and length L hangs from a ceiling. (a) Show that the speed of a transverse wave on the rope is a function of y, the distance from the...- DivGradCurl
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- Idea Waves
- Replies: 1
- Forum: Introductory Physics Homework Help
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Graduate Can a Pulsed Plasma Laser Be Created Using Existing Laser Components?
if i used existing laser focusing tube, with lens and everything, and i drill two holes inside a tube, parallel to each other with conductors inside them so they make a spark gap, and discharge 320 kV inside it, would light that is emitted from air plasma be sufficient to make nice beam? few...- zare
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- Idea Laser Plasma
- Replies: 9
- Forum: Optics
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Weird Idea: Global Communication Without EM Waves
A Weird Idea Greetings. I have this idea, i know it is not really good (i already realized some of its weakness), but i thought i will put it here, since i believe that as it gets discussed (if it will) i might learn sth new. Ok, my idea is like a new way to make world-wide communication...- STAii
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- Communication Em Em waves Global Idea Waves Weird
- Replies: 3
- Forum: Electrical Engineering
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Is Predicting the Future Possible and How Would it Affect Our Actions?
Know what I figured out(?)... Since the old days man learned to consider his action...I'ts very evolutionary gaining... I can easily see how that would evolve into pre-sight already I can see some in myself...(small things like "what will happen today" "maybe this" "oh I was right"...) Now...- Laevus
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- Idea
- Replies: 6
- Forum: Science Fiction and Fantasy Media
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What is the best Sci-Fi idea that you have encountered?
From any source, what are the most interesting ideas that you have read or seen in Sci-Fi? Of course, not to give away the plot for those who may see or read what is referenced. I just saw one that was cool on Gattica [spelling?]. Genetically engineered piano players have 12 fingers. Music is...- Ivan Seeking
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- Idea Sci-fi
- Replies: 7
- Forum: Science Fiction and Fantasy Media
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Graduate Uncovering the Origins of the Universe: Insights from the Big Bang Singularity
just an idea... i thought about something today the information of the universe has been also in the singularity of the big bang from this we can deduct that we know what was in the singularity. what do you think?- MathematicalPhysicist
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- Idea
- Replies: 11
- Forum: Astronomy and Astrophysics
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Graduate Are the people encountered in time travel the same as in the present?
now let's say time is relative (which it is, from einstein), now that's implies the next thing: when someone is going back in time he's going through his own time frame while the others are in their own time frames are not affected by it (because if the other choice was correct that will assume...- MathematicalPhysicist
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- Idea Time
- Replies: 4
- Forum: Special and General Relativity
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Can a powerful capacitor be used to create a flying machine?
A couple of days ago while i was thinking about several stuff an idea came to me. Here goes. Imagine you have a really powerfull capacitor that has enough power to accelerate an electron to the speed of light, when the electron is put to the negative plate. The electron would never reach the...- DrStrange
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- Idea Machine
- Replies: 1
- Forum: Computing and Technology
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High School Creating a Low-Cost EMP Device: A School Project Idea
This is Somewhat Physics and somewhat technology question but I thought I would ask anyways. I am thinking of making a small EMP device for a School project. However I have afew questions, first would have to be, has anyone else seen a project like this done or attempted before? Also I wanted to...- Greywolf
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- Idea Project
- Replies: 9
- Forum: Other Physics Topics