Search found 688 matches

by Roĝer
Fri May 10, 2013 5:37 pm UTC
Forum: News & Articles
Topic: Distributed Defense
Replies: 171
Views: 32383

Re: Distributed Defense

The files are already available by magnet link, as pointed out by Rick Falkvinge in this article: http://falkvinge.net/2013/05/10/united- ... fic-files/
by Roĝer
Sat Apr 13, 2013 8:54 pm UTC
Forum: Language/Linguistics
Topic: Should we have only one language? (And other questions)
Replies: 29
Views: 12052

Re: Should we have only one wordy-writey-meaning-conveying-w

I actually had to check if I'd always misunderstood what Esperanto was as I couldn't understand how anyone could have it as their native language. Knowing about 50 native speakers of Esperanto myself, I can assure you that it is very much a possibility. How does one become a native speaker of Esper...
by Roĝer
Wed Apr 03, 2013 11:03 pm UTC
Forum: Language/Linguistics
Topic: Should we have only one language? (And other questions)
Replies: 29
Views: 12052

Re: Should we have only one wordy-writey-meaning-conveying-w

Tide wrote:I actually had to check if I'd always misunderstood what Esperanto was as I couldn't understand how anyone could have it as their native language.


Knowing about 50 native speakers of Esperanto myself, I can assure you that it is very much a possibility.
by Roĝer
Fri Mar 30, 2012 11:20 pm UTC
Forum: General
Topic: Most interesting person to have dinner with...
Replies: 28
Views: 5417

Re: Most interesting person to have dinner with...

Either a famous general/statesman (Bismarck, Napoleon, Genghis Khan) or Richard Feynman.
by Roĝer
Tue Mar 20, 2012 2:34 pm UTC
Forum: Fictional Science
Topic: The great photon disappearence act!
Replies: 14
Views: 6285

Re: The great photon disappearence act!

... random thought, what would happen if the Schwarzschild radius of the observable universe became larger than the observable universe? You'd be in a closed universe, doomed to collapse to a singularity in finite time. But the calculation for the Schwarzschild radius doesn't include dark energy/co...
by Roĝer
Sun Mar 11, 2012 7:32 pm UTC
Forum: News & Articles
Topic: Impeachment Proceedings Against Obama Begin?
Replies: 171
Views: 21023

Re: Impeachment Proceedings Against Obama Begin?

While I don't like to see Obama impeached now, it would be a great thing for the free world if the power of the US president were limited to constutional levels again.
by Roĝer
Thu Feb 23, 2012 8:50 pm UTC
Forum: Language/Linguistics
Topic: Ni Parolas Esperante (Esperanto practice)
Replies: 140
Views: 67154

Re: Ni Parolas Esperante (Esperanto practice)

Bona novaĵo por lernantoj kaj aliaj! Google Translate nun ankaŭ tradukas al kaj el Esperanto. Kaj la kvalito de la tradukoj estas fakte surprize alta. Nur iom bedaŭre ĝi ankoraŭ ne konis la plej gravajn vortojn, ekzemple brakumado aŭ kaco. Anglalingvanoj do ne komprenos ilin :P . Good news for stude...
by Roĝer
Sun Feb 19, 2012 11:22 pm UTC
Forum: Fictional Science
Topic: Space Combat
Replies: 30
Views: 8782

Re: Space Combat

But at some point the missiles will be close enough for the laser beam to be focused, and then the degradation of the mirror starts. Good design and high quality material can help a lot, but at some point the laser will start vaporising material. The question is: will the missile's guidance system s...
by Roĝer
Sat Feb 18, 2012 2:01 pm UTC
Forum: Fictional Science
Topic: Space Combat
Replies: 30
Views: 8782

Re: Space Combat

Not really, assuming the laser uses a lens to focus on your position, since no mirror is perfect, your mirrors will be burned and lose their function within fractions of a second.
by Roĝer
Fri Jan 20, 2012 11:47 pm UTC
Forum: News & Articles
Topic: Major website shutdown by US govt without trial
Replies: 713
Views: 85423

Re: Major website shutdown by US govt without trial

How is that not disrespecting the rights of its citizens (to know which according to which laws they are prosecuted) or its own judicial system?
by Roĝer
Fri Jan 20, 2012 11:25 pm UTC
Forum: News & Articles
Topic: Major website shutdown by US govt without trial
Replies: 713
Views: 85423

Re: Major website shutdown by US govt without trial

I think there should be a bit more focus on the fact that the US has ordered the arrest of non-US-citizens outside US soil for acts commited by a company based in Hong Kong. Why are the governments of the world not screaming about this blatant disrespect for national sovereignity and human rights?
by Roĝer
Sun Jan 08, 2012 1:14 pm UTC
Forum: News & Articles
Topic: Banach Tarski!
Replies: 8
Views: 2307

Re: Banach Tarski!

Good to see that Copenhagen University is being serious as always.
by Roĝer
Mon Dec 12, 2011 12:02 am UTC
Forum: Science
Topic: Detecting a voyager-like object
Replies: 11
Views: 2539

Re: Detecting a voyager-like object

If somehow the object was still functional, that would mean it has to have some energy source, so it could be warmer than the surrounding space, which makes it easier to pick out. This could be by solar energy, although solar cells would not be any use in interstellar space, or maybe by some kind of...
by Roĝer
Tue Dec 06, 2011 7:15 pm UTC
Forum: News & Articles
Topic: Voyager 1 Reaches New Region of Space
Replies: 44
Views: 9192

Re: Voyager 1 Reaches New Region of Space

If Voyager 1 would not be transmitting, and assuming the main method of detecting it from earth would be through its blackbody radiation, we have a power source of 420 W at 1.78×10¹⁰ km, which gives a brightness of 1×10⁻¹⁹ Wm⁻², or an apparent magnitude of 28. That is just visible for a big ground-b...
by Roĝer
Tue Dec 06, 2011 6:54 pm UTC
Forum: News & Articles
Topic: Putin's United Russia Barely Wins Duma Majority
Replies: 40
Views: 6764

Re: Putin's United Russia Barely Wins Duma Majority

I remember reading an article that United Russia received about 99% of the votes in the Chechen region, the one that has most reason not to like Putin. So I consider the overall result not entirely fair and representative.
by Roĝer
Wed Nov 30, 2011 11:25 pm UTC
Forum: Fictional Science
Topic: Space Combat
Replies: 30
Views: 8782

Re: Space Combat

And a great read on the specific comparison between missiles and lasers: http://www.rocketpunk-manifesto.com/200 ... ple-v.html and its follow-up http://www.rocketpunk-manifesto.com/200 ... -cows.html
by Roĝer
Mon Nov 28, 2011 10:45 pm UTC
Forum: General
Topic: ITT: We make xkcd slightly worse.
Replies: 8671
Views: 1834630

Re: ITT: We make xkcd slightly worse.

Now that's a very phallic looking rocket.
by Roĝer
Mon Nov 28, 2011 10:13 pm UTC
Forum: News & Articles
Topic: Mississippi's Personhood Amendment
Replies: 594
Views: 54091

Re: Mississippi's Personhood Amendment

IANAL, but isn't corporate personhood (to a certain degree) necessary for corporations to enter contracts? And isn't there already a legal concept of natural person, which makes exactly this distinction?
by Roĝer
Sat Nov 19, 2011 12:18 pm UTC
Forum: Fictional Science
Topic: Sci-Fi Weapons and Technology
Replies: 16
Views: 5336

Re: Sci-Fi Weapons and Technology

Clearly the momentum is transferred to a nearby planet or moon.
by Roĝer
Fri Nov 18, 2011 8:04 pm UTC
Forum: Fictional Science
Topic: Sci-Fi Short Story
Replies: 8
Views: 4413

Re: Sci-Fi Short Story

No orbit around a body will ever go through its L5 point.

About the thrusters: they may be needed to compensate for atmosperic drag, although around Mars that is really, really, small.
by Roĝer
Thu Nov 17, 2011 7:43 pm UTC
Forum: News & Articles
Topic: Airlines Blackmail Passengers En Route for Extra Cash
Replies: 42
Views: 8176

Re: Airlines Blackmail Passengers En Route for Extra Cash

As long as it happens inside the European Union customers have a lot of rights, and should never put up with this.
by Roĝer
Thu Nov 10, 2011 4:36 pm UTC
Forum: Language/Linguistics
Topic: How should I choose a second language?
Replies: 28
Views: 7848

Re: How should I choose a second language?

Is there a limited list of languages offered, or are you also allowed to take external courses and exam for credit? If there is a limited list, which languages are in it?
by Roĝer
Wed Nov 09, 2011 5:28 pm UTC
Forum: News & Articles
Topic: IAEA report on Iranian nuclear weapon development
Replies: 285
Views: 22344

Re: IAEA report on Iranian nuclear weapon development

A nuclear deterrent only works if your enemy thinks you'll only use it in self-defense. If they think you'll use it aggressively (and Israel and the US rightly fear Iran will aggressively use nuclear weapons), it attracts invasion, it doesn't deter it. And another thing: a nuclear deterrent only wo...
by Roĝer
Tue Nov 08, 2011 2:40 pm UTC
Forum: General
Topic: 1000th XKCD Comic
Replies: 65
Views: 12901

Re: 1000th XKCD Comic

I'm beginning to enjoy this game of 'let's waste Deva's time'.

I wonder when the thousandth sentence appeared.
by Roĝer
Mon Nov 07, 2011 5:34 pm UTC
Forum: Science
Topic: If we can land a man on the moon....
Replies: 15
Views: 3236

Re: If we can land a man on the moon....

I like the second one, it's such an awesome achievement. And about the third one, I would use it in contexts such as: we can see 13 billion years into the past, yet I can't find my keys I left here minutes ago!
by Roĝer
Mon Nov 07, 2011 5:19 pm UTC
Forum: General
Topic: 1000th XKCD Comic
Replies: 65
Views: 12901

Re: 1000th XKCD Comic

I wonder what the thousandth panel was... Dude, watch out what you're saying! Saying things like this on the xkcd forum will cause at least one person to immediately stop anything he/she's doing and find it out. It's like nerd sniping, but worse. Related to that, I wonder what the ten thousandth wo...
by Roĝer
Thu Nov 03, 2011 9:10 pm UTC
Forum: Fictional Science
Topic: Orbit-Surface Landing Craft
Replies: 17
Views: 5183

Re: Orbit-Surface Landing Craft

Wow, even if that doesn't become reality, it would be an awesome plot device for near science fiction stories.
by Roĝer
Thu Nov 03, 2011 8:54 pm UTC
Forum: General
Topic: 1000th XKCD Comic
Replies: 65
Views: 12901

Re: 1000th XKCD Comic

This conflicts with the calculation given in the OP, which means that I must calculate this by myself. And it comes to 6 january too, with #1024 at 2 march. So what mistake did the OP mean, or did some event happen that changed the schedule?
by Roĝer
Wed Nov 02, 2011 8:59 pm UTC
Forum: Fictional Science
Topic: Orbit-Surface Landing Craft
Replies: 17
Views: 5183

Re: Orbit-Surface Landing Craft

Now that's easy - just add a spring to the bottom, and your craft will bounce right off the surface with the same speed as it arrived, right?
by Roĝer
Mon Oct 31, 2011 8:51 pm UTC
Forum: Fictional Science
Topic: Orbit-Surface Landing Craft
Replies: 17
Views: 5183

Re: Orbit-Surface Landing Craft

Or you could ride it up your space elevator, or put it into your launch loop. Or retrieve it by transport plane after your orbital shock troops have secured the area (now that's an awesome way of worldwide rapid deployment!).
by Roĝer
Mon Oct 31, 2011 8:48 pm UTC
Forum: Fictional Science
Topic: reactionless drive - how badly did I just break physics
Replies: 26
Views: 10445

Re: reactionless drive - how badly did I just break physics

Unless you were somehow able to induce the hydrogen to undergo fusion without it having to be in your reactor (but going at a fraction of c past it), and still give you a push. Which seems quite difficult.
by Roĝer
Mon Oct 31, 2011 8:42 pm UTC
Forum: Science
Topic: Goodbye dark matter?
Replies: 18
Views: 3851

Re: Goodbye dark matter?

Remember that anyone who introduces a new theory to replace an established one must not just explain one observation, but all of them. One of the reasons for believing that there is dark energy, aside from the accelerated expansion of the universe, is the fact that the universe is flat, and matter, ...
by Roĝer
Sat Oct 29, 2011 10:36 am UTC
Forum: Fictional Science
Topic: Orbit-Surface Landing Craft
Replies: 17
Views: 5183

Re: Orbit-Surface Landing Craft

The main problem seems to be the wear that the heat shield experiences. How about an ablative heat shield made out of some kind of fluid, such as oil or water? That way you only have to refill a small tank instead of replacing the heat shield every few orbit drops.
by Roĝer
Sat Oct 22, 2011 10:02 am UTC
Forum: News & Articles
Topic: Libya's Protests and Civil War
Replies: 540
Views: 52136

Re: Libya's Protests and Civil War

The International Criminal Court does not have the death penalty, and the NTC had promised to honour the ICC's arrest warrant. So no, Gaddafi would not have been executed in court.
by Roĝer
Sun Jun 19, 2011 3:24 pm UTC
Forum: News & Articles
Topic: Duolingo
Replies: 32
Views: 13062

Re: Duolingo

It makes me wonder which languages they'll include. It seems to me that, just like with Wikipedia, the more languages the better. If this were only used for 10 or so 'major languages' it would only increase the gap between speakers of those languages and others.
by Roĝer
Sat Jun 18, 2011 11:44 am UTC
Forum: News & Articles
Topic: Nuclear Reactors: Uranium or Plutonium
Replies: 14
Views: 2952

Re: Nuclear Reactors: Uranium or Plutonium

Could someone please provide the text in a spoiler, since the NY times site is paywalled for me.
by Roĝer
Mon Jun 13, 2011 11:55 am UTC
Forum: Fictional Science
Topic: Design a One Stage Launch Craft?
Replies: 99
Views: 22766

Re: Design a One Stage Launch Craft?

Would it not be better to have a ship with life support systems cycling between Earth and Mars in elliptical orbit, using shuttles to access it from EML1 and Mars orbit when it passes by? That way you only need to accelerate the crew and supplies (and the small shuttle), not the whole craft with lif...
by Roĝer
Sat Jun 11, 2011 2:49 pm UTC
Forum: News & Articles
Topic: In Defense of Flogging
Replies: 35
Views: 6188

Re: In Defense of Flogging

I think some more attention should be paid to electronic house arrest. It's a lot cheaper, it doesn't put criminals together, and it's a highly visible deterrent to the immediate neighbourhood of the convicted. I wouldn't use it for especially violent crimes, but for others it seems like a clear imp...
by Roĝer
Fri Jun 10, 2011 6:36 pm UTC
Forum: Fictional Science
Topic: Design a One Stage Launch Craft?
Replies: 99
Views: 22766

Re: Design a One Stage Launch Craft?

An important point on reentry that you all seem to be missing: if you are coming from an orbit, the horizontal kinetic energy is larger (for LEO a lot larger) than the vertical potential energy. So if you want to deorbit and you have a lot of time, you can indeed lose most of the energy by skipping ...
by Roĝer
Tue Jun 07, 2011 6:57 pm UTC
Forum: Language/Linguistics
Topic: Cardinal vowels
Replies: 6
Views: 2028

Re: Cardinal vowels

gmalivuk wrote:Okay then, how do you propose checking whether you're doing it right, other than by comparing how yours sound to how that website pronounces them?


By taking an x-ray recording while you are pronouncing them, of course!

Go to advanced search