Search found 122 matches

by alessandro95
Sat Aug 10, 2013 4:47 pm UTC
Forum: Books
Topic: how old is this book?
Replies: 5
Views: 5750

how old is this book?

I just bought a goethe book from a used book vendor and I was wondering how old it actually is, I don't speak german but I cannot see any clear indication on the book itself about when was it published. front cover: http://grabilla.com/0380a-ed70a3d7-83c5-40a6-8f4a-2a166b8f25b7.png back cover: http:...
by alessandro95
Thu Jul 18, 2013 9:51 pm UTC
Forum: Mathematics
Topic: Twin Prime Conjecture - A leap forward
Replies: 5
Views: 3016

Re: Twin Prime Conjecture - A leap forward

I think I'm misunderstanding something, maybe because english isn't my motherlanguage, but isn't there a very easy and known proof of the existence of arbitrarily big gaps between primes?
by alessandro95
Wed Jul 17, 2013 6:14 am UTC
Forum: Language/Linguistics
Topic: Is there a word for this?
Replies: 10
Views: 6696

Re: Is there a word for this?

JBJ wrote:You could go Latin: "ex nihilo" out of nothing


I didn't study any latin but in italian we still use "ex novo" in this situations, which should translate to newly/from new/from the beginning, but I would still use one of the english solutions posted by Deva
by alessandro95
Mon Jul 15, 2013 6:14 am UTC
Forum: Language/Linguistics
Topic: Parliamo Italiano! (Italian Practice)
Replies: 54
Views: 21455

Re: Parliamo Italiano! (Italian Practice)

There is a small difference, ricordare can be used both as "remind" and as "remember" while ricordarsi can be used only as "remember", for example: Puoi ricordare a tua sorella di portare fuori il cane? Can you remind your sister to walk the dog? But I think there is no...
by alessandro95
Sat Jul 06, 2013 9:53 pm UTC
Forum: Coding
Topic: A left-to-right syntax programming language?
Replies: 16
Views: 9275

Re: A left-to-right syntax programming language?

Since APL was suggested I cannot avoid suggesting J as well, which share a lot with APL (startingfrom the developer), including the right to left evaluation, it isn't exactly what you were searching for but better than nothing
by alessandro95
Thu May 23, 2013 1:59 am UTC
Forum: Religious Wars
Topic: Math or Science
Replies: 65
Views: 54146

Re: Math or Science

MATH!

who cares about real stuffs when you have maths?
by alessandro95
Wed May 22, 2013 4:31 am UTC
Forum: Mathematics
Topic: Minimizing surface area of an arbitrary quadrilateral prism
Replies: 4
Views: 3293

Re: Minimizing surface area of an arbitrary quadrilateral pr

I'm an high school student as well, we want to maximize the area of the base because the height is simply 1000 divided by it. You didn't write it but I assume that "height" means "the longest of this solid heights", otherwise we could have a paper sheet shaped solid with height a...
by alessandro95
Thu May 16, 2013 10:20 am UTC
Forum: Coding
Topic: How to create my own programming language?
Replies: 15
Views: 20811

Re: How to create my own programming language?

One more thing, while I think of it. There's lots of decent open source these days. Finding a small but real interpreter (something like Squirrel or Lua would be decent choices these days) and trying to understand it will probably help. Never heard of squirrel, but I use a lot of Lua, I'm everythin...
by alessandro95
Thu May 16, 2013 1:45 am UTC
Forum: Mathematics
Topic: Math Software
Replies: 143
Views: 164077

Re: Math Software

I just noticed that on the Sage website they claim Sage to be faster than Wolfram's Mathematica, I never tried the latter, so I'd like to hear the opinion of someone who tried them both (though I won't stop using Sage since it's free while Mathematica isn't!), thank you for your answers!
by alessandro95
Thu May 16, 2013 1:09 am UTC
Forum: Mathematics
Topic: triples (x,y,z) with particular properties
Replies: 11
Views: 4571

Re: triples (x,y,z) with particular properties

Mine was intuition (whether it was correct or not is another question!) but the algebra above brought me to the same conclusion. Thanks for this post, it was a good, quick stretch of the brain! The problem seems to ask only for the values, not for a demonstration that these are the only solutions, ...
by alessandro95
Wed May 15, 2013 2:14 pm UTC
Forum: Mathematics
Topic: triples (x,y,z) with particular properties
Replies: 11
Views: 4571

Re: triples (x,y,z) with particular properties

you guys are awesome, thank a lot!
It looked harder to me, well it still is the first of a lot of exercise after all...!

I may want to post some other exercise from the same test, after thinking a bit longer, should I open a new thread or post here?
by alessandro95
Wed May 15, 2013 2:03 pm UTC
Forum: Mathematics
Topic: triples (x,y,z) with particular properties
Replies: 11
Views: 4571

Re: triples (x,y,z) with particular properties

yes, I also found 2^(1/3) as solution just after posting this thread, how do you know that x,y and z must all be equal to each other?
by alessandro95
Wed May 15, 2013 1:52 pm UTC
Forum: Mathematics
Topic: triples (x,y,z) with particular properties
Replies: 11
Views: 4571

triples (x,y,z) with particular properties

Hello everyone, this problem is taken from the entrance test of an Italian university famous for being extremely hard, this is the first problem of the 13 pages long entrance test and I already have no idea on what to do with it (no, I'm not planning to even try this test!): the original text for It...
by alessandro95
Fri May 10, 2013 2:16 am UTC
Forum: Forum Games
Topic: Where In The World Is Vytron? 7 - CBusAlex wins!
Replies: 709
Views: 141965

Re: Where in the world is Vytron? Revolutions

patzer wrote:I prefer "Are you in Europe or Africa?".


second
by alessandro95
Thu May 09, 2013 1:58 pm UTC
Forum: Forum Games
Topic: Where In The World Is Vytron? 7 - CBusAlex wins!
Replies: 709
Views: 141965

Re: Where in the world is Vytron? Revolutions

second
by alessandro95
Thu May 09, 2013 12:04 pm UTC
Forum: Forum Games
Topic: Where in the world is patzer?
Replies: 143
Views: 41533

Re: Where in the world is patzer?

awesome O.o

next match starts in...?
by alessandro95
Thu May 09, 2013 12:41 am UTC
Forum: Forum Games
Topic: Where in the world is patzer?
Replies: 143
Views: 41533

Re: Where in the world is patzer?

Vytron wrote:Are you in USA in the states of Washington, Idaho, Montana, Oregon, California, Nevada, Arizona or Alaska; or in Australia?


second
by alessandro95
Wed May 08, 2013 10:50 pm UTC
Forum: Forum Games
Topic: Where in the world is patzer?
Replies: 143
Views: 41533

Re: Where in the world is patzer?

Third
by alessandro95
Tue May 07, 2013 11:38 am UTC
Forum: What If?
Topic: What-If 0044: "High Throw"
Replies: 58
Views: 23834

Re: What-If 0044: "High Throw"

Anyone has already submitted another what if to ask why on earth they shoot blood from their eyes?
by alessandro95
Tue May 07, 2013 8:32 am UTC
Forum: Forum Games
Topic: *almost* the best superpower in the world
Replies: 703
Views: 96558

Re: *almost* the best superpower in the world

But you use too much bandwith and electricity and after a while you can't afford it anymore.

I can turn water into wine
by alessandro95
Tue May 07, 2013 8:17 am UTC
Forum: Mathematics
Topic: Math Books
Replies: 379
Views: 274039

Re: Math Books

The father or the son?

I found a book titled "algebra" from Michael Artin (the son) and a lot of books on more specific topics by Emil Artin (the father)!
by alessandro95
Mon May 06, 2013 2:43 pm UTC
Forum: Forum Games
Topic: *almost* the best superpower in the world
Replies: 703
Views: 96558

Re: *almost* the best superpower in the world

Meh. Our politicians do that all the time (i'm italian by the way :P)

I can perfectly assemble an IKEA piece of furniture at the first tentative
by alessandro95
Mon May 06, 2013 2:23 pm UTC
Forum: Forum Games
Topic: *almost* the best superpower in the world
Replies: 703
Views: 96558

Re: *almost* the best superpower in the world

But you accidentally place a portal on the roof and the other on the floor of the same room and you start falling in an infinite loop.

I can see through walls
by alessandro95
Mon May 06, 2013 2:03 pm UTC
Forum: Forum Games
Topic: *almost* the best superpower in the world
Replies: 703
Views: 96558

Re: *almost* the best superpower in the world

Not sure wether this is a superpower, but you are always funny. People will probably start hating you after you made jokes at a couple of funerals or other important situations.

I can turn into a cat, meow!
by alessandro95
Mon May 06, 2013 1:58 pm UTC
Forum: Mathematics
Topic: Math Books
Replies: 379
Views: 274039

Re: Math Books

Any good abstract algebra book? Undergraduate level!
by alessandro95
Mon May 06, 2013 1:27 pm UTC
Forum: Fictional Science
Topic: Bleach and physics
Replies: 10
Views: 6356

Re: Bleach and physics

Thank for the answer, in the manga the sword is said to extend instantaneously so in no time at all!

*now googling to find out what is the average speed a sword swinging*
by alessandro95
Mon May 06, 2013 12:37 pm UTC
Forum: Fictional Science
Topic: Bleach and physics
Replies: 10
Views: 6356

Re: Bleach and physics

Thanks for the answers, I knew it had to be much more destructive! Another related question, in another chapter, I don't find anymore, Ichimaru Gin says that his sword can extend to a length of 13 Kilometers, I know it really easy physics but I forgot how to do it, due to momentum the sword should e...
by alessandro95
Mon May 06, 2013 9:02 am UTC
Forum: Forum Games
Topic: *almost* the best superpower in the world
Replies: 703
Views: 96558

Re: *almost* the best superpower in the world

But all the food you touched causes a terrible stomachache to whoever eats it. And it is so good that you can't help eating it, that is not going to end nicely!

I can breath underwater
by alessandro95
Mon May 06, 2013 8:11 am UTC
Forum: Forum Games
Topic: *almost* the best superpower in the world
Replies: 703
Views: 96558

Re: *almost* the best superpower in the world

unluckily you are alerted only when the danger is too near to be avoided

I can switch on or off any electrical device in a range of several kilometers
by alessandro95
Sun May 05, 2013 6:18 am UTC
Forum: Fictional Science
Topic: Bleach and physics
Replies: 10
Views: 6356

Bleach and physics

If you are a bleach reader this thread may contain spoilers! In the manga bleach, chapter 507 , yamamoto states that the flames around his body reach a temperature of 15,000,000 degrees, the water in the whole soul society (the world where this is happening, though it should have the same physical l...
by alessandro95
Thu May 02, 2013 9:49 am UTC
Forum: Music
Topic: Covers That Are Better Than The Originals
Replies: 294
Views: 138068

Re: Covers That Are Better Than The Originals

I prefer the original, but Primus cover of "have a cigar" from Pink Floyd is awesome
by alessandro95
Sun Apr 28, 2013 10:33 pm UTC
Forum: Science
Topic: Angular Momentum - Webcomic 162
Replies: 8
Views: 3475

Re: Angular Momentum - Webcomic 162

Tass wrote:
mfb wrote:Link to the comic
You are right, she has to spin in the opposite direction on the southern hemisphere.


And the closer she is to the equator the less efficient it will be.


If the earth was a perfect sphere would she have any effect at the equator?
by alessandro95
Sun Apr 28, 2013 2:52 pm UTC
Forum: Coding
Topic: The Red Spider Project
Replies: 246
Views: 185142

Re: The Red Spider Project

I solved 61 and I program in assembly myself so I can give you some data as well, thought rosettacode is probably much better than projecteuler to compare different languages
by alessandro95
Sun Apr 28, 2013 5:44 am UTC
Forum: News & Articles
Topic: What the World Eats
Replies: 28
Views: 5211

Re: What the World Eats

From my italian point of view Germany is damn expensive, for food as well as for anything else, but still 500€ is not what you normally spend in a week! Anyway this site is really interesting On the "bottled water" vs "tap water" topic I'd say that in italy (at least in my hometo...
by alessandro95
Sat Apr 27, 2013 12:33 pm UTC
Forum: Logic Puzzles
Topic: A meta-riddle?
Replies: 39
Views: 9661

Re: A meta-riddle?

I don't remember someone saying that either but dividing goods like you are suggesting is not allowed, the merchant need to be able to weight all the kilos between 1 and 40 only using his 4 weights, and the problem seems solved to me :)
by alessandro95
Fri Apr 26, 2013 2:03 am UTC
Forum: Logic Puzzles
Topic: A meta-riddle?
Replies: 39
Views: 9661

Re: A meta-riddle?

1,4,6,27 allow us to measure 37kg (as 27+6+4 but, of course, we cannot make a lot of other measurement), I do not doubt that your idea is a good way to find a set of weights that satisfies the problem conditions but i cannot see why picking 3 in order to measure 37kg is an obligatory choice...
by alessandro95
Thu Apr 25, 2013 2:58 pm UTC
Forum: Logic Puzzles
Topic: A meta-riddle?
Replies: 39
Views: 9661

Re: A meta-riddle?

Spoiler:
Jedelmania I was thinking more or less the same as you, but let's say we want to make 37, why should we pick a 3kg weight instead of a 7kg and a 4kg weights? (or any other pair whose difference is 3)
by alessandro95
Thu Apr 25, 2013 2:06 pm UTC
Forum: News & Articles
Topic: NASA's rover draws a penis on mars
Replies: 17
Views: 4110

Re: NASA's rover draws a penis on mars

Mars has wind, right? We need a permanent colony to draw dicks when the old ones blow away. You have a point there. Also because this rover isn't exactly Van Gogh, as you can see in the picture the drawing is pretty sloppy, humans would do a better job for sure (or maybe NASA should invest more mon...
by alessandro95
Thu Apr 25, 2013 12:28 pm UTC
Forum: News & Articles
Topic: NASA's rover draws a penis on mars
Replies: 17
Views: 4110

NASA's rover draws a penis on mars

http://www.giornalettismo.com/wp-content/uploads/2013/04/pene-su-marte.jpg This photo was published on the NASA website and noticed by a reddit user, who didn't lose time and posted it on reddit itself, needless to say the image showing how NASA drew a penis on mars spread pretty quickly across int...
by alessandro95
Thu Apr 25, 2013 8:09 am UTC
Forum: Logic Puzzles
Topic: A meta-riddle?
Replies: 39
Views: 9661

A meta-riddle?

The original, pretty simple, riddle says more or less: "There is a merchant with a balance (one of those old balance where you put weights on one side and goods on the other) and he needs to sell his goods in whole kilograms between 1kg and 40kg (extremes included), he only owns 4 weights, all ...

Go to advanced search