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Xinta
@xinta
54
Living a live one step a time | Software Developer | Writer | Whatever
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Location
Italy
Created
2017-03-16 09:04
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Wallet
xinta
cryptocurrency
9y
A simple idea: bear miniwallets on paper to pay someone leaving your wallet at home
Come gather 'round people Wherever you roam And admit that the waters Around you have grown (Image from Wikimedia commons) Relic of ancient times: “Pagabili a vista al portatore” means “payable to the
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xinta
blog
9y
To salivate or to climb, that's the problem
I was just reading a text, in Italian, something like quei coragiosi uomini salivano… It can be translated as “those brave men were climbing…”. The context was clearly set in a montain landscape, but for
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xinta
music
9y
Audio, video testing
In support of my music lessons I thought it could have been useful to make readers listen to passages, scales, chords, whatever. Like for images of scores, but audio instead of visual. At last I haven't
xinta
music
9y
Xinta's music lessons - Lesson 7
The previous lesson was more “dense” than I've planned at the beginning, so this one will be shorter and likely less demanding. I've talked about triads (chords made of three sound: a root, the 3rd and
xinta
music
9y
Xinta's music lessons - Lesson 6
Let's see intervals and their “nomenclature“ from the point of view of a diatonic scale degrees, which should give a meaning to the “nomenclature” itself, as you maybe have already deduced at the end of
xinta
music
9y
Xinta's music lessons - Lesson 5
In the previous lesson we started to talk about scales and I've shown the key signature notation and the circle of fifths. When we've talked also about enharmonics in lesson 3. So we know that, in the
xinta
music
9y
Xinta's music lessons - Lesson 4
In the previous lessons you've learned what a staff is made of five lines; you've learned that clefs give meanings to those lines and gaps between them, so that once you've put a clef, the position of
xinta
notice
9y
This should have been fourth lesson but…
This should have been the fourth music lesson, but unluckly I haven't finished yet, then I need to polish it a little bit, add other graphics/scores, check those I've already done, and… Briefly, it isn't
xinta
music
9y
Xinta's music lessons - Lesson 3
Having read the previous lesson you know that an octave, i.e. the interval between a note with pitch f and another one with pitch 2f, is divided into 12 “tones” (in 12-tones equal temperament). Here the
xinta
music
9y
Hosting audio clips… ideas?
Maybe you know, or maybe not, that I'm writing music lessons. So far I've written two lessons (first and second) and I am preparing the third and the fourth. So far on steemit I've learnt that “heavy”
xinta
music
9y
Have you perfect pitch?
I would like to have it, but I haven't. Few people have it. Common people (even if very good!) can use tricks and a lot of practice… (This trick didn't work for me so far: unluckly I'm always off.) Read
xinta
music
9y
Xinta's music lessons: Lesson 2
In the previous lesson we've learnt that a sound can be decomposed into several sinusoids; mathematically they could be an infinite number. These sinusoids are called harmonics when their frequency is
xinta
picture
9y
The cargo space ship: final step
In the previous post of this series, A engine of the cargo space ship, I've shown how I made a single engine of the cargo ship. That model of ship has four of those engines. Their are attached to the central
xinta
music
9y
Xinta's music lessons - Lesson 1
In these lessons I'll dump almost everything I know about music, not from the perspective of a “consumer” but of a hobbyist “producer”. I'll start with basic knowledge, then notation (the “classical” one),
xinta
art
9y
Fly by
We've just seen a strange object in the space: it's a cube made of smaller cubes. We identified a central cube which emits signals. Our unmanned ship did a fly by keeping its optical sensors aimed at the
xinta
science
9y
Artificial gravity, Rama and few useful formulæ
In the previous post, Gravity in space, I've talked about a way to “create” gravity inside a ship. The ship must be rotating someway, that's it. The fake gravity is the conseguence of the centripetal force
xinta
science
9y
Gravity in space
In a previous post of mine I've started to show the making-of a space ship I've used in a simple space scene (here). The idea is tied to a sci-fi novel I've never finished: I was trying to give “reality”
xinta
mathematics
9y
The set of real numbers isn't countable (Cantor's diagonal argument)
The set of real numbers is not countable. That is, it doesn't exist a bijection between it and the set of natural numbers. Does it sound hard? Maybe it is, if you don't know a thing about what a set is
xinta
math
9y
Exponentiation (positive and negative, integer and rational exponents)
I've just read and upvoted Negative Exponents, an introduction. I was writing a comment to add my notes, until I realized that maybe a post could be fine. Maybe not. I don't know. Teaching is a hard thing
xinta
politics
9y
European Union, Declaration of Rome and the past Treaty of Rome
Understanding modern national politics can be challenging for an inhabitant of that nation, and it is even harder for the others. We are living in interesting times and everything's becoming fuzzy as the
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