Siglo VII
En la India se inicia el cálculo con números negativos, así como la ubicación de los números en posiciones definitivas.La cultura árabe desarrolla un grado alto de algunos procesosquímicos como la obtención de ácido sulfúrico, del ácido nítrico, etc.También se realizan estudios sobre el proceso de la evaporación, condensación, sublimación, etc.
En China se emplea un tipo de imprentaconstituida por caracteres independientes.
Siglo IX
Se hacen los primeros relojes de pesas con engranajes.En el año 880, un médico árabe construye la primera máquina voladora, sin éxito.En China sedocumentan los primeros molinos de viento, el empleo de la pólvora en pirotecnia y el teléfono de hilo.Los árabes experimentan sobre la cámara oscura como principio de lo que después será la fotografía(más tarde Leonardo da Vinci perfeccionará su estudio) y se usarán las funciones trigonométicas.
Siglo XI
Se construye en China el primer reloj de agua de precisión con un error inferior a minuto ymedio diario.
El mundo árabe sigue siendo hegemónico en el desarrollo de las matemáticas resolviendose potencias de binomios como (a + b) elevado al cuadrado. También se establece la densidad de losmateriales, comparándola con la del agua y se usan cámaras refrigeradas para la conservación de los alimentos.
En Europa se impone la arquitectura románica. En el ámbito industrial se desarrolla lafabricación de vidrio plano y se comienza a usar la hulla como combustible. Se observa la orientación de los puntos cardinales por medio de una aguja imantada. En Inglaterra se establece como medidapatrón de longitud la yarda, lo que se considera el comienzo de la separación entre el sistema métrico y el anglosajón.
Siglo XIII
En China se usan bolas de acero cargadas con pólvora como bombas ytambién “tubos de fuego”, principio de las posteriores armas de fuego. Es probable que se usasen globos aerostáticos con aire caliente. Hacia el año 1330 d.C. los árabes hacen un primer estudio para…

69 thoughts on “Fotos

  1. Awesome things here. I’m very happy to look your article.
    Thanks so much and I’m having a look ahead to contact you.
    Will you please drop me a mail?

  2. It’s actually very difficult in this active life to listen news on TV, so I simply
    use web for that purpose, and take the hottest information.

  3. My partner and I absolutely love your blog and find
    the majority of your post’s to be just what I’m looking for.
    Would you offer guest writers to write content to suit your needs?
    I wouldn’t mind writing a post or elaborating on some of the subjects you
    write about here. Again, awesome web log!

  4. Hey I know this is off topic but I was wondering if you knew of any widgets
    I could add to my blog that automatically tweet my newest twitter updates.
    I’ve been looking for a plug-in like this for quite some time and was
    hoping maybe you would have some experience with something like this.
    Please let me know if you run into anything.
    I truly enjoy reading your blog and I look forward to your
    new updates.

  5. 240447 234457Ive read several excellent stuff here. Undoubtedly value bookmarking for revisiting. I surprise how much effort you put to create 1 of these outstanding informative site. 517116

  6. My brother recommended I would possibly like this blog. He was once totally right.
    This put up actually made my day. You can not believe just how much time I had spent for this info!
    Thanks! natalielise pof

  7. Hello there, just became alert to your blog through Google, and found that it’s truly informative.
    I’m gonna watch out for brussels. I will be grateful if you continue this in future.
    A lot of people will be benefited from your writing. Cheers!

  8. 46540 254066Howdy! Do you know if they make any plugins to safeguard against hackers? Im kinda paranoid about losing everything Ive worked hard on. Any suggestions? 938498

  9. Hmm is anyone else encountering problems with the images on this blog loading? I’m trying to find out if its a problem on my end or if it’s the blog. Any suggestions would be greatly appreciated.

  10. After looking into a number of the articles on your website, I honestly appreciate your way of blogging.

    I added it to my bookmark webpage list and will be checking back
    soon. Please visit my web site too and let me know what you think.

  11. 316052 335903Cheapest player speeches and toasts, or perhaps toasts. continue to be brought about real estate . during evening reception tend to be likely to just be comic, witty and therefore instructive as effectively. very best man speeches free 510147

  12. Right here is the right site for anyone who would like to understand this topic.
    You understand a whole lot its almost tough to
    argue with you (not that I actually will need to…HaHa).
    You definitely put a fresh spin on a topic which has been discussed for a
    long time. Great stuff, just wonderful!

  13. Interesting blog! Is your theme custom made or did you download it from
    somewhere? A design like yours with a few simple tweeks would really make my blog jump out.
    Please let me know where you got your design. Bless you

  14. 309019 149102There is an ending. Just remember that I meant for this to be an art game. I do feel like I spent an inordinate amount of time on the a lot more traditional gameplay elements, which could make the meaning with the game a bit unclear. Should you mess about with it though, youll discover it. 380841

  15. 56655 367091Most reliable human being messages, nicely toasts. are already provided gradually during the entire wedding celebration and therefore are anticipated to be extremely laid back, humorous and as well as new all at once. best man speech 162298

  16. After study a few of the weblog posts in your website now, and I really like your way of blogging. I bookmarked it to my bookmark web site list and will likely be checking back soon. Pls take a look at my site as properly and let me know what you think.

  17. I think this is among the most vital information for me. And i am glad reading your article. But want to remark on few general things, The site style is ideal, the articles is really excellent : D. Good job, cheers

  18. 850782 962076Outstanding weblog here! Moreover your web site rather a whole lot up rapidly! What host are you the usage of? Can I get your affiliate link to your host? I wish my internet site loaded up as quickly as yours lol 837811

  19. Thanks for sharing superb informations. Your site is so cool. I’m impressed by the details that you have on this site. It reveals how nicely you perceive this subject. Bookmarked this website page, will come back for more articles. You, my pal, ROCK! I found simply the information I already searched everywhere and simply couldn’t come across. What a great site.

  20. 201339 369096Most heavy duty trailer hitches are created using cutting edge computer aided models and fatigue stress testing to ensure optimal strength. Share new discoveries with your child and keep your child safe by purchasing the correct style for your lifestyle by following the Perfect Stroller Buyers Guideline. 601059

  21. Only a smiling visitor here to share the love (:, btw outstanding design and style. «Competition is a painful thing, but it produces great results.» by Jerry Flint.

  22. I was very pleased to find this web-site.I wanted to thanks for your time for this wonderful read!! I definitely enjoying every little bit of it and I have you bookmarked to check out new stuff you blog post.

  23. Needed to write you the very little word in order to thank you very much yet again for the stunning things you have featured at this time. It has been unbelievably generous of you to provide publicly all that a lot of folks could have distributed as an e-book to help with making some profit on their own, mostly since you could have tried it if you desired. Those thoughts as well acted to become a good way to be aware that other individuals have the identical passion really like mine to understand way more on the subject of this problem. I am certain there are many more pleasurable opportunities up front for those who scan through your website.

  24. I just want to mention I am just all new to weblog and really loved your blog. Most likely I’m want to bookmark your site . You amazingly come with amazing article content. Thank you for sharing with us your web-site.

  25. Thanks for sharing excellent informations. Your site is very cool. I’m impressed by the details that you’ve on this web site. It reveals how nicely you perceive this subject. Bookmarked this website page, will come back for more articles. You, my friend, ROCK! I found just the info I already searched all over the place and just could not come across. What a perfect site.

  26. I was curious if you ever thought of changing the structure of your site? Its very well written; I love what youve got to say. But maybe you could a little more in the way of content so people could connect with it better. Youve got an awful lot of text for only having one or 2 images. Maybe you could space it out better?

  27. When I initially commented I clicked the «Notify me when new comments are added» checkbox and now each time a comment is added I get several e-mails with the same comment. Is there any way you can remove me from that service? Thanks!

  28. I wish to express my appreciation for your kindness in support of individuals who actually need guidance on your field. Your special commitment to passing the message along was surprisingly insightful and have frequently allowed girls like me to achieve their targets. Your new invaluable key points entails this much a person like me and a whole lot more to my office colleagues. Many thanks; from each one of us.

Deja un comentario

Tu dirección de correo electrónico no será publicada.