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        <title><![CDATA[Random walk]]></title>
        <link>https://cybertib.overblog.com/</link>
        <generator>Overblog - https://www.over-blog.com</generator>
        <description><![CDATA[Please wait while building science...]]></description>
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    <title><![CDATA[Consulting activities]]></title>
    <link><![CDATA[https://cybertib.overblog.com/2026/03/consulting-activities.html]]></link>
    <guid>https://cybertib.overblog.com/2026/03/consulting-activities.html</guid>
    <pubDate>Tue, 17 Mar 2026 20:53:40 +0100</pubDate>
    <description><![CDATA[Scientists are experts in their own disciplines. Today, some private consulting groups may rely on AI-generated reports to increase profits, sometimes without sufficient regard for validity or scientific rigor. That is exactly why real scientific expertise... ]]></description>
        <dc:creator><![CDATA[Thibs]]></dc:creator>
    </item>
                    <item>
    <title><![CDATA[Faut-il forcément partir pour se réaliser?]]></title>
    <link><![CDATA[https://cybertib.overblog.com/2024/08/faut-il-forcement-partir-pour-se-realiser.html]]></link>
    <guid>https://cybertib.overblog.com/2024/08/faut-il-forcement-partir-pour-se-realiser.html</guid>
    <pubDate>Sat, 10 Aug 2024 06:11:39 +0200</pubDate>
    <description><![CDATA[Comment ai-je pu évoluer près de 25 ans (disons entre 3 et 27 ans) entre Châteaufort, Gif-sur-Yvette, Orsay et ne jamais, au grand jamais, être introduit ou approché des instituts aussi prestigieux que l'IHES, qui ont vu les plus grand mathématiciens... ]]></description>
        <dc:creator><![CDATA[Thibs]]></dc:creator>
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                    <item>
    <title><![CDATA[Turquie, Russie, Biélorussie, Isräel, ... le recul des lumières au XXIè siècle. ]]></title>
    <link><![CDATA[https://cybertib.overblog.com/2023/12/turquie-russie-bielorussie-israel.le-recul-des-lumieres-au-xxie-siecle.html]]></link>
    <guid>https://cybertib.overblog.com/2023/12/turquie-russie-bielorussie-israel.le-recul-des-lumieres-au-xxie-siecle.html</guid>
    <pubDate>Sun, 03 Dec 2023 15:33:20 +0100</pubDate>
    <description><![CDATA[Dans le bazar ambiant, il est devenu très compliqué de trouver à quoi donner la priorité. D'un côté, il faut gagner son argent. Travailler et inventer des combines légales pour pouvoir faire de la place à ce qui être sensé, rationnel, utile. Quelles sont... ]]></description>
        <dc:creator><![CDATA[Thibs]]></dc:creator>
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                    <item>
    <title><![CDATA[Scientist in war time]]></title>
    <link><![CDATA[https://cybertib.overblog.com/2023/03/scientist-in-war-time.html]]></link>
    <guid>https://cybertib.overblog.com/2023/03/scientist-in-war-time.html</guid>
    <pubDate>Tue, 07 Mar 2023 09:15:49 +0100</pubDate>
    <description><![CDATA[Current situation is frankly difficult. Last years, I have seen the end of funds in best international research groups working like a blade on talented people's jobs. There are no gifts. Hard work (beyond legal working time) is the only way to keep a... ]]></description>
        <dc:creator><![CDATA[Thibs]]></dc:creator>
    </item>
                    <item>
    <title><![CDATA[On retourne tout et on recommence!]]></title>
    <link><![CDATA[https://cybertib.overblog.com/2021/04/on-retourne-tout-et-on-recommence.html]]></link>
    <guid>https://cybertib.overblog.com/2021/04/on-retourne-tout-et-on-recommence.html</guid>
    <pubDate>Thu, 01 Apr 2021 08:35:34 +0200</pubDate>
    <description><![CDATA[Ce matin, j'ai vu passer sur les réseaux sociaux un article publié dans Nature intitulé "Laser cooling of antihydrogen atoms". Après avoir étudié l'interaction laser matière depuis 2008, voilà que je réalise qu'on peut tout retourner, dans le sens le... ]]></description>
        <dc:creator><![CDATA[Thibault J.-Y. Derrien]]></dc:creator>
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                    <item>
    <title><![CDATA[Is Karl Popper's repeatibility compatible with quantum physics? ]]></title>
    <link><![CDATA[https://cybertib.overblog.com/2021/01/is-karl-popper-s-repeatibility-compatible-with-quantum-physics.html]]></link>
    <guid>https://cybertib.overblog.com/2021/01/is-karl-popper-s-repeatibility-compatible-with-quantum-physics.html</guid>
    <pubDate>Wed, 06 Jan 2021 10:03:03 +0100</pubDate>
    <description><![CDATA[The definition of science by Karl Popper is based on the repeatibility of the observed phenomenon. However, to my knowledge, this only comprises the classical processes, those who can indeed repeat at each attempt, whereas quantum processes repeat only... ]]></description>
        <dc:creator><![CDATA[Thibault J.-Y. Derrien]]></dc:creator>
    </item>
                    <item>
    <title><![CDATA[La &quot;paix&quot;, mais pour combien de temps?]]></title>
    <link><![CDATA[https://cybertib.overblog.com/2020/12/la-paix-mais-pour-combien-de-temps.html]]></link>
    <guid>https://cybertib.overblog.com/2020/12/la-paix-mais-pour-combien-de-temps.html</guid>
    <pubDate>Thu, 31 Dec 2020 13:19:47 +0100</pubDate>
    <description><![CDATA[Opinion. Pour les Européens, la seconde guerre mondiale le nazisme et l'occupation soviétique en Europe ont été parmis les pires horreurs de l'histoire. Les institutions internationales onusiennes avaient été créées pour éviter la répétition de tels scénarios.... ]]></description>
        <dc:creator><![CDATA[Thibault J.-Y. Derrien]]></dc:creator>
    </item>
                    <item>
    <title><![CDATA[Adapting travelling to the post-covid world]]></title>
    <link><![CDATA[https://cybertib.overblog.com/2020/11/adapting-to-the-post-covid-world.html]]></link>
    <guid>https://cybertib.overblog.com/2020/11/adapting-to-the-post-covid-world.html</guid>
    <pubDate>Fri, 27 Nov 2020 20:54:32 +0100</pubDate>
    <description><![CDATA[Being a researcher in a COVID world can seem easy, at least for some time. One somehow continues to get paid until end of contract. But meanwhile, the government has been spending a lot to support other professions. And of course, where did they get the... ]]></description>
        <dc:creator><![CDATA[Thibault J.-Y. Derrien]]></dc:creator>
    </item>
                    <item>
    <title><![CDATA[La solitude de l'expatrié en plein confinement]]></title>
    <link><![CDATA[https://cybertib.overblog.com/2020/06/la-solitude-de-l-expatrie.html]]></link>
    <guid>https://cybertib.overblog.com/2020/06/la-solitude-de-l-expatrie.html</guid>
    <pubDate>Fri, 26 Jun 2020 19:37:01 +0200</pubDate>
    <description><![CDATA[La carrière de scientifique exige de s'expatrier. Pourquoi? Car les compétences nécessaires à un sujet de recherche ne se trouvent pas partout. Mais aussi parce qu'il faut rencontrer d'autres cultures afin de pouvoir s'adapter à chacun, et afin de savoir... ]]></description>
        <dc:creator><![CDATA[Thibs]]></dc:creator>
    </item>
                    <item>
    <title><![CDATA[Pourquoi j'ai quitté mon pays]]></title>
    <link><![CDATA[https://cybertib.overblog.com/2020/05/pourquoi-j-ai-quitte-mon-pays.html]]></link>
    <guid>https://cybertib.overblog.com/2020/05/pourquoi-j-ai-quitte-mon-pays.html</guid>
    <pubDate>Mon, 18 May 2020 21:53:39 +0200</pubDate>
    <description><![CDATA[Bien qu'étant considéré par mon entourage comme étant quelqu'un de créatif et intelligent, j'ai l'impression de faire parti des plus idiots. Pourquoi? Car je me sens rejeté par le pays où ma famille a évolué au cours des cinq derniers siècles. Je me suis... ]]></description>
        <dc:creator><![CDATA[Thibs]]></dc:creator>
    </item>
                    <item>
    <title><![CDATA[What theoretical modeling has brought to this world? ]]></title>
    <link><![CDATA[https://cybertib.overblog.com/what-theoretical-modeling-has-brought-to-this-world]]></link>
    <guid>https://cybertib.overblog.com/what-theoretical-modeling-has-brought-to-this-world</guid>
    <pubDate>Tue, 04 Feb 2020 20:22:14 +0100</pubDate>
    <description><![CDATA[Some weeks ago, my other half asked me a puzzling question. "What is the most striking prediction that marked your life as a scientist?"I suddenly found myself in front of a giant leap. And decided that it is important to address this question. Or rather... ]]></description>
        <dc:creator><![CDATA[]]></dc:creator>
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                    <item>
    <title><![CDATA[Multiple affiliation in multiple countries: the case of cross-border commuter between Germany and Czech Republic. ]]></title>
    <link><![CDATA[https://cybertib.overblog.com/multiple-affiliation-in-multiple-countries-personal-experience-between-germany-and-czech-republic]]></link>
    <guid>https://cybertib.overblog.com/multiple-affiliation-in-multiple-countries-personal-experience-between-germany-and-czech-republic</guid>
    <pubDate>Wed, 30 May 2018 12:21:34 +0200</pubDate>
    <description><![CDATA[I'm post-doctoral reearcher in two countries. I have double affiliation and I receive salary from two countries, whereas my total occupation rate (FTE) is limited to 100% of the legal working time. This is named a cross-border commuter situation. In such... ]]></description>
        <dc:creator><![CDATA[Thibault J.-Y. Derrien]]></dc:creator>
    </item>
                    <item>
    <title><![CDATA[Les sujets tabou en recherche scienfique]]></title>
    <link><![CDATA[https://cybertib.overblog.com/2018/05/les-sujets-tabou-en-recherche-scienfique.html]]></link>
    <guid>https://cybertib.overblog.com/2018/05/les-sujets-tabou-en-recherche-scienfique.html</guid>
    <pubDate>Sat, 19 May 2018 18:48:38 +0200</pubDate>
    <description><![CDATA[La recherche scientifique se porte bien? Détournez vos regards des gros titres et jetez un oeil autour de vous. La science est un métier où la guerre est permanente. Pour garder la parentalité de ses idées. [Research ethics] Pour obtenir des financements,... ]]></description>
        <dc:creator><![CDATA[Thibault J.-Y. Derrien]]></dc:creator>
    </item>
                    <item>
    <title><![CDATA[Business trips in 2015-2017]]></title>
    <link><![CDATA[https://cybertib.overblog.com/2018/01/travels-in-2017.html]]></link>
    <guid>https://cybertib.overblog.com/2018/01/travels-in-2017.html</guid>
    <pubDate>Sat, 10 Feb 2018 13:50:29 +0100</pubDate>
    <description><![CDATA[If there is one thing I cannot deny to be interesting in scientific research, it's about traveling for business. Last years were quite amazing on that side. Here is a small summary. December 2017 - Hamburg, GermanyNovember 2017 - Paris, FranceOctober... ]]></description>
        <dc:creator><![CDATA[Thibault J.-Y. Derrien]]></dc:creator>
    </item>
                    <item>
    <title><![CDATA[Young scientist and post doctoral stress release advises: small guide to improve life conditions]]></title>
    <link><![CDATA[https://cybertib.overblog.com/2017/04/young-scientist-and-post-doctoral-stress-release-advises-small-guide-to-improve-life-conditions.html]]></link>
    <guid>https://cybertib.overblog.com/2017/04/young-scientist-and-post-doctoral-stress-release-advises-small-guide-to-improve-life-conditions.html</guid>
    <pubDate>Sun, 30 Apr 2017 10:11:06 +0200</pubDate>
    <description><![CDATA[Last years, I have been overworking very much. Life of the post doc researcher is so passionating, but also so pressurizing (due to the lack of permanent positions) that it can bring you to work on evenings after office time, at home in the week-end and... ]]></description>
        <dc:creator><![CDATA[Thibault J.-Y. Derrien]]></dc:creator>
    </item>
                    <item>
    <title><![CDATA[Qu'est ce que la vie de chercheur? ]]></title>
    <link><![CDATA[https://cybertib.overblog.com/2017/03/qu-est-ce-que-la-vie-de-chercheur.html]]></link>
    <guid>https://cybertib.overblog.com/2017/03/qu-est-ce-que-la-vie-de-chercheur.html</guid>
    <pubDate>Sat, 11 Mar 2017 09:04:20 +0100</pubDate>
    <description><![CDATA[Qu'est-ce qu'être un scientifique? C'est être passionné par le savoir, par la connaissance, être curieux de tout, mais également savoir se séparer du monde pour construire une réflexion, lorsqu'on a eu assez d'inspiration à coucher sur le papier. Pour... ]]></description>
        <dc:creator><![CDATA[Thibault J.-Y. Derrien]]></dc:creator>
    </item>
                    <item>
    <title><![CDATA[What is co-authorship? ]]></title>
    <link><![CDATA[https://cybertib.overblog.com/2016/05/what-is-co-authorship.html]]></link>
    <guid>https://cybertib.overblog.com/2016/05/what-is-co-authorship.html</guid>
    <pubDate>Sun, 22 May 2016 10:54:37 +0200</pubDate>
    <description><![CDATA[What is co-authorship? Co-authorship is the key to accessing to a future permanent academic position. When you write your own papers, things are simple, you can put yourself as first author. And then you may be encouraged to put some of your colleagues... ]]></description>
        <dc:creator><![CDATA[Thibault J.-Y. Derrien]]></dc:creator>
    </item>
                    <item>
    <title><![CDATA[How to manage expenses as an expat? ]]></title>
    <link><![CDATA[https://cybertib.overblog.com/2016/03/how-to-manage-expenses-as-an-expat.html]]></link>
    <guid>https://cybertib.overblog.com/2016/03/how-to-manage-expenses-as-an-expat.html</guid>
    <pubDate>Tue, 29 Mar 2016 10:50:46 +0200</pubDate>
    <description><![CDATA[As a mobile and modern scientist, I have to admit that I would have appreciated that someone tells me in advance about usual things that nobody tells you, but that you will face without respect from governments: delays for having my salary in various... ]]></description>
        <dc:creator><![CDATA[Thibault J.-Y. Derrien]]></dc:creator>
    </item>
                    <item>
    <title><![CDATA[Mobility in research: how to build a family?]]></title>
    <link><![CDATA[https://cybertib.overblog.com/2016/03/mobility-in-research-how-to-build-a-family.html]]></link>
    <guid>https://cybertib.overblog.com/2016/03/mobility-in-research-how-to-build-a-family.html</guid>
    <pubDate>Sun, 13 Mar 2016 18:39:31 +0100</pubDate>
    <description><![CDATA[To get a permanent position someday, it is mostly important to be mobile and to reach the best institutions in the world. This process usually takes several years, and several steps among Europe, maybe more. Then comes the question of coupling. If you... ]]></description>
        <dc:creator><![CDATA[Thibault J.-Y. Derrien]]></dc:creator>
    </item>
                    <item>
    <title><![CDATA[List of toxic materials to handle with care]]></title>
    <link><![CDATA[https://cybertib.overblog.com/list-of-toxic-materials-to-handle-with-care]]></link>
    <guid>https://cybertib.overblog.com/list-of-toxic-materials-to-handle-with-care</guid>
    <pubDate>Wed, 06 Jan 2016 06:44:39 +0100</pubDate>
    <description><![CDATA[Last night, I was awaken at 4:30am by an important aspect of research which is actually not enough addressed in the templates of scientific project proposals. For example, I noticed that even Horizon 2020 of the European Union is rather limiting safety... ]]></description>
        <dc:creator><![CDATA[Thibault J.-Y. Derrien]]></dc:creator>
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                    <item>
    <title><![CDATA[How much can we trust dielectric permittivity ?]]></title>
    <link><![CDATA[https://cybertib.overblog.com/2015/12/how-much-can-we-trust-dielectric-permittivity.html]]></link>
    <guid>https://cybertib.overblog.com/2015/12/how-much-can-we-trust-dielectric-permittivity.html</guid>
    <pubDate>Tue, 15 Dec 2015 01:14:59 +0100</pubDate>
    <description><![CDATA[By closing a paper based on dielectric permittivities of metals, I realized how much these optical data are badly known. Despite of the extraordinary efforts of Palik and co-workers to collect all together a large amount of good optical data, it appears... ]]></description>
        <dc:creator><![CDATA[Thibault J.-Y. Derrien]]></dc:creator>
    </item>
                    <item>
    <title><![CDATA[Sociologie: comment pouvoir prédire le pire ?]]></title>
    <link><![CDATA[https://cybertib.overblog.com/2015/11/sociologie-comment-pouvoir-predire-le-pire.html]]></link>
    <guid>https://cybertib.overblog.com/2015/11/sociologie-comment-pouvoir-predire-le-pire.html</guid>
    <pubDate>Mon, 16 Nov 2015 20:23:39 +0100</pubDate>
    <description><![CDATA[Les révolutions naissent des évènements rares, mais violents. Les terroristes l'ont très bien compris. En théorie des systèmes dynamiques, les systèmes chaotiques sont stimulés dans des régions de l'espace des possibilités où plusieurs scénarios sont... ]]></description>
        <dc:creator><![CDATA[Thibault J.-Y. Derrien]]></dc:creator>
    </item>
                    <item>
    <title><![CDATA[Vers une description stochastique de la mécanique quantique]]></title>
    <link><![CDATA[https://cybertib.overblog.com/2015/05/en-reponse-a-un-lien-poste-vers-cette-publication-http-www-sciencealert-com-scientists-have-discovered-a-new-state-of-matter-the-jah]]></link>
    <guid>https://cybertib.overblog.com/2015/05/en-reponse-a-un-lien-poste-vers-cette-publication-http-www-sciencealert-com-scientists-have-discovered-a-new-state-of-matter-the-jah</guid>
    <pubDate>Wed, 13 May 2015 07:34:15 +0200</pubDate>
    <description><![CDATA[En réponse à un lien posté vers cette publication. http://www.sciencealert.com/scientists-have-discovered-a-new-state-of-matter-the-jahn-teller-effect Les propriétés d'un matériau peuvent changer de manière dépendante du temps, et il est bien connu que... ]]></description>
        <dc:creator><![CDATA[Thibault J.-Y. Derrien]]></dc:creator>
    </item>
                    <item>
    <title><![CDATA[Marie Sklodowska Curie Fellowship 2015: granted!]]></title>
    <link><![CDATA[https://cybertib.overblog.com/2015/02/marie-sklodowska-curie-fellowship-2015-granted.html]]></link>
    <guid>https://cybertib.overblog.com/2015/02/marie-sklodowska-curie-fellowship-2015-granted.html</guid>
    <pubDate>Fri, 06 Feb 2015 11:03:53 +0100</pubDate>
    <description><![CDATA[On Wednesday 4th of February 2015, I received an email from European Commission approving my Individual Fellowship (IF) within the Marie Sklodowska Curie Actions. As a consequence, I will be funded by Europe for two years to perform advanced numerical... ]]></description>
        <dc:creator><![CDATA[Thibault J.-Y. Derrien]]></dc:creator>
    </item>
                    <item>
    <title><![CDATA[[Writing] Where is God ?]]></title>
    <link><![CDATA[https://cybertib.overblog.com/2014/11/writing-where-is-god.html]]></link>
    <guid>https://cybertib.overblog.com/2014/11/writing-where-is-god.html</guid>
    <pubDate>Sun, 09 Nov 2014 12:16:18 +0100</pubDate>
    <description><![CDATA[Dans quoi se matérialise l'existence de Dieu ? Dans quel aspect de la nature un dieu pourrait-il être l'architecte ? Dans la complexité de la vie, de la biodiversité (par exemple, le développement des plantes présente une structure ordonnée des plus saisissantes),... ]]></description>
        <dc:creator><![CDATA[Thibault J.-Y. Derrien]]></dc:creator>
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