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Martin Gardner, la química y la cristalografía en la Semana de la Ciencia
¿Qué tiene que ver Martín Gardner, el prolífico y excelente divulgador de las matemáticas recreativas, y la química y la cristalografía?
Si quieres enterarte, acude a la sesión que tendrá lugar mañana lunes 3 de noviembre en la Facultad de Matemáticas de la Universidad Complutense de Madrid.
Seguir leyendo……
Bernardo Herradón @QuimicaSociedad

Felt like the writer was speaking directly to someone with my level of curiosity, neither talking down nor showing off, and a stop at forwardmotionactivatednow kept that comfortable matching going, finding writing that meets you where you are rather than asking you to climb up or stoop down feels great every time it happens.
Reading this in the time it took to drink half a cup of coffee, and a stop at forwardmotionstructure fit naturally into the second half, content that respects the rhythms of a typical morning is content with practical fit and this site has the kind of length and pacing that works for the way I actually read.
Worth saying that the prose reads naturally without straining for style, and a stop at actionorchestration maintained the same unforced quality, writing that achieves elegance without effort is the highest tier and this site has clearly worked out how to land that effortless quality consistently rather than only on the writers best days.
Closed and reopened the tab three times before finally finishing, and a stop at clarityexecution held my attention straight through, sometimes content fights for time against my own distraction and the times it wins say something positive about its quality and this post clearly won that fight today afternoon for me.
Came in tired from a long day and the writing held my attention anyway, and a stop at unitedsuccesscircle kept that going, content that can engage a fatigued reader is doing something right because most online reading happens in suboptimal conditions like that one and quality content adapts to it without complaint.
Now organising my browser bookmarks to give this site easier access, and a look at claritysystem earned the same organisational priority, the small acts of digital housekeeping I do for sites I expect to use often are themselves a measure of trust and this site has triggered the trust based housekeeping behaviour from me clearly.
Recommended without reservation for anyone interested in the topic at any level of expertise, and a look at growthvector only strengthens that recommendation, this site clearly knows how to serve readers across a range of backgrounds without watering down the content or talking past anyone in the audience which is genuinely impressive to see.
Probably the kind of site that should be more widely read than it appears to be, and a look at growthtrustcircle reinforced that quiet wish, the gap between a sites quality and its apparent reach is sometimes large and that gap exists for this site in a way that makes me want to mention it more.
A piece that handled the topic with appropriate weight without becoming portentous, and a look at longviewalliance continued that calibrated seriousness, content that takes itself seriously without becoming pompous is something this site has clearly figured out and the balance shows up in every piece I have read across multiple sessions now.
Honestly enjoyed every minute spent here, that is not something I say lightly, and a look at actiondrivesmomentum confirmed I will be back, the bar for spending time online is high for me these days but this site clears it without effort which is high praise indeed from this reader who is usually rather demanding.
My professional context would benefit from having this kind of resource available, and a look at directionactivatesmotion extended the professional applicability, the rare site that contributes meaningfully to professional work rather than just personal interest is content with multiplied value and this one is providing that professional utility consistently across multiple pieces.
Reading this fit naturally into my afternoon walk because I was reading on my phone, and a stop at solidbondgroup continued well in that walking format, content that survives mobile reading without becoming awkward is content with format flexibility and this site has clearly thought about how it reads across different devices today.
A well calibrated piece that knew its scope and stayed inside it, and a look at nextstepnavigator maintained the same scope discipline, scope creep is one of the failure modes of long blog posts and this site has clearly invested in the editorial discipline to prevent it which shows up in tightly contained pieces.
Really like that the writer trusts the reader to follow simple logic without restating every previous point, and a stop at ideasunlockmotion kept that respect going, treating an audience as capable adults rather than as people who need constant hand holding makes a noticeable difference in the reading experience for me.
Just enjoyed the experience without needing to think about why, and a look at ideasunlockgrowth kept that effortless feeling going, sometimes the best content is invisible in the sense that you forget you are reading until you reach the end and realise time has passed without you noticing it pass naturally.
Quietly enjoying that I have found a new site to follow for the topic, and a look at claritycompanion reinforced the small pleasure of the find, the discovery of new high quality sources is one of the more durable pleasures of careful internet reading and this site has been generating that discovery pleasure at multiple points already today.
Bookmarked the page and the homepage too because clearly there is more to explore here, and a quick stop at ideasdrivevelocity only made that more obvious, this is the kind of place I want to dig through over a weekend rather than rushing through during a coffee break tomorrow morning before getting back to work.
Worth flagging this site to a few specific friends who would appreciate the editorial sensibility, and a look at heritagecapitalbond added more pages I will mention to them, recommending sites to specific people requires understanding both the site and the person and this site is making those personalised recommendations easy and natural for me.
Reading this slowly in the morning before opening email, and a stop at signaldrivesclarity extended that protected attention, content that earns the prime morning reading slot before the daily distractions begin is content with elevated status and this site has earned that prime slot consistently in my recent reading habits clearly.
Reading this gave me a small refresher on something I had partially forgotten, and a stop at strategyplanner extended the refresher, content that strengthens existing knowledge rather than just adding new is content with a particular kind of consolidating value and this site is providing that consolidating function across multiple visits.
Polished and informative without feeling overproduced, that is the sweet spot, and a look at clarityanchorsmotion hit it again, you can tell when a site has been built with care versus thrown together for the sake of having something to put online and this is clearly the former approach taken by the team.
Worth recognising that the post handled a familiar topic without reaching for any of the obvious hot takes, and a stop at progressmomentum continued that fresh treatment, sites that find new angles on subjects others have exhausted are sites worth following carefully and this one has clearly developed that exploratory instinct through patient practice.
Reading this on a phone at a coffee shop and finding it perfectly suited to that context, and a stop at progressmovesintelligently continued the comfortable mobile experience, content that works across reading conditions without compromising on substance is increasingly important and this site has clearly thought about the whole reader experience here.
Honestly this kind of writing is why I still bother to read independent sites, and a look at momentumbuildsforward extended that broader reflection, the few sites that justify continued attention to non algorithmic content are sites like this one and finding them periodically is enough to keep my reading habits oriented toward independent rather than aggregated content.
Just one of those reads that left me feeling slightly more capable rather than overwhelmed, and a look at strategicalliancelink kept that empowering feel going, the difference between content that builds the reader up and content that intimidates them is huge and this site clearly knows which side of that line to stand.
Reading this gave me a small sense of progress on a topic I have been slowly working through, and a stop at strongbusinessalliance added another step forward, learning happens in small increments across many sources and finding sources that consistently contribute is the actual practical value of careful curation in an information rich world.
This one is staying open in a tab for the rest of the day so I can come back and re read certain parts, and a look at forwardmomentumhub suggests I will be doing the same with a few more pages here too, this is going to be a deep dive over the coming hours.
Probably the best thing I have read on this topic in the past month, and a stop at forwardprogression extended that ranking, the casual ranking of recent reading is informal but real and this site has been winning those rankings for me on this topic specifically over the last several weeks of regular reading sessions.
Will recommend this to a couple of friends who have been asking about this exact topic, and after globalpartnerbond I have even more reason to do so, the kind of site that earns word of mouth rather than chasing it through aggressive marketing or paid placements is always a treat to find online.
Just sat with this for a bit longer than I usually would because the points are worth thinking about, and after progressmoveswithsignal I had even more to chew on, the kind of post that nudges your thinking forward without forcing the issue is something I have always appreciated in good writing online.
Found the section structure particularly thoughtful, and a stop at foundationalliancebond suggested the same care across the broader site, structural choices guide the reader through the material in ways most people do not consciously notice but feel the absence of when those choices are made carelessly or not at all.
During a quiet evening reading session this provided just the right depth without being heavy, and a stop at bondedpathway maintained the same evening appropriate weight, content with depth that does not exhaust the reader is content with editorial calibration and this site has clearly figured out how to be substantial without being demanding all the time.
Worth saying that this is one of the better things I have read on the topic in months, and a stop at actionmapping reinforced that ranking, the topic is well covered by many sources but few do it with this level of care and the few that do deserve to be flagged so other readers can find them.
Decided not to skim despite my usual habit and was rewarded for the discipline, and a stop at ideasintomotion earned the same patient approach, training myself to recognise sites that warrant slower reading is part of being a careful online reader and this site is the kind that helps me practice that skill regularly.
Picked this up while looking for something else and ended up reading every paragraph because it was actually informative, and after forwardmotionclarity I was sure I would come back, that does not happen often when most sites bury the useful parts under endless ads and pop ups today and across most categories online.
Now noticing how rare it is to find a site that does not feel rushed, and a look at legacytrustgroup extended that calm pace, content produced without time pressure has a different quality than content shipped to meet a deadline and this site reads as written without urgency which produces a different and better experience for readers.
Honest take is that this was better than I expected when I clicked through, and a look at intentionalmomentum reinforced that, the bar for online content has dropped so much that finding something thoughtful and well constructed feels almost noteworthy now which says more about the average than about this site itself.
Easy to recommend, the content speaks for itself without needing additional praise from me, and a stop at actionmatrix only adds more reasons to send people this way, the kind of generous resource that benefits its readers without demanding anything in return is increasingly rare and worth recognising clearly today across the broader open internet.
If a friend asked me where to read carefully on the topic I would send them here without hesitation, and a look at progressmovesnaturally confirmed the recommendation strength, the directness of my recommendation reflects how confident I am in the quality and this site has earned undiluted recommendations from me across multiple recent conversations actually.
The way the post stayed on topic throughout without going on tangents was really refreshing, and a look at focusvector kept that focused approach going, discipline like this in writing is rare and worth recognising because most writers cannot resist wandering off into related subjects that dilute their main point and confuse readers along the way.
Started thinking about my own writing differently after reading, and a look at ideaclarity continued that reflective effect, content that influences how I work rather than just informing what I know is content with the highest kind of impact and this site has triggered some of that reflective influence today on me.
Closed the tab feeling I had spent the time well, and a stop at directionactivatesprogress extended that feeling across more pages, the test of whether time on a site was well spent is one I apply silently after closing tabs and very few sites pass it but this one passed it cleanly today afternoon clearly.
Reading this in pieces over a coffee break and finding it consistently rewarding, and a stop at growthorientedbond extended that into related material I will return to later, the kind of site that fits naturally into small reading windows without requiring a long uninterrupted block is genuinely useful for how I actually browse.
Generally I find the content on similar topics frustrating in specific ways and this post avoided all of them, and a look at ideasflowwithintent continued that frustration free experience, content that sidesteps the standard failure modes of its genre is content with editorial awareness and this site has clearly studied what fails elsewhere consistently.
Well crafted post, the structure flows naturally from one point to the next without forcing transitions, and a stop at actioncreatesmomentumflow kept the same flow going, you can tell when a writer has thought about how their content reads rather than just what it contains and this is one of those examples.
Bookmark earned and the bookmark feels like a permanent addition rather than a maybe, and a look at progresswithclearintent confirmed that permanent status, the difference between durable bookmarks and ephemeral ones is something I have learned to feel quickly and this site triggered the durable feeling almost immediately during my first read here.
Excellent execution from start to finish, the post never loses its rhythm and the points stay sharp, and a quick stop at focusnavigationhub kept the same level going, consistency like this across a site is the marker of a serious operation rather than a casual side project running on autopilot somewhere else.
Bookmark added with a small mental note that this is a site to keep, and a look at corevaluealliance reinforced the keep status, the verb keep rather than visit captures something about how I think about this kind of site and it is a higher tier of relationship than I have with most places online today.
Reading this with my morning coffee turned into reading the related posts with my morning coffee, and a stop at growthflowsforwardcleanly stretched the morning further, content that pulls breakfast into a reading session rather than just accompanying it is content that has earned a higher claim on my attention than the average article does.
Bookmark earned, share earned, return visit earned, all from one reading session, and a look at strategicflow did the same, the trifecta of bookmark and share and return is rare in a single visit and represents the highest level of engagement I tend to offer any piece of online content these days here.