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 | | Builder's Block Crystal Lattice (Was Re: Chirality)
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| (...) I was contemplating the above, while I was sorting a bunch of these: (URL) So I made a couple of chiral bits: (URL) Which go together to form a roughly cubic shape and its enantiomer: (URL) Yet they also apear to be achiral if you orient them (...) (19 years ago, 26-Sep-05, to lugnet.build.schleim, lugnet.parts, lugnet.announce.moc, FTX)
| | | | | Re: It's here.
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| In lugnet.trains, Philippe Label wrote: (URL) (...) Look at the centre of the picture carefully. There's an old style white-coloured 9V battery box (8x4x2 studs) placed upside-down with the help of 2 1x2-1x4 brackets (note the grey strip adjecent (...) (19 years ago, 12-Sep-05, to lugnet.trains, lugnet.build.schleim, FTX)
| | | | | Re: Chirality
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| (...) Well, if you want to show the lone pair of electrons you could. (URL) is a link to a pdf. I didn't think that sending you a 385 kB e-mail message was sucha great idea:) I thought the model was a neat idea. Unfortunately, one of the reviewers (...) (19 years ago, 10-Sep-05, to lugnet.build.schleim, lugnet.parts, lugnet.edu)
| | | | | Re: Chirality
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| (...) Excellent Chris, what did you use for the bonds and what did you use for the atoms. And were you also able to show double covalent bonds. (which is something that would be hard to show) I would love to read the article if you want. I get so (...) (19 years ago, 9-Sep-05, to lugnet.build.schleim, lugnet.parts, lugnet.edu)
| | | | | Re: Chirality
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| (...) [snip] (...) Actually, you can model Lewis Structures* with LEGO too. I sent an article describing the LEGO-Lewis Model to the Journal of Chemical Education, but they rejected it :( A reviewer suggested that I re-write the "article" as an (...) (19 years ago, 9-Sep-05, to lugnet.build.schleim, lugnet.parts, lugnet.edu)
| | | | | Re: Chirality
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| (...) [snip] (...) Nah, you don't have to use a new piece (URL) [1] Chris 1. (URL) (19 years ago, 9-Sep-05, to lugnet.build.schleim, lugnet.parts)
| | | | | Re: Chirality
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| (...) And we would call them what..... Yes! Diastereomers :) (...) not to the pedantic (...) Chris (19 years ago, 9-Sep-05, to lugnet.build.schleim, lugnet.parts)
| | | | | Re: Chirality
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| Hey, Awesome post! Larry has a point with the text on the studs, but when I teach symmetry and chirality and talk about everyday objects I always put in the caveat "this baseball has such-and-such symmetry properties, igoring all imperfections and (...) (19 years ago, 9-Sep-05, to lugnet.build.schleim, lugnet.parts, FTX)
| | | | | Re: Chirality
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| (...) LOL! I'm a chemist in my day job, so I made (URL) this>, but I didn't tackle tetrahedral shapes. (URL) Professor Dean Campbell of Bradley University teaches (URL) chemistry with LEGO> and has some tetrahedral shapes, though they are pretty (...) (19 years ago, 9-Sep-05, to lugnet.build.schleim, lugnet.parts, FTX)
| | | | | Re: Chirality
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| (...) There are also some DNA models (chiral superstructure) in Brickshelf : (URL) (19 years ago, 9-Sep-05, to lugnet.build.schleim, lugnet.edu)
| | | | | Re: Chirality
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| (...) I find that animals and plants make some of the most interesting MOCs. There are families of plants whose leaves are chiral. There's one particular house plant that I can think of, but I can't remember its name. I think some types have leaves (...) (19 years ago, 8-Sep-05, to lugnet.build.schleim, lugnet.parts)
| | | | | Re: Chirality
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| (...) I will never look at my bricks the same.... what a great idea for a lesson plan, I have written it down to tell my sister (a secondary science teacher), I am a training early childhood so chirality isn't on the curriculum :(. Is there nothing (...) (19 years ago, 8-Sep-05, to lugnet.build.schleim, lugnet.parts)
| | | | | Re: It's here.
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| In lugnet.announce.moc, Samarth Moray wrote: ...snip... (URL) ...snip... (...) Hello Samarth, Thank you for this very nice model. I also have few questions to understand how you made it. I can see a 9V technic motor on the picture I left from your (...) (19 years ago, 8-Sep-05, to lugnet.trains, lugnet.build.schleim, FTX)
| | | | | Re: It's here.
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| Thats a great model on two levels. It looks great and has SO many innovative design solutions. I really like the way you did the curved grill in the roof (and the the small one at the other end too) The sideways chassis give a completely different (...) (19 years ago, 8-Sep-05, to lugnet.trains, lugnet.build.schleim, FTX)
| | | | | Re: Chirality
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| (...) snip (...) Your post reminds me of my painful memories of organic chemistry from university... Never thought it could be applicable to things other than molecules! :) -Bryan (19 years ago, 8-Sep-05, to lugnet.build.schleim, lugnet.parts)
| | | | | Re: Chirality
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| (...) Good stuff. Seems BrickWiki fodder! I would footnote that many paired parts are not TRULY enantiomers since the logos on the studs are not reversed. But that is a very unimportant footnote since they are functionally mirrored. (19 years ago, 8-Sep-05, to lugnet.build.schleim, lugnet.parts)
| | | | | Chirality
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| LEGO and chirality Chirality is the property of an object that can not be superimposed on its mirror image. Examples includes both natural (biological) object such hands and cultural (technical) object such screws. A non-chiral (achiral) object can (...) (19 years ago, 8-Sep-05, to lugnet.build.schleim, lugnet.parts) !
| | | | | Re: It's here.
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| (...) Sweet work Swami! Looking very good and a nice new train base idea. Glad you've got over your builders block in such fine fashion. Now if only you could compress it into six-wide it would be even better ;) Tim PS. S-lit (19 years ago, 8-Sep-05, to lugnet.trains, lugnet.build.schleim)
| | | | | It's here.
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| (URL) Deeplinks: (6 URLs) Full Gallery, post-mod: (URL) Well, it's been 5 months, and in the end, I got tired of trying to make a gearbox for this thing. The more I tried, the more frustruated I became, and as many over here have said, "If you're (...) (19 years ago, 8-Sep-05, to lugnet.announce.moc, lugnet.trains, lugnet.loc.in, lugnet.build.schleim, FTX) !!
| | | | | Take Two: Minifig-Scale Motorcycle
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| A new minifig-scale bike of mine. This isn't going to be turned to scrap for quite a while! It incorporates a variety of pieces and SNOT. Please visit the MOCpage for pics: (URL) Please post any comments! -Josh (19 years ago, 20-Aug-05, to lugnet.announce.moc, lugnet.build.schleim, FTX) !
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